NOW Foods Soy Protein Isolate, Unflavored - 544 grams
NOW Foods Soy Protein Isolate, Unflavored - 544 grams
"Very quick delivery. Used 3 times, each order arrived the next day before 12:00"
Hugo Dover
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
Elina Goulliard
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Elizabeth Moore

Product Description

NOW Foods Soy Protein Isolate is a plant-based protein powder that helps you build muscle and support heart health. Its core ingredient, non-GMO soy protein isolate, provides a complete protein profile with naturally occurring isoflavones. NOW Foods has a longstanding track record of quality, with Good Manufacturing Practice certified facilities and trusted testing in the natural supplements market.

Benefits & Features:

  • Supports muscle recovery with a full amino acid profile.
  • Featuring a pure, hydrolysis-derived soy protein isolate, this protein powder offers a complete protein profile with naturally occurring isoflavones.
  • Non-GMO verification and chemical-free extraction reflect our commitment to natural supplements.
  • Zero carbohydrates and almost no fat help you keep calories in check while you train so you stay satisfied.
  • Suitable for vegetarians and vegans seeking a clean, high-quality protein source that fits easily into smoothies or recipes.

NOW Foods has been a trusted name in natural supplements since 1968, built on quality, openness and rigorous testing. Supro soy protein isolate is regarded as one of the top forms in the industry, and the product carries non-GMO verification and Informed Sport certification for extra reassurance. Soybeans are certified non-GMO and processed with a chemical-free water extraction to keep purity high.

Ingredients/Specifications

Calories, Total Fat, Saturated Fat, Trans Fat, Cholesterol, Sodium, Total Carbohydrate, Total Sugars, Includes 0g Added Sugars, Dietary Fiber, Protein, Vitamin D, Calcium, Iron, Potassium, TYPICAL AMINO ACID PROFILE, Essential Amino Acids, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methionine, L-Phenylalanine, L-Threonine, L-Tryptophan, L-Valine, Non-Essential Amino Acids, L-Alanine, L-Arginine, L-Aspartic Acid, L-Cysteine, L-Glutamic Acid, Glycine, L-Proline, L-Serine, L-Tyrosine, Calories, Total Fat, Saturated Fat, Trans Fat, Cholesterol, Sodium, Total Carbohydrate, Total Sugars, Includes 0g Added Sugars, Dietary Fiber, Protein, Vitamin D, Calcium, Iron, Potassium, TYPICAL AMINO ACID PROFILE, Essential Amino Acids, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methionine, L-Phenylalanine, L-Threonine, L-Tryptophan, L-Valine, Non-Essential Amino Acids, L-Alanine, L-Arginine, L-Aspartic Acid, L-Cysteine, L-Glutamic Acid, Glycine, L-Proline, L-Serine, L-Tyrosine

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Add 1/3 cup (approximately 24g) of NOW Sports Soy Protein Isolate to 8 oz. of water, milk, or your favourite beverage. Stir or blend until fully dissolved. Store in a cool, dry, dark place after opening. Use this product as a food supplement only. Do not use for weight reduction.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

  Amount
Per 100g
Amount
Per Serving
%RI*
Calories 1570.8333 kJ / 375 kcal 377 kJ / 90 kcal
Total Fat 2.0833 g 0.5 g 1%
Saturated Fat 0 g 0 g 0%
Trans Fat 0 g 0 g
Cholesterol 0 mg 0 mg 0%
Sodium 708.3333 mg 170 mg 7%
Total Carbohydrate 0 g 0 g 0%
Total Sugars 0 g 0 g
Includes 0g Added Sugars 0%
Dietary Fiber 0 g 0 g 0%
Protein 83.3333 g 20 g 40%
Vitamin D 0 µg 0 µg 0%
Calcium 804.1667 mg 193 mg 15%
Iron 12.5 mg 3 mg 15%
Potassium 58.3333 mg 14 mg 0%
TYPICAL AMINO ACID PROFILE
Essential Amino Acids
L-Histidine 2691.6667 mg 646 mg
L-Isoleucine 3458.3333 mg 830 mg
L-leucine 7520.8333 mg 1805 mg
L-Lysine 5429.1667 mg 1303 mg
L-Methionine 1258.3333 mg 302 mg
L-Phenylalanine 3870.8333 mg 929 mg
L-Threonine 2879.1667 mg 691 mg
L-Tryptophan 1500 mg 360 mg
L-Valine 4058.3333 mg 974 mg
Non-Essential Amino Acids
L-Alanine 3520.8333 mg 845 mg
L-Arginine 6620.8333 mg 1589 mg
L-Aspartic Acid 10308.3333 mg 2474 mg
L-Cysteine 2641.6667 mg 634 mg
L-Glutamic Acid 16520.8333 mg 3965 mg
Glycine 3391.6667 mg 814 mg
L-Proline 4441.6667 mg 1066 mg
L-Serine 4550 mg 1092 mg
L-Tyrosine 3150 mg 756 mg

