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Best Soy Isolate Protein Powder Unflavoured 1kg of 2026
Last updated on 04/04/2026
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1
PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
PINK SUN
Why we love it
Premium quality ensures exceptional results.
Suitable for many diets.
Ultra-filtered for pure protein.
Main Highlights
Premium quality, SOY FREE, undenatured whey protein isolate powder 1kg
From grass-fed hormone-free cows' milk with 92% protein
Ultra-filtered to remove carbohydrate, fat and lactose
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets
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9.8
Exceptional
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9.8
Exceptional
PINK SUN
PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
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Why we love it
Premium quality ensures exceptional results.
Suitable for many diets.
Ultra-filtered for pure protein.
Main Highlights
Premium quality, SOY FREE, undenatured whey protein isolate powder 1kg
From grass-fed hormone-free cows' milk with 92% protein
Ultra-filtered to remove carbohydrate, fat and lactose
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets
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Value for Money
2
Myprotein Impact Whey Protein Powder | Unflavoured - 1 kg | 23 g Whey Protein Per Serving with BCAAs | Builds Lean Muscle, Speeds Recovery | Low Fat & Carbs | Vegetarian | Trusted by Athletes
Myprotein
Why we love it
Impressive protein value per serving.
Low calories count.
Abundance of flavors choices.
Main Highlights
EVERYDAY PROTEIN - Premium whey packed with 21g of protein per serving, for the everyday protein you need from a quality source. Can be used by both men and women, perfect for everyone, whatever your fitness goals
VARIETY OF FLAVOURS - Get yours in over 40, indulgent, mouth-watering flavours, including some delicious favourites such as Chocolate, Vanilla, and Strawberry Cream. If you prefer a more natural taste, weβve got a range of stevia flavoured options too!
EASY TO USE - Itβs fast absorbing, so we recommend adding 1 large scoop (25g) to 150-250ml of water or milk 30-60 minutes post-workout β but itβs ideal any time for a convenient way to get the protein you need
LOW IN SUGAR AND FAT - Vegetarian friendly with just 1.9g of fat, 1g of carbs, and at just 103 calories per serving, our Impact Whey Protein makes the perfect shake for everyone
QUALITY ASSURANCE - Thereβs simply not another protein powder out there that delivers the same outstanding quality and value. And thatβs because at MyProtein, our products are created in our own state-of-the-art production facility. Our popular Impact Whey Protein provides over 80% protein per serving, so you can be assured of its quality
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9.7
Exceptional
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9.7
Exceptional
Myprotein
Myprotein Impact Whey Protein Powder | Unflavoured - 1 kg | 23 g Whey Protein Per Serving with BCAAs | Builds Lean Muscle, Speeds Recovery | Low Fat & Carbs | Vegetarian | Trusted by Athletes
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Show More
Why we love it
Impressive protein value per serving.
Low calories count.
Abundance of flavors choices.
Main Highlights
EVERYDAY PROTEIN - Premium whey packed with 21g of protein per serving, for the everyday protein you need from a quality source. Can be used by both men and women, perfect for everyone, whatever your fitness goals
VARIETY OF FLAVOURS - Get yours in over 40, indulgent, mouth-watering flavours, including some delicious favourites such as Chocolate, Vanilla, and Strawberry Cream. If you prefer a more natural taste, weβve got a range of stevia flavoured options too!
EASY TO USE - Itβs fast absorbing, so we recommend adding 1 large scoop (25g) to 150-250ml of water or milk 30-60 minutes post-workout β but itβs ideal any time for a convenient way to get the protein you need
LOW IN SUGAR AND FAT - Vegetarian friendly with just 1.9g of fat, 1g of carbs, and at just 103 calories per serving, our Impact Whey Protein makes the perfect shake for everyone
QUALITY ASSURANCE - Thereβs simply not another protein powder out there that delivers the same outstanding quality and value. And thatβs because at MyProtein, our products are created in our own state-of-the-art production facility. Our popular Impact Whey Protein provides over 80% protein per serving, so you can be assured of its quality
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3
Soy Protein Isolate 5kg (Unflavoured) - 90% Protein | Vegan | Dairy Free | Plant Based
Peak Supps
Why we love it
Purest form of soy protein.
Low fats and carbohydrates.
No unnecessary additives.
Main Highlights
Soy protein isolate is the most pure soy protein available with over 90% protein content and a great amino acid profile
Low in carbohydrates and less than 1% Fats. (May slightly vary with batch.
