Updated on June 2, 2025 by Nouran Ashraf
Finding the right sustainable protein powder can feel like navigating a complex puzzle. I’ve been there myself, testing countless options in search of products that align with both my fitness goals and environmental values.
Through extensive research and personal experimentation, I’ve discovered significant differences in how sustainable various protein powders truly are. Some stand out as genuine champions for the planet, while others may not live up to their eco-friendly marketing claims.
This practical guide will walk you through the best environmentally responsible protein options available in UK and Irish shops. Whether you’re a fitness enthusiast, a busy professional, or simply looking to boost your protein intake more sustainably, you’ll find straightforward advice to help make choices you can feel good about. Let’s explore how to add a greener protein boost to your daily routine!
Table of Contents
The Sustainable Protein Revolution
The protein supplement market has undergone a remarkable transformation in recent years, shifting from a singular focus on muscle-building efficacy to a broader consideration of environmental impact and ethical sourcing. This evolution reflects growing awareness among UK consumers about the planetary consequences of our dietary choices.
Traditional protein powders, particularly those derived from animal sources, often carry a significant ecological footprint due to land use, water consumption, and greenhouse gas emissions. However, a new wave of sustainable alternatives is changing the landscape, offering comparable nutritional benefits with a fraction of the environmental cost.
For British and Irish consumers, this shift comes at a pivotal time as we collectively reconsider our relationship with food and its impact on our precious countryside, from the rolling hills of the Lake District to the green expanses of County Kerry.
Understanding Protein Supplements
Before diving into sustainability, it’s important to establish a basic understanding of protein supplements and their role in our diets.
What Are Protein Supplements?
Protein supplements are a quick and easy way for me to fuel my body with essential nutrients, especially after a workout. They come in various forms like powders, shakes, and bars.
I’ve found them incredibly useful for meeting my daily protein intake without having to prepare a full meal. These supplements play a big part in muscle repair and growth, making them a staple in my fitness routine.
In the UK, protein supplements have become increasingly mainstream, moving beyond bodybuilding circles to everyday fitness enthusiasts, busy professionals, and those following specific dietary patterns like vegetarianism or veganism. According to recent market research, approximately 25% of UK adults use protein supplements regularly, with usage particularly high among the 18-34 age group.
Choosing eco-friendly protein powders has become important to me as I aim to make more environmentally conscious choices. Sustainable protein sources such as pea, soy, hemp, and even cricket powder offer health benefits while also reducing the carbon footprint associated with animal-based products like whey protein.
My journey towards finding sustainable nutrition supplements led me to discover how innovative the market has become, providing options that are not only good for my health but also kinder to the planet.
The Environmental Cost of Protein Production
The production of different protein sources varies dramatically in terms of environmental impact. Animal-derived proteins generally require more resources than plant-based alternatives. For instance:
- Whey protein (derived from milk) requires approximately 1,050 litres of water per 100g of protein
- Beef protein requires around 1,500 litres of water per 100g of protein
- Pea protein needs only about 100 litres of water per 100g of protein
- Hemp protein requires approximately 80 litres of water per 100g of protein
Beyond water usage, factors such as land use, greenhouse gas emissions, and biodiversity impact all contribute to the overall ecological footprint of protein production. As climate consciousness grows in the UK, where we’ve experienced increasing instances of extreme weather from flooding in Yorkshire to droughts in the Southeast, these considerations take on added significance.
Types of Sustainable Protein Powders
The market now offers a diverse range of sustainable protein options, each with unique environmental and nutritional profiles.
Plant-Based Champions
Let’s explore the leading contenders in the world of sustainable plant proteins, each offering unique benefits for both your body and the environment. These plant-based options have evolved tremendously in recent years, with improvements in taste, texture and nutritional profiles making them genuine alternatives to traditional animal-derived proteins. Among British consumers, plant proteins have seen a remarkable 18% growth year-on-year, reflecting our increasing awareness of both environmental and health considerations. The most impressive of these sustainable options begins with a humble legume that packs a powerful nutritional punch.
Pea Protein
Pea protein is gaining popularity as a sustainable protein option in the UK. It’s plant-based and offers a good amount of essential amino acids, particularly lysine. Pea protein is also allergen-free, making it suitable for those with food sensitivities or allergies.
Furthermore, pea cultivation requires less water and has a lower carbon footprint than the cultivation of some animal-based proteins. Yellow split peas, the primary source of pea protein, can be grown in British soil, and several UK farms are now producing this crop commercially.
When I switched to pea protein after years of using whey, I was pleasantly surprised by its mild flavour and smooth texture. Unlike some plant proteins that can be gritty or overwhelming in taste, quality pea protein blends well in smoothies and baking.
By opting for pea protein powder, you can make an eco-conscious choice while still meeting your nutritional needs. Look for UK-sourced varieties to further reduce the environmental footprint associated with transportation.
Hemp Protein
When considering sustainable protein options, hemp protein stands out as an eco-friendly choice. Hemp is not only a high-quality plant-based protein but also offers environmental benefits due to its minimal water and land requirements.
Hemp grows remarkably well in the British climate, requiring little in the way of pesticides or fertilisers. It’s a hardy plant that can be grown in rotation with food crops, helping to improve soil health and biodiversity. Several farms across the UK, particularly in East Anglia and the Southwest, have begun cultivating hemp as a sustainable crop.
Hemp protein’s nutritional profile is impressive, boasting essential amino acids and omega-3 fatty acids that contribute to heart health. Its versatile nature makes it suitable for various dietary preferences, including vegan and gluten-free diets.
As food lovers seeking environmentally conscious alternatives in the realm of sustainable protein powders, hemp protein aligns with both ethical and sustainability values while offering a nutritious addition to our daily routines.
Soy Protein
Soy protein is a popular sustainable option, delivering essential amino acids. It’s derived from soybeans, making it plant-based and suitable for vegans. Soy protein is environmentally friendly, with 5-10 times less greenhouse gas emissions than whey production.
Additionally, it requires less land and water to produce compared to animal-based proteins like whey.
While soybeans are not widely grown in the UK due to our climate, European-sourced soy minimises transportation impacts compared to varieties shipped from South America or Asia. When choosing soy protein, look for non-GMO certification and products that can trace their supply chain to ensure they’re not contributing to deforestation.
Soy protein isolate is a key ingredient in many eco-conscious protein powders. It’s rich in leucine and has been linked with muscle growth benefits similar to those of whey protein.
Moreover, soy protein offers heart-healthy omega-3 fatty acids without the cholesterol found in animal proteins. These qualities make soy a standout choice for sustainability-minded food lovers looking for clean and effective natural protein supplements.
Innovative Alternatives
Beyond traditional plant sources, the sustainable protein landscape has expanded to include some truly groundbreaking alternatives that challenge our conventional thinking about protein production. These innovative options represent the cutting edge of food science and sustainability, often delivering impressive nutritional profiles with remarkably low environmental footprints. While some may initially seem unusual to British consumers accustomed to traditional protein sources, their ecological credentials make them worth serious consideration. Perhaps the most surprising of these forward-thinking protein solutions comes from a source that billions of people worldwide already consume, though it remains relatively novel in the UK market.
Cricket Protein
When it comes to sustainable protein powders, cricket protein is emerging as an eco-friendly and nutritious option in the UK market. Cricket powder is high in protein, vitamins, and minerals, making it a popular choice for health-conscious individuals.
Contrary to what you might think, cricket farming has a significantly lower environmental impact compared to traditional livestock farming. Crickets require just 2% of the land and 4% of the water needed to produce an equivalent amount of beef protein, while generating 80 times less methane. Several British companies have begun farming crickets specifically for protein production, using vertical farming techniques that maximise output while minimising land use.
Many British consumers feel hesitant about consuming insects, despite their popularity in many global cuisines. However, in my experience, cricket protein powder has a pleasantly mild, slightly nutty flavour that blends easily into smoothies or baked goods without any overwhelming insect taste.
Furthermore, cricket protein offers a complete source of essential amino acids. It provides a range of nutrients such as iron, calcium, B12 vitamins, and omega-3 fatty acids. With the rising demand for sustainable food options amongst busy foodies, inclining towards this eco-friendly protein source can contribute positively towards our environment while supporting our nutritional needs.
Collagen Protein
Collagen protein, derived from animal connective tissues like bones and skin, is gaining popularity as a sustainable protein source. This type of protein contains essential amino acids necessary for joint health and improving skin elasticity.
I was surprised to learn that collagen also contributes to sustainable practices in the meat industry by utilising more parts of the animal instead of wasting them, aligning with eco-conscious food choices. This “nose-to-tail” approach has deep roots in British culinary tradition but had fallen out of fashion until recent sustainability concerns brought it back to the forefront.
In the UK, look for collagen from grass-fed, free-range animals raised on British farms to ensure the highest ethical standards and lowest transportation footprint. Several British brands now offer collagen powders sourced from UK farms with transparent supply chains.
Collagen’s versatility allows it to be easily integrated into various recipes such as smoothies or baked goods, making it an adaptable choice for those seeking environmentally-friendly and ethical protein options.
Brands are now offering marine collagen sourced from fish scales that would otherwise be discarded – contributing towards waste reduction efforts. This approach supports the British fishing industry while addressing the significant waste issue in seafood processing.
Blended Protein Products
While individual protein sources each offer distinct advantages, many consumers are discovering the benefits of products that combine multiple sustainable proteins into a single formula. These thoughtfully crafted combinations represent the next evolution in protein supplementation, drawing on the unique strengths of various plant and alternative sources. Blended products often deliver superior amino acid profiles, improved digestibility, and more pleasant taste experiences compared to single-source options. The science of protein complementation has advanced significantly, with UK manufacturers developing sophisticated formulations that maximise both nutritional value and environmental credentials. The most common and effective of these hybrid approaches brings together various plant proteins to create truly complete nutritional profiles.
Plant Protein Blends
After exploring individual protein sources, let’s delve into the world of plant protein blends. These combinations of different plant proteins are designed to provide a complete amino acid profile while maximising sustainability benefits.
Common blends available in UK shops combine pea protein with rice protein or hemp, creating a nutritional profile similar to animal proteins but with a fraction of the environmental impact. These blends often include additional ingredients like flaxseeds or chia to boost the omega-3 content, further enhancing their nutritional value.
The eco-conscious foodie in me is always seeking more than just a nutritious source of protein—it’s about making environmentally responsible choices too. When comparing different types of protein powder, it’s important to consider the sustainability aspect alongside nutritional value and taste.
Plant-based protein blends are among the environmentally conscious options that are gaining popularity amongst food lovers who aim to make Earth-friendly choices when it comes to their diet. British brands like Form, The Protein Works, and Vivo Life offer excellent plant-based blends specifically formulated for the UK market.
Environmental Impact Comparison
To make informed choices, it’s useful to understand the relative environmental impact of different protein sources.
Carbon Footprint
The carbon footprint of protein powders varies significantly based on their source:
| Protein Type | CO₂ Equivalent (kg per kg of protein) |
|---|---|
| Beef Protein | 45-640 kg |
| Whey Protein | 28-43 kg |
| Egg Protein | 15-20 kg |
| Soy Protein | 2-6 kg |
| Pea Protein | 1-2 kg |
| Cricket Protein | 1-2 kg |
| Hemp Protein | 0.5-1.5 kg |
These figures include emissions from farming, processing, packaging, and average transportation distances for products sold in the UK.
Water Usage
Water scarcity is an increasing concern globally and even in the traditionally rainy UK, where droughts are becoming more common in certain regions. The water footprint of protein sources includes both the water used to grow feed or crops and that used in processing:
| Protein Type | Water Usage (litres per kg of protein) |
|---|---|
| Beef Protein | 15,400+ litres |
| Whey Protein | 8,000-10,000 litres |
| Egg Protein | 3,300-5,700 litres |
| Soy Protein | 2,000-2,500 litres |
| Pea Protein | 800-1,000 litres |
| Cricket Protein | 200-500 litres |
| Hemp Protein | 500-800 litres |
Land Use Efficiency
Land use is another critical factor, particularly in the UK, where agricultural space is at a premium:
| Protein Type | Land Use (m² per kg of protein) |
|---|---|
| Beef Protein | 140-420 m² |
| Whey Protein | 15-27 m² |
| Egg Protein | 13-15 m² |
| Soy Protein | 2-8 m² |
| Pea Protein | 3-4 m² |
| Cricket Protein | <1 m² |
| Hemp Protein | 2-3 m² |
These comparisons make it clear that plant-based and insect proteins generally have a significantly lower environmental impact than animal-derived options.
Factors to Consider When Choosing a Sustainable Protein Powder
Beyond the basic protein source, several factors contribute to a product’s overall sustainability profile.