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Soy Protein Isolate

Soy protein isolate is a plant-based protein sourced from soybeans, offering a complete amino acid profile suitable for routine nutritional needs. It is refined to a very high purity level and used as a main protein source in many supplements.

This product uses non-GMO soy protein isolate and utilises a water-based extraction method, with natural minerals and isoflavones found in the soybeans, keeping its whole-food integrity.

What Does Soy Protein Isolate Do?

As a complete protein, it supplies all nine essential amino acids, supporting muscle growth and immune function as part of a balanced diet. It also includes natural isoflavones, which are phytoestrogens in soy.

In nutritional terms, the protein supports normal physiological functions tied to protein turnover and keeping body tissues, in line with EFSA guidance.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Why Welzo

NOW Foods really stood out in our evaluation because of its long standing commitment to quality and industry leadership. As an award winning maker since 1968, the brand shows a deep heritage in natural products and runs from a GMP certified facility, reinforcing our confidence in consistent production standards.

This brand was checked by Welzo's healthcare professionals for compliance with our supplement quality standards, including third‑party verifications and strict manufacturing controls. NOW Foods also holds Non‑GMO Project Verification and Informed Sport certification, underscoring its commitment to transparency and third‑party testing across its portfolio.

For this Soy Protein Isolate, Unflavoured, NOW Foods’ sourcing of non‑GMO soybeans and a chemical‑free water extraction process fit with our product requirements for a clean, complete plant protein. This brand’s established quality protocols and athlete‑focused certifications make it a clearly stronger partner for Welzo’s protein range.

NOW Foods Soy Protein Isolate, Unflavored - 544 grams

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NOW Foods Soy Protein Isolate is a plant-based protein powder that helps you build muscle and support heart health.
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Product Description

NOW Foods Soy Protein Isolate is a plant-based protein powder that helps you build muscle and support heart health. Its core ingredient, non-GMO soy protein isolate, provides a complete protein profile with naturally occurring isoflavones. NOW Foods has a longstanding track record of quality, with Good Manufacturing Practice certified facilities and trusted testing in the natural supplements market.

Benefits & Features:

  • Supports muscle recovery with a full amino acid profile.
  • Featuring a pure, hydrolysis-derived soy protein isolate, this protein powder offers a complete protein profile with naturally occurring isoflavones.
  • Non-GMO verification and chemical-free extraction reflect our commitment to natural supplements.
  • Zero carbohydrates and almost no fat help you keep calories in check while you train so you stay satisfied.
  • Suitable for vegetarians and vegans seeking a clean, high-quality protein source that fits easily into smoothies or recipes.

NOW Foods has been a trusted name in natural supplements since 1968, built on quality, openness and rigorous testing. Supro soy protein isolate is regarded as one of the top forms in the industry, and the product carries non-GMO verification and Informed Sport certification for extra reassurance. Soybeans are certified non-GMO and processed with a chemical-free water extraction to keep purity high.

Ingredients/Specifications

Calories, Total Fat, Saturated Fat, Trans Fat, Cholesterol, Sodium, Total Carbohydrate, Total Sugars, Includes 0g Added Sugars, Dietary Fiber, Protein, Vitamin D, Calcium, Iron, Potassium, TYPICAL AMINO ACID PROFILE, Essential Amino Acids, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methionine, L-Phenylalanine, L-Threonine, L-Tryptophan, L-Valine, Non-Essential Amino Acids, L-Alanine, L-Arginine, L-Aspartic Acid, L-Cysteine, L-Glutamic Acid, Glycine, L-Proline, L-Serine, L-Tyrosine, Calories, Total Fat, Saturated Fat, Trans Fat, Cholesterol, Sodium, Total Carbohydrate, Total Sugars, Includes 0g Added Sugars, Dietary Fiber, Protein, Vitamin D, Calcium, Iron, Potassium, TYPICAL AMINO ACID PROFILE, Essential Amino Acids, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methionine, L-Phenylalanine, L-Threonine, L-Tryptophan, L-Valine, Non-Essential Amino Acids, L-Alanine, L-Arginine, L-Aspartic Acid, L-Cysteine, L-Glutamic Acid, Glycine, L-Proline, L-Serine, L-Tyrosine

