Which is cheaper, Optimum Nutrition or Myprotein?

Price per gram of protein varies by product and retailer. Use the comparison tables above for live, retailer-by-retailer pricing across both Optimum Nutrition and Myprotein catalogs. The Value Score on each product page combines protein content with current price for a quick like-for-like check.

Which has more protein per scoop, Optimum Nutrition or Myprotein?

Both brands offer products in the 20-30g protein per serving range typical of modern whey and plant powders. See the product matchup table above for exact per-scoop protein for the SKUs currently in our catalog.

Is Optimum Nutrition or Myprotein better for muscle building?

For muscle protein synthesis, what matters is hitting roughly 1.6 to 2.2g of protein per kg of bodyweight per day with adequate leucine. Both Optimum Nutrition and Myprotein can deliver this. Choose based on protein per dollar, flavor preference, and macro fit. Our Value Score helps with the price-per-protein math.

Where can I buy Optimum Nutrition and Myprotein?

We track Optimum Nutrition and Myprotein pricing across all 12 US retailers in our network: Amazon, Walmart, iHerb, Target, GNC, Costco, Vitacost, Bodybuilding.com, Tiger Fitness, Muscle and Strength, Transparent Labs, and MyProtein. The product cards above link directly to whichever retailer is cheapest right now.

How often do prices update on ProteinPrice.com?

Prices and stock status across all tracked retailers are refreshed multiple times per day by our automated scraping system. You can verify the freshness of any price on the dashboard.

Optimum Nutrition vs MyProtein 2026

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