Source of the Protein
The source of the protein in sustainable powders greatly impacts their environmental impact. Plant-based proteins like pea and soy are derived from crops, reducing reliance on animal agriculture while offering eco-friendly alternatives.
Whey protein, although popular, is associated with emissions related to its production and distribution. Considering this crucial information when selecting a protein powder can help make environmentally conscious choices.
When possible, look for protein sources that are grown or produced locally in the UK or nearby European countries to reduce transportation emissions. Some British brands now specify the origin of their protein sources, allowing consumers to make more informed choices.
When it comes to choosing sustainable protein powders, understanding the source of the protein is vital for making informed decisions. Selecting eco-conscious options such as plant-based proteins not only promotes ethical food choices but also contributes to reducing carbon footprints associated with traditional animal-derived proteins.
By considering the source of the protein—whether it’s from plants or animals—we can actively support environmentally responsible practices within the food industry.
Processing Methods
When choosing a sustainable protein powder, it’s vital to consider the processing methods used to produce it. The source of the protein is crucial, but so too are the manufacturing processes.
From extraction and refinement to drying and packaging, each stage impacts its sustainability. Some companies use energy-efficient methods that minimise waste and emissions throughout production. For example, cold-pressing techniques use less energy than heat-intensive processing methods, and water used in processing can be recycled rather than discharged.
Look for brands that use renewable energy in their production facilities or that have carbon offset programs to mitigate their manufacturing footprint. Several UK-based protein manufacturers have invested in solar panels or wind turbines to power their operations, significantly reducing their carbon emissions.
Selecting a protein powder with eco-friendly processing methods helps reduce its carbon footprint. For example, soy protein isolate is often produced using sustainable extraction techniques that have a lower environmental impact compared to traditional methods.
Additionally, opting for powders processed using renewable energy sources can further enhance their eco-friendliness while supporting sustainability efforts.
Packaging and Waste Reduction
Packaging and waste reduction play a vital role in choosing sustainable protein powders. Opting for products with minimal packaging can significantly reduce waste. Eco-friendly protein powders are often available in recyclable or compostable packaging, contributing to environmental conservation.
In the UK, look for packaging made from recycled materials or innovative alternatives like compostable plant-based plastics. Some forward-thinking British companies now offer protein powders in home-compostable pouches or cardboard containers with minimal plastic content.
By selecting brands dedicated to reducing their carbon footprint through sustainable packaging, we can make a positive impact on the environment while enjoying our favourite protein supplements.
Furthermore, considering the lifecycle of product packaging is crucial. Investing in eco-conscious protein options that utilise biodegradable materials lessens the burden on landfills and marine ecosystems.
With responsible protein powder selection, we contribute to a cleaner planet and a healthier future for generations to come. It’s important to remember that our choices today shape the world of tomorrow, and opting for environmentally conscious protein powders is just one step towards creating lasting change.
As an advocate for sustainable living and a lover of health foods, I have personally noticed the difference small changes like choosing eco-friendly protein options can make in reducing my household’s waste output. When I switched to a brand using compostable packaging, I eliminated approximately 12 plastic tubs annually from my waste stream—a small but meaningful contribution.
Company Values and Sustainability Efforts
As I seek to find a sustainable protein powder, it’s crucial for me to look into the company values and sustainability efforts. I’ll consider brands that prioritise eco-friendly practices and ethical sourcing of ingredients.
In the UK market, transparency is key. Look for companies that openly share their sustainability goals and progress, publishing annual impact reports or clear information about their supply chain and manufacturing processes. British and Irish consumers increasingly expect this level of transparency from the brands they support.
It’s important to choose companies committed to reducing their carbon footprint, using renewable energy in production, and minimising waste in packaging and distribution. Additionally, ensuring transparency in their supply chain and supporting fair trade practices are key factors that align with my values as an environmentally conscious consumer.
Considering the impact of my choices on the environment is vital when choosing a sustainable protein powder. Brands that actively contribute to environmental conservation, support organic farming methods, and invest in community development initiatives through their business operations will be at the top of my list.
It matters to me that the brand I choose not only provides high-quality products but also cares about the planet and the communities where its ingredients are sourced from.
Nutritional Considerations
While sustainability is a priority, nutritional quality remains essential when selecting a protein powder.
Role of Leucine in Muscle Growth
Leucine is a vital amino acid found in protein powders that plays a crucial role in muscle growth. This essential nutrient acts as a trigger, stimulating muscle protein synthesis and aiding in the repair of muscle tissue after exercise.
It’s important to note that leucine is not only beneficial for athletes but also for individuals looking to maintain or improve their muscle mass as they age. Incorporating protein powders rich in leucine into my diet has been pivotal in supporting my fitness journey, enabling me to achieve my performance and physique goals efficiently.
While whey protein is naturally high in leucine, plant-based options often contain less. However, many sustainable protein powders now boost their leucine content through careful formulation or by combining complementary plant proteins. For instance, rice protein is relatively high in leucine compared to other plant sources.
As I navigated through the complexities of choosing sustainable protein powders, I realised the significance of leucine in enhancing both athletic performance and overall well-being.
By selecting environmentally-friendly protein supplements with adequate levels of leucine, such as specially formulated plant-based blends, I’ve been able to support optimal muscle growth while making ethically responsible choices that align with my values and sustainability efforts.
Other Important Nutrients to Consider
When choosing a sustainable protein powder, it’s essential to consider other key nutrients that contribute to overall health. In addition to protein, vitamins and minerals such as calcium, iron, and B vitamins play vital roles in supporting energy levels, muscle function, and overall well-being.
These nutrients are often found in plant-based protein powders like pea protein and soy protein, making them excellent choices for those seeking a well-rounded nutritional boost from their supplements.
Many UK-formulated protein blends now include specific nutrient fortifications to address common deficiencies in the British diet. For example, vitamin D (often lacking due to our northern latitude and limited sunshine) and iron (particularly important for women and those on plant-based diets) are frequently added to premium protein formulations.
Also worth noting is the inclusion of healthy fats and fibre in some plant-based options, providing additional benefits for heart health and digestion. Hemp protein, in particular, offers an excellent balance of protein, fibre, and essential fatty acids, making it a nutritionally comprehensive choice.
Moreover, omega-3 fatty acids are another crucial nutrient to consider when selecting a sustainable protein powder. These essential fats support brain health, reduce inflammation, and contribute to overall heart health.
Plant-based sources like hemp protein can be rich in omega-3s while also offering an eco-friendly alternative to traditional animal-derived proteins. By prioritising these important nutrients alongside the sustainability of the protein source itself, we can make informed decisions that benefit both our bodies and the environment.
UK & Irish Brands Leading the Way
Several homegrown companies are setting the standard for sustainable protein production.
Form Nutrition
Form has established itself as a leader in the UK’s sustainable protein market, offering plant-based protein powders in compostable packaging. Their products are 100% plastic-free and carbon-negative, with the company offsetting twice the carbon emissions produced in manufacturing.
Form’s proteins are a blend of pea, brown rice, and hemp, providing a complete amino acid profile while maintaining environmental credentials. They’re also B Corp certified, demonstrating their commitment to social and environmental performance.
Pulsin
Based in Gloucestershire, Pulsin creates sustainably sourced protein powders using pea, rice, and hemp proteins. They focus on minimal processing and use renewable energy in their production facility.
Pulsin’s commitment to local sourcing, where possible, reduces transportation emissions, while their packaging uses recycled materials and is fully recyclable.
Vivo Life
Vivo Life offers plant-based protein powders that are not only environmentally conscious but also performance-focused. Their PERFORM range combines pea and hemp proteins with turmeric for anti-inflammatory benefits.
The company runs on 100% renewable energy and plants trees to offset their carbon emissions. Their packaging is transitioning to home-compostable materials, demonstrating their ongoing commitment to reducing environmental impact.
Certifications to Look For
When shopping for sustainable protein powders in the UK and Ireland, these certifications provide assurance of environmental and ethical standards:
- Soil Association Organic: Ensures ingredients are grown without synthetic pesticides and fertilisers
- The Vegan Society: Verifies products are free from animal ingredients
- B Corporation: Certifies companies meeting high standards of social and environmental performance
- Carbon Trust: Indicates products with reduced carbon footprints
- Plastic-Free: Guarantees that the packaging contains no plastic materials
- Fair Trade: Ensures ethical treatment of workers in the supply chain
Making the Switch: Practical Tips
Transitioning to more sustainable protein options can be straightforward with these practical approaches.