Over 90% protein content with great amino acid profile.
No added sugar, additives, colourings or flavourings.
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9.7
Exceptional
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9.7
Exceptional
Peak Supps
Soy Protein Isolate 5kg (Unflavoured) - 90% Protein | Vegan | Dairy Free | Plant Based
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Why we love it
Purest form of soy protein.
Low fats and carbohydrates.
No unnecessary additives.
Main Highlights
Soy protein isolate is the most pure soy protein available with over 90% protein content and a great amino acid profile
Low in carbohydrates and less than 1% Fats. (May slightly vary with batch.
Over 90% protein content with great amino acid profile.
No added sugar, additives, colourings or flavourings.
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4
Boho Unflavoured Organic Vegan Protein Powder Blend (1kg - 57 Servings) Plain & Unsweetened, Organic Plant Based Protein, Dairy Free, Gluten Free, Lactose Free, Pea, Plant Protein Powder
Boho
Why we love it
Pure plant-based protein blend.
Unsweetened and organic goodness.
High nutritional value.
Main Highlights
UNFLAVOURED: But NOT "flavourless"... its made from plant protein so has a "planty" vibe. Its certainly smoother and nicer than pea protein powder, rice protein powder or soy protein powder alone!
NO ADDITIVES: Our unflavoured protein powder is free from sweeteners, flavorings, dairy, gluten, gums, stevia, sucralose and more. Pure, simple ingredients for a clean, straightforward boost to your health and wellness routine!
ORGANIC & VEGAN: Our plant based diet protein powder is vegan certified to ensure purity and plant-powered goodness in every scoop. Clean plant protein powder that fuels your body and respects the earth!
MULTISOURCE PROTEIN: A specially crafted blend combining pea protein powder with pumpkin, sunflower, flax, and chia proteins. Enjoy a balanced taste and all 20 essential amino acids your body needs for optimal vitality!
VERSATILE: Perfect for smoothies & baking, or simply shake it with water or plant milk for a natural "planty" taste! Ideal for any diet, our protein powder vegan adapts to your culinary needs while providing great nutrition.
SMART NUTRITION: Lean Protein Powder for clean nutrition with organic protein to keep you fueled with essential nutrients for peak performance every day.
NATURAL FUEL : A cleaner, more sustainable alternative to diet whey protein powder, this plant-based formula delivers pure, natural nourishment without artificial additives, sweeteners, or fillers. Unlike traditional whey isolate protein powder, it is sourced from high-quality ingredients, it ensures better digestibility and a balanced nutritional profile, supporting your health and fitness goals.
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9.5
Superb
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9.5
Superb
Boho
Boho Unflavoured Organic Vegan Protein Powder Blend (1kg - 57 Servings) Plain & Unsweetened, Organic Plant Based Protein, Dairy Free, Gluten Free, Lactose Free, Pea, Plant Protein Powder
Check Price
Show More
Why we love it
Pure plant-based protein blend.
Unsweetened and organic goodness.
High nutritional value.
Main Highlights
UNFLAVOURED: But NOT "flavourless"... its made from plant protein so has a "planty" vibe. Its certainly smoother and nicer than pea protein powder, rice protein powder or soy protein powder alone!
NO ADDITIVES: Our unflavoured protein powder is free from sweeteners, flavorings, dairy, gluten, gums, stevia, sucralose and more. Pure, simple ingredients for a clean, straightforward boost to your health and wellness routine!
ORGANIC & VEGAN: Our plant based diet protein powder is vegan certified to ensure purity and plant-powered goodness in every scoop. Clean plant protein powder that fuels your body and respects the earth!
MULTISOURCE PROTEIN: A specially crafted blend combining pea protein powder with pumpkin, sunflower, flax, and chia proteins. Enjoy a balanced taste and all 20 essential amino acids your body needs for optimal vitality!
VERSATILE: Perfect for smoothies & baking, or simply shake it with water or plant milk for a natural "planty" taste! Ideal for any diet, our protein powder vegan adapts to your culinary needs while providing great nutrition.
SMART NUTRITION: Lean Protein Powder for clean nutrition with organic protein to keep you fueled with essential nutrients for peak performance every day.
NATURAL FUEL : A cleaner, more sustainable alternative to diet whey protein powder, this plant-based formula delivers pure, natural nourishment without artificial additives, sweeteners, or fillers. Unlike traditional whey isolate protein powder, it is sourced from high-quality ingredients, it ensures better digestibility and a balanced nutritional profile, supporting your health and fitness goals.
