Best protein powder

Combined ranking

1. 1
   OOptimum Nutrition Gold Standard 100% Whey▲116 pts

   GPT #4Claude #1Gemini #2Grok #1

   The category benchmark — consistent ~24g protein per scoop, wide flavor range that genuinely tastes good, excellent mixability, third-party tested (Informed Sport on many SKUs), and the best price-per-gram availability of any premium whey worldwide.

   To stay #1 Reduce the added artificial sweeteners/flavoring and offer a cleaner-label version to satisfy buyers avoiding sucralose and acesulfame-K.

2. 2
   TTransparent Labs 100% Grass-Fed Whey Protein Isolate▼116 pts

   GPT #3Claude #2Gemini #1Grok #2

   Extremely clean formulation containing 28 grams of grass-fed isolate, zero artificial sweeteners or dyes, and fully transparent third-party testing.

   To rank higher Lower the premium price per serving to make it more accessible for everyday consumers.

3. 3
   DDymatize ISO100—8 pts

   GPT —Claude #3Gemini #3Grok #4

   Hydrolyzed isolate delivers ~25g fast-digesting, near lactose-free protein per scoop with very low carbs/fat; Informed Choice certified and exceptionally easy on the stomach — ideal for cutting and sensitive digestion.

   To rank higher Improve flavor depth and texture, which can taste thin compared to whey-concentrate blends, and trim the premium price.

4. 4
   MMomentous Whey Protein Isolate—8 pts

   GPT #1Claude —Gemini —Grok #3

   dual NSF Certified for Sport/Informed Sport testing, grass-fed whey isolate, strong digestibility, clean ingredient profile, trusted by serious athletes

   To rank higher lower the price per serving

5. 5
   TThorne Whey Protein Isolate—5 pts

   GPT #2Claude —Gemini —Grok #5

   NSF Certified for Sport, excellent quality control, easy-digesting whey isolate, low sugar, reliable label accuracy

   To rank higher increase protein per serving without adding more gums or sweeteners

6. 6
   NNaked Whey—3 pts

   GPT —Claude #5Gemini #4Grok —

   Ultimate simplicity featuring a single ingredient (pure grass-fed whey concentrate) with no fillers, chemical additives, or sweeteners.

   To rank higher Improve its naturally chalky texture and poor mixability when shaken with water.

7. 7
   RRitual Essential Protein—2 pts

   GPT —Claude #4Gemini —Grok —

   Best-in-class plant option — traceable pea protein, third-party tested, vegan, no added sugar, and a clean amino profile fortified with methionine to match whey's completeness; strong choice for plant-based and gut-sensitive users.

   To rank higher Improve the gritty plant-protein mouthfeel and raise protein per serving (~20g) closer to whey-isolate levels.

8. 8
   AAscent 100% Whey Protein—1 pts

   GPT #5Claude —Gemini —Grok —

   native whey protein, Informed Choice certification, clean formulation, good mixability, strong everyday performance

   To rank higher improve value and availability versus the bigger competitors

9. 9
   MMomentous 100% Plant Protein—1 pts

   GPT —Claude —Gemini #5Grok —

   High-quality, NSF Certified for Sport pea and rice blend providing a complete amino acid profile with exceptional digestibility and clean ingredients.

   To rank higher Lower the high cost per container to better compete with standard plant-based alternatives.

Rank history

By model

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously