We asked 4 AI models to recommend the best protein powder brands for muscle gain. Here's what GPT-4.1, Gemini, Grok, and Llama agree on.
🏆 AI Consensus Winner: Optimum Nutrition Gold Standard 100% Whey — recommended by 2/4 models
🔴 AI Confidence: LOW — no clear winner
AI Consensus
These products were recommended by multiple AI models:
- Optimum Nutrition Gold Standard 100% Whey
- Dymatize ISO100
- Transparent Labs 100% Grass
What Each AI Recommends
| Rank | GPT-4.1 | Gemini | Grok | Llama |
|---|---|---|---|---|
| 1 | Optimum Nutrition Gold Standard 100% Whey | Optimum Nutrition Gold Standard 100% Whey | Optimum Nutrition Gold Standard Whey | Optimum Nutrition |
| 2 | Dymatize ISO100 | Myprotein Impact Whey Protein | Dymatize ISO100 | MusclePharm |
| 3 | MyProtein Impact Whey | Dymatize ISO100 Hydrolyzed | Transparent Labs 100% Grass | BSN |
| 4 | BSN Syntha | Transparent Labs 100% Grass | Legion Whey+ | Cellucor |
| 5 | MuscleTech NitroTech | Bodybuilding.com Signature 100% Whey Protein | Kaged Muscle Whey Protein Isolate | Orgain |
Best For Your Needs
- Best overall: Optimum Nutrition Gold Standard 100% Whey
- Best free option: Dymatize ISO100
- Best for small teams: Transparent Labs 100% Grass
- Best for enterprises: Optimum Nutrition Gold Standard 100% Whey
Methodology
We asked each AI model: "What are the Best Protein Powder Brands For Muscle Gain? List your top 5 recommendations."
Models used: GPT-4.1 Nano (OpenAI), Gemini 2.5 Flash (Google), Grok 4.1 Fast (xAI), Llama 4 Scout (Meta). No web search was enabled — these are pure AI opinions based on training data.
The "AI Consensus" shows products mentioned by 2 or more models. The winner is the product that appears most frequently in the #1 position.