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5
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Unflavoured, 1 kg
Bulk
Why we love it
Ideal for vegan training diet.
Low sugar, low fat shake.
Delicious plant protein power.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
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9.3
Superb
Check Price
9.3
Superb
Bulk
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Unflavoured, 1 kg
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Show More
Why we love it
Ideal for vegan training diet.
Low sugar, low fat shake.
Delicious plant protein power.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
Show More
6
SOYA Protein Isolate (90% Protein) 1kg by Hatton Hill, Unflavoured, Vegan Protein Shake
Hatton Hill
Why we love it
High protein content for diets.
Supports muscle building, repair.
Versatile in various recipes.
Main Highlights
High Protein Content: Soy Protein Isolate contains around 90% protein by weight, making it a concentrated source of essential amino acids. This high protein content makes it a popular choice for individuals looking to supplement their protein intake, particularly in vegetarian or vegan diets where alternative protein sources are sought.
Muscle Building and Recovery: Due to its rich amino acid profile, Soy Protein Isolate is considered a complete protein, providing all the essential amino acids the body needs. This makes it effective in supporting muscle building, repair, and recovery, making it a valuable option for athletes, fitness enthusiasts, and those engaging in regular physical activity.
Versatile Applications: Soy Protein Isolate is a versatile ingredient used in a variety of food and beverage applications. It can be found in protein bars, shakes, meat alternatives, dairy-free products, and various processed foods. Its neutral taste and fine texture make it easy to incorporate into a wide range of recipes, enhancing the nutritional profile of the end products.
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9.1
Superb
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9.1
Superb
Hatton Hill
SOYA Protein Isolate (90% Protein) 1kg by Hatton Hill, Unflavoured, Vegan Protein Shake
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Show More
Why we love it
High protein content for diets.
Supports muscle building, repair.
Versatile in various recipes.
Main Highlights
High Protein Content: Soy Protein Isolate contains around 90% protein by weight, making it a concentrated source of essential amino acids. This high protein content makes it a popular choice for individuals looking to supplement their protein intake, particularly in vegetarian or vegan diets where alternative protein sources are sought.
Muscle Building and Recovery: Due to its rich amino acid profile, Soy Protein Isolate is considered a complete protein, providing all the essential amino acids the body needs. This makes it effective in supporting muscle building, repair, and recovery, making it a valuable option for athletes, fitness enthusiasts, and those engaging in regular physical activity.
Versatile Applications: Soy Protein Isolate is a versatile ingredient used in a variety of food and beverage applications. It can be found in protein bars, shakes, meat alternatives, dairy-free products, and various processed foods. Its neutral taste and fine texture make it easy to incorporate into a wide range of recipes, enhancing the nutritional profile of the end products.
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7
Protein Works | Vegan Soy Protein - Black Innovation, Premium Soy Protein Isolate, Low Fat, No Added Sugar, 27g Protein, 100% Plant-Based Nutrition, Unflavoured, 33 Servings, 1kg
Protein Works
Why we love it
Plant-based and allergen-friendly.
Packed with essential amino acids.
Creamy texture, high protein.
Main Highlights
FINEST SOY BEANS: Our premium Vegan Soy Protein - BLACK (previously known as Vegan Soy Protein) has been specifically engineered using only the finest soy beans. The beans are put through a dehulling process to extract only the finest quality protein, with very low carbohydrates, sugar, and fats.
AMINO ACID PROFILE: Soy protein is the closest of the vegetable proteins that most resembles the amino acid profile of dairy protein, such as milk.
100% PLANT-BASED: Even though it has primarily designed with vegans and vegetarians in mind, Vegan Soy Protein is suitable for everyone. If youβre looking for a high protein, low carbohydrate, and delicious tasting 100% plant based protein shake, then Vegan Soy Protein - BLACK is an excellent choice.
HIGH IN PROTEIN, LOW IN FAT: Vegan Soy Protein - BLACK has up to 27g of protein per 30g serving, under 115 calories, and close to zero sugar or fat. Soy Protein is incredibly good for you and works well with almost any lifestyle. As soy protein is rich in these important nutritional elements, you know with confidence that you're only putting quality ingredients into your body.