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Add 1/3 cup (approximately 24g) of NOW Sports Soy Protein Isolate to 8 oz. of water, milk, or your favourite beverage. Stir or blend until fully dissolved. Store in a cool, dry, dark place after opening. Use this product as a food supplement only. Do not use for weight reduction.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

  Amount
Per 100g
Amount
Per Serving
%RI*
Calories 1570.8333 kJ / 375 kcal 377 kJ / 90 kcal
Total Fat 2.0833 g 0.5 g 1%
Saturated Fat 0 g 0 g 0%
Trans Fat 0 g 0 g
Cholesterol 0 mg 0 mg 0%
Sodium 708.3333 mg 170 mg 7%
Total Carbohydrate 0 g 0 g 0%
Total Sugars 0 g 0 g
Includes 0g Added Sugars 0%
Dietary Fiber 0 g 0 g 0%
Protein 83.3333 g 20 g 40%
Vitamin D 0 µg 0 µg 0%
Calcium 804.1667 mg 193 mg 15%
Iron 12.5 mg 3 mg 15%
Potassium 58.3333 mg 14 mg 0%
TYPICAL AMINO ACID PROFILE
Essential Amino Acids
L-Histidine 2691.6667 mg 646 mg
L-Isoleucine 3458.3333 mg 830 mg
L-leucine 7520.8333 mg 1805 mg
L-Lysine 5429.1667 mg 1303 mg
L-Methionine 1258.3333 mg 302 mg
L-Phenylalanine 3870.8333 mg 929 mg
L-Threonine 2879.1667 mg 691 mg
L-Tryptophan 1500 mg 360 mg
L-Valine 4058.3333 mg 974 mg
Non-Essential Amino Acids
L-Alanine 3520.8333 mg 845 mg
L-Arginine 6620.8333 mg 1589 mg
L-Aspartic Acid 10308.3333 mg 2474 mg
L-Cysteine 2641.6667 mg 634 mg
L-Glutamic Acid 16520.8333 mg 3965 mg
Glycine 3391.6667 mg 814 mg
L-Proline 4441.6667 mg 1066 mg
L-Serine 4550 mg 1092 mg
L-Tyrosine 3150 mg 756 mg

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Soy Protein Isolate

Soy protein isolate is a plant-based protein sourced from soybeans, offering a complete amino acid profile suitable for routine nutritional needs. It is refined to a very high purity level and used as a main protein source in many supplements.

This product uses non-GMO soy protein isolate and utilises a water-based extraction method, with natural minerals and isoflavones found in the soybeans, keeping its whole-food integrity.

What Does Soy Protein Isolate Do?

As a complete protein, it supplies all nine essential amino acids, supporting muscle growth and immune function as part of a balanced diet. It also includes natural isoflavones, which are phytoestrogens in soy.

In nutritional terms, the protein supports normal physiological functions tied to protein turnover and keeping body tissues, in line with EFSA guidance.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Why Welzo

NOW Foods really stood out in our evaluation because of its long standing commitment to quality and industry leadership. As an award winning maker since 1968, the brand shows a deep heritage in natural products and runs from a GMP certified facility, reinforcing our confidence in consistent production standards.

This brand was checked by Welzo's healthcare professionals for compliance with our supplement quality standards, including third‑party verifications and strict manufacturing controls. NOW Foods also holds Non‑GMO Project Verification and Informed Sport certification, underscoring its commitment to transparency and third‑party testing across its portfolio.

For this Soy Protein Isolate, Unflavoured, NOW Foods’ sourcing of non‑GMO soybeans and a chemical‑free water extraction process fit with our product requirements for a clean, complete plant protein. This brand’s established quality protocols and athlete‑focused certifications make it a clearly stronger partner for Welzo’s protein range.

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Disclaimer

Content team: Dr Sameer Nakedar

Role: Chief Medical Officer

MBBS (London, UK), MRCGP, PGCert

Content team: Paola Drexlar

Role: Medical Content Writer, UK

BA (Hons) Journalism