Gradual Transition Strategies
If you’re used to traditional whey or casein proteins, switching immediately to plant-based alternatives might be jarring. Instead, try these transition strategies:
- Start with blends: Begin with protein powders that combine whey with plant proteins to ease the transition
- Mix your own: Add a small amount of plant protein to your regular shake, gradually increasing the ratio
- Try different applications: Some sustainable proteins work better in smoothies, others in baking or cooking
- Sample sizes: Many UK companies offer sample packets or starter kits to try before committing to a full container
In my experience, taste and texture are the biggest barriers to switching to sustainable proteins. I found that blending plant proteins with frozen banana, a tablespoon of nut butter, and a dash of cinnamon helps mask any unfamiliar flavours while creating a creamy texture.
Budget-Friendly Approaches
Sustainable protein powders can sometimes carry a premium price, but these strategies can help manage costs:
- Bulk purchasing: Many companies offer discounts for larger quantities or subscription services
- Sales and promotions: Follow brands on social media for special offers and discount codes
- Direct purchasing: Buying directly from manufacturers often eliminates retail markup
- Multipurpose options: Choose proteins that can be used in cooking and baking as well as shakes to maximise utility
Remember that not all of your protein needs to come from supplements. Incorporating whole food protein sources like lentils, beans, tofu, and tempeh alongside modest amounts of high-quality protein powder can be both economically and environmentally sustainable.
Integration into Daily Nutrition
Sustainable protein powders can be incorporated into your diet in numerous ways beyond the standard post-workout shake:
- Add to porridge or overnight oats for a protein-boosted breakfast
- Mix into homemade energy balls or protein bars
- Blend into soups or stews as a thickener with nutritional benefits
- Incorporate into pancake or waffle batter
- Use in homemade bread or pizza dough for extra protein
These various applications can help you enjoy the benefits of sustainable protein throughout the day while keeping your diet interesting and varied.
Conclusion
Choosing sustainable protein powders involves considering the source, processing methods, packaging, and company values. Identifying eco-friendly options like pea, hemp, soy, or plant-based blends is pivotal for minimising your environmental footprint while meeting nutritional needs.
The UK market offers a growing range of sustainable protein options that don’t compromise on quality or performance. By making informed choices, we can support companies pioneering more environmentally responsible production methods while still achieving our personal health and fitness goals.
Additionally, prioritising key nutrients such as leucine is essential for muscle growth and overall health. By being mindful of these factors when selecting protein supplements, we contribute to a more sustainable food industry while meeting our individual nutrition needs.
Remember that every purchase is a vote for the kind of world we want to live in. By choosing sustainable protein powders, you’re supporting a future where nutritional products work in harmony with planetary health.
FAQs
How do I find sustainable protein sources for my shakes in the UK?
I look for plant-based protein powders from UK brands like Form, Pulsin, or Vivo Life since they are more eco-friendly and provide clean protein options. Checking for certifications such as Soil Association Organic or B Corporation helps me select environmentally friendly protein supplements that meet high sustainability standards.
What makes a protein powder truly sustainable?
A sustainable protein powder is one that comes from ethical protein powder choices, like those using earth-friendly practices in their production and sourcing. Key factors include low water and land use, minimal processing energy, recyclable or compostable packaging, and transparent supply chains. In the UK, truly sustainable options often source ingredients from European farms to reduce transportation emissions.
Are plant-based proteins as effective as whey for muscle building?
Yes, plant-based proteins can be equally effective when properly formulated. Look for blends that provide a complete amino acid profile and adequate leucine content (2-3g per serving). Research from the University of Exeter showed that pea protein matched whey for muscle synthesis when leucine levels were equivalent. For optimal results, ensure you’re consuming enough total protein throughout the day.
Can sustainable protein powders help with weight management?
Absolutely. Sustainable plant proteins like pea and hemp are often higher in fibre than whey protein, helping you feel fuller for longer. Many also have a lower calorie density while providing the protein needed to maintain muscle mass during weight loss. For best results, combine your sustainable protein supplement with a balanced diet and regular exercise.
How do different protein powders compare in terms of carbon footprint?
Plant-based proteins like pea, hemp, and soy typically have a carbon footprint 5-20 times lower than animal-derived proteins like whey or beef. For example, pea protein produces approximately 4kg of CO₂ per kilogram of protein compared to up to 45kg for whey protein. Cricket protein offers another low-carbon alternative at about 2kg of CO₂ per kilogram of protein, though it may not suit vegetarian or vegan diets.
Share with our social media