LOW IN CALORIES: Under 115 calories per shake and contains no added sugar. (Packaging and name may vary)
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9.0
Superb
Check Price
9.0
Superb
Protein Works
Protein Works | Vegan Soy Protein - Black Innovation, Premium Soy Protein Isolate, Low Fat, No Added Sugar, 27g Protein, 100% Plant-Based Nutrition, Unflavoured, 33 Servings, 1kg
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Show More
Why we love it
Plant-based and allergen-friendly.
Packed with essential amino acids.
Creamy texture, high protein.
Main Highlights
FINEST SOY BEANS: Our premium Vegan Soy Protein - BLACK (previously known as Vegan Soy Protein) has been specifically engineered using only the finest soy beans. The beans are put through a dehulling process to extract only the finest quality protein, with very low carbohydrates, sugar, and fats.
AMINO ACID PROFILE: Soy protein is the closest of the vegetable proteins that most resembles the amino acid profile of dairy protein, such as milk.
100% PLANT-BASED: Even though it has primarily designed with vegans and vegetarians in mind, Vegan Soy Protein is suitable for everyone. If youβre looking for a high protein, low carbohydrate, and delicious tasting 100% plant based protein shake, then Vegan Soy Protein - BLACK is an excellent choice.
HIGH IN PROTEIN, LOW IN FAT: Vegan Soy Protein - BLACK has up to 27g of protein per 30g serving, under 115 calories, and close to zero sugar or fat. Soy Protein is incredibly good for you and works well with almost any lifestyle. As soy protein is rich in these important nutritional elements, you know with confidence that you're only putting quality ingredients into your body.
LOW IN CALORIES: Under 115 calories per shake and contains no added sugar. (Packaging and name may vary)
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8
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Vanilla, 1 kg
Bulk
Why we love it
Deliciously creamy and low sugar.
High protein, vegan-friendly shake.
Perfect training partner flavors.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
Show More
9.0
Superb
Check Price
9.0
Superb
Bulk
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Vanilla, 1 kg
Check Price
Show More
Why we love it
Deliciously creamy and low sugar.
High protein, vegan-friendly shake.
Perfect training partner flavors.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
Show More
9
Pure Source Nutrition Soy Protein Isolate Powder (90% Protein) 1Kg Unflavoured SOYA Protein Vegan Powder for Superfood Supergreens Dairy Free Plant Based Protein (1Kg, Natural)
Pure Source Nutrition
Why we love it
High protein content enhances nutrition.
Plant-based, perfect for diets.
Supports muscle growth and recovery.
Main Highlights
π π£π¨π₯π π¦π’π¬ ππ¦π’πππ§π: This is a highly refined form of soy protein, offering around 90% protein content, making it ideal for those seeking a concentrated source of protein.
π ππ₯ππ ππ₯π’π ππ‘ππ ππ π£π₯π’ππ¨ππ§π¦: It's a completely plant-based product, suitable for vegetarians and vegans, as it does not contain any ingredients derived from animals.
π ππ’πͺ ππ‘ πππ§ ππ‘π πππ₯ππ’ππ¬ππ₯ππ§π: With minimal fats and carbohydrates, it is a lean source of protein, making it great for those on low-calorie or low-carb diets, or those focused on muscle building and fat loss.
π π‘π’π‘-ππ π’: The product is free from genetically modified materials, appealing to those who prefer non-GMO options for health or environmental reasons.
π ππππ-π€π¨ππππ§π¬ π©ππππ‘/π©ππππ§ππ₯πππ‘ ππ¦π’πππ§π π£π₯π’π§πππ‘: Soy protein is known for its complete amino acid profile, providing all the essential amino acids necessary for muscle growth, repair, and overall bodily function.
π ππ’π₯π§πππππ πͺππ§π π©ππ§ππ ππ‘π¦ ππ‘π π ππ‘ππ₯πππ¦: Enriched with essential vitamins and minerals, this makes it a more comprehensive nutritional supplement that supports overall health in addition to providing protein.
β π©ππππ‘ β π©ππππ§ππ₯πππ‘ β ππ π’ ππ₯ππ β πππ¨π§ππ‘ ππ₯ππ β πππππ β ππ’π¦πππ₯ β π πππ ππ‘ π¨π
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8.8
Excellent
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8.8
Excellent
Pure Source Nutrition
Pure Source Nutrition Soy Protein Isolate Powder (90% Protein) 1Kg Unflavoured SOYA Protein Vegan Powder for Superfood Supergreens Dairy Free Plant Based Protein (1Kg, Natural)
Check Price
Show More
Why we love it
High protein content enhances nutrition.
