Thorne began with a biochemist’s vision: supplements should be grounded in clinical research and ingredient integrity. Every formula is made without unnecessary additives, using carefully sourced ingredients that are fully disclosed and traceable. Third-party testing and NSF Certified for Sport® standards ensure each supplement meets the highest bar for families who want to know exactly what they’re putting in their bodies.
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Thorne Whey Protein Isolate
31.9 oz
Why we love it
- Free from 3,000+ banned ingredients and meets our EU-informed standards.
- Supports muscle repair and maintenance with bioavailable protein.
- Added bromelain and papain aid in protein digestion and absorption.
- Sweetened naturally and NSF Certified for Sport®, ensuring product integrity and compliance.
Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.
21 grams of bioavailable protein with flavors and sweeteners derived from natural sources. Great tasting, high-quality whey protein designed for athletes, aging individuals, and anyone requiring additional support for muscle repair.* NSF Certified for Sport®.
Many trainers and dietitians recommend consuming protein with every meal. This is particularly important for individuals needing support for a workout routine, or those looking to maintain a healthy weight.
Protein is essential for muscle repair and maintenance, and whey protein provides a complete amino acid profile, optimized for absorption and assimilation.* Supplementing the diet with a high-quality whey protein can make reaching your macro goals easier.
Servings Per Container: 30
Benefits of Whey Protein Isolate:
- Helps maintain healthy muscle mass*
- Supports muscle repair after injury or training*
- Benefits a healthy weight*
- Aids in the digestion and assimilation of protein with added bromelain and papain*
- Balanced amino acids profile, including -chain amino acids
Who can benefit:
- Teens who need additional nutritional support for a growing body*
- Aging individuals who need additional protein support to help maintain muscle mass and a healthy weight*
- Athletes and exercise enthusiasts looking to support lean muscle mass*
- Anyone wanting to support healthy weight management*
Features of Thorne’s Whey Protein Isolate:
- 21 grams of protein per serving
- 2.3 grams of leucine per serving – the optimal amount for muscle repair and maintenance*
- Low in calories, sugar, and fat
- Whey protein isolate form for optimal absorption
- Easy to digest
- Flavors and sweeteners derived from natural sources
- Tastes great
- NSF Certified for Sport®
Because an athlete needs to know that his or her supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® supplement is tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations, including stimulants, narcotics, steroids, diuretics, beta-2 agonists, and masking agents.
*Note: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Consult your physician before adding a dietary supplement to your diet.
Star Ingredients
One Scoop (30.2 g) Contains: Total Fat 1 g, Saturated Fat 0.5 g, Cholesterol 10 mg, Total Carbohydrate 4 g, Dietary Fiber 1 g, Total Sugars 2 g (Includes 1 g Added Sugars), Protein 21 g, Calcium 94 mg, Iron 1 mg, Sodium 105 mg, Potassium 200 mg, Whey Protein Isolate 25 g, Proprietary Blend 30 mg (Bromelain, Papain).
Other Ingredients: Alkalized Cocoa Powder, Flavors, Evaporated Cane Juice Sugar, Stevia extract (leaf), Xanthan Gum, Carboxymethylcellulose Gum.
Contains ingredient derived from milk (whey protein isolate).
Typical Amino Acid Amounts (g) Per Serving: Alanine 1.0, Arginine 0.6, Aspartic Acid 2.1, Cysteine 0.5, Glutamic Acid 3.6, Glycine 0.4, Histidine* 0.4, Isoleucine* 1.2, Leucine* 2.2, Lysine* 1.9, Methionine* 0.5, Phenylalanine* 0.7, Proline 1.2, Serine 1.1, Threonine* 1.4, Tryptophan* 0.4, Tyrosine 0.6, Valine* 1.2.
*Essential Amino Acid.
Mix 1 scoop with at least 8 ounces of water, juice, or preferred beverage daily or as recommended by your health-care practitioner.
How to use Whey Protein Isolate:
- Shake with water or preferred beverage for a quick protein fix
- Blend into your favorite smoothie with fresh fruit or coffee
- Stir into oatmeal for a high fiber, protein rich breakfast
- Add to your favorite recipes at home, like pancakes, muffins, or chia pudding for an easy protein boost
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Subscriptions ship together to reduce packaging and carbon emissions.
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