5 Highest Quality Protein Powders of 2024

4. Optimum Nutrition Gold Standard 100% Whey Protein Powder

Amazon Customer Rating: 4.6 out of 5

Number of Reviews: 18,415

Ranked 4th on our list, Optimum Nutrition Gold Standard 100% Whey Protein Powder is owned by the leading nutrition products supplier, Glanbia plc (OTC:GLAPF). The protein powder has over 10 flavors including vanilla, chocolate, white chocolate, and strawberry. Each serving of Optimum Nutrition Gold Standard 100% Whey Protein Powder provides 24 grams of 100% whey protein. It has an average customer rating of 4.6 out of 5.