Plant-based, perfect for diets.
Supports muscle growth and recovery.
Main Highlights
π π£π¨π₯π π¦π’π¬ ππ¦π’πππ§π: This is a highly refined form of soy protein, offering around 90% protein content, making it ideal for those seeking a concentrated source of protein.
π ππ₯ππ ππ₯π’π ππ‘ππ ππ π£π₯π’ππ¨ππ§π¦: It's a completely plant-based product, suitable for vegetarians and vegans, as it does not contain any ingredients derived from animals.
π ππ’πͺ ππ‘ πππ§ ππ‘π πππ₯ππ’ππ¬ππ₯ππ§π: With minimal fats and carbohydrates, it is a lean source of protein, making it great for those on low-calorie or low-carb diets, or those focused on muscle building and fat loss.
π π‘π’π‘-ππ π’: The product is free from genetically modified materials, appealing to those who prefer non-GMO options for health or environmental reasons.
π ππππ-π€π¨ππππ§π¬ π©ππππ‘/π©ππππ§ππ₯πππ‘ ππ¦π’πππ§π π£π₯π’π§πππ‘: Soy protein is known for its complete amino acid profile, providing all the essential amino acids necessary for muscle growth, repair, and overall bodily function.
π ππ’π₯π§πππππ πͺππ§π π©ππ§ππ ππ‘π¦ ππ‘π π ππ‘ππ₯πππ¦: Enriched with essential vitamins and minerals, this makes it a more comprehensive nutritional supplement that supports overall health in addition to providing protein.
β π©ππππ‘ β π©ππππ§ππ₯πππ‘ β ππ π’ ππ₯ππ β πππ¨π§ππ‘ ππ₯ππ β πππππ β ππ’π¦πππ₯ β π πππ ππ‘ π¨π
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10
SOYA Protein Isolate (90% Protein) 1kg by Manor Springs, Unflavoured, Vegan Protein Shake
MANOR SPRINGS
Why we love it
Supports muscle development and recovery.
Seamlessly integrates into recipes.
Low fat, high protein.
Main Highlights
Pure Protein Powerhouse: Manor Springs' Soya Protein Isolate boasts an impressive 90% protein content, providing a pure and potent source of plant-based protein for your active lifestyle.
Muscle Support: Elevate your workout routine with a protein supplement that supports muscle development and recovery. The high protein concentration in our Soya Protein Isolate aids in building and repairing lean muscle mass.
Versatile Incorporation: From smoothies to protein bars, our Soya Protein Isolate seamlessly integrates into various recipes. Its neutral taste allows for versatile use, making it an ideal ingredient for your culinary creations.
Plant-Powered Nutrition: Embrace the benefits of plant-based nutrition. Manor Springs' Soya Protein Isolate is derived from non-GMO soybeans, providing a sustainable and cruelty-free protein source for conscientious consumers.
Low in Fat: Enjoy the protein boost without excess fat. Our Soya Protein Isolate is low in fat, making it an excellent choice for those aiming to increase protein intake while managing their fat consumption.
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8.7
Excellent
Check Price
8.7
Excellent
MANOR SPRINGS
SOYA Protein Isolate (90% Protein) 1kg by Manor Springs, Unflavoured, Vegan Protein Shake
Check Price
Show More
Why we love it
Supports muscle development and recovery.
Seamlessly integrates into recipes.
Low fat, high protein.
Main Highlights
Pure Protein Powerhouse: Manor Springs' Soya Protein Isolate boasts an impressive 90% protein content, providing a pure and potent source of plant-based protein for your active lifestyle.
Muscle Support: Elevate your workout routine with a protein supplement that supports muscle development and recovery. The high protein concentration in our Soya Protein Isolate aids in building and repairing lean muscle mass.
Versatile Incorporation: From smoothies to protein bars, our Soya Protein Isolate seamlessly integrates into various recipes. Its neutral taste allows for versatile use, making it an ideal ingredient for your culinary creations.
Plant-Powered Nutrition: Embrace the benefits of plant-based nutrition. Manor Springs' Soya Protein Isolate is derived from non-GMO soybeans, providing a sustainable and cruelty-free protein source for conscientious consumers.
Low in Fat: Enjoy the protein boost without excess fat. Our Soya Protein Isolate is low in fat, making it an excellent choice for those aiming to increase protein intake while managing their fat consumption.
Show More
