A white Thorne Whey Protein Isolate box, Chocolate Flavored, features abstract brown and black art. The label highlights 21g protein, 2g sugar, and 100 calories per serving to support muscle repair. Back of Thorne Whey Protein Isolate box displaying nutrition facts, ingredients, amino acid profile, warnings, manufacturer info, plus icons for foundational health, sports performance, muscle repair support, and gluten-free. Text on a green background about 3,000 banned ingredients and a higher standard for home products.
A white Thorne Whey Protein Isolate box, Chocolate Flavored, features abstract brown and black art. The label highlights 21g protein, 2g sugar, and 100 calories per serving to support muscle repair.

Thorne Whey Protein Isolate

14 count

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Lean protein for muscle recovery and fitness.
  • High-quality, responsibly sourced whey.
  • Pure, effective support for fitness goals.
Purchase options

Whey Protein Isolate $48.00

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 maintaining healthy muscle mass.* NSF Certified for Sport®. Many trainers and dieticians 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.

Benefits of Thorne’s 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 branched-chain amino acids (BCAAs)

Who can benefit from Thorne’s Whey Protein Isolate: 

  • 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
  • 2.2 grams of leucine per serving – the optimal amount for muscle repair and maintenance*
  • 100 calories, 2 g sugar, and 1 g fat per serving
  • Whey protein isolate form for optimal absorption
  • Easy to digest
  • Flavors and sweeteners derived from natural sources
  • Tastes great
  • Available in bulk powder or individual single-serving packets
  • NSF Certified for Sport®


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

Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations.

*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.

Chocolate:

  • Bromelain and Papain Blend - 30mg
  • Calcium - 94mg
  • Iron - 1mg
  • Potassium - 200mg
  • Sodium - 105mg
  • Whey Protein Isolate - 25g

Other Ingredients:

Alkalized Cocoa Powder, Carboxymethylcellulose Gum, Chocolate Flavor, Evaporated Cane Juice Sugar, Rebaudioside A (from stevia), Xanthan Gum

Vanilla:

  • Bromelain and Papain Blend - 30mg
  • Calcium - 94mg
  • Sodium - 75mg
  • Whey Protein Isolate - 25g

Other Ingredients:

Carboxymethylcellulose Gum, Evaporated Cane Juice Sugar, Rebaudioside A (from stevia), Vanilla Flavor, Xanthan Gum

*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.

WARNING: This product can expose you to chemicals including lead, which is [are] known to the State of California to cause birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.

Mix 1 packet with at least 8 ounces of water, juice, or preferred beverage daily or as recommended by your health-care practitioner.

Grove Values

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Wellness, proven and transparent

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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3,000+ BANNED INGREDIENTS

Wellness formulas you can trust.

Every wellness product is reviewed by experts and screened for ingredients and materials that align with Grove’s strict standards — so you can feel good about what you and your family rely on to feel your best.

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Vetted for ingredient integrity

No artificial colors, flavors, or phthalates — all common in mainstream products

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No unnecessary extras

Free from artificial dyes, talc, titanium dioxide, and magnesium stearate

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Less plastic, fewer microplastics

Prioritized packaging options that reduce plastic waste and microplastic exposure

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Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog