Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate, 5 Pound (Packaging May Vary)

Clinical trials typically use 20-40g per serving, 1.6-2.2g/kg/day total protein for athletes. Optimum Nutrition Gold Standard 100% Whey delivers 24g protein per scoop, which we classify as Therapeutic relative to that range.

See the "Also consider" section below for two alternatives. Choose based on form preference (Powder vs alternatives), dose adequacy, and third-party testing.

Yes — Informed Choice Certified. Third-party testing verifies ingredient identity and label accuracy.

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Yes, Gold Standard Whey is one of the most widely used protein supplements globally with nearly two decades on the market. It is Informed Choice certified, meaning each batch is tested for banned substances. Millions of consumers use it daily as part of their nutrition routine.

Yes, this product contains milk and soy (soy lecithin is used as an emulsifier). It is manufactured in a facility that also processes egg, wheat, and tree nut ingredients. Those with allergies to any of these should exercise caution or choose an alternative.

Whey protein is generally considered safe for teenagers who are physically active and need additional protein. However, whole food sources should be prioritized first. Parents should consult a pediatrician before adding any supplement to a teenager's diet.

Yes, Optimum Nutrition Gold Standard is Informed Choice certified, which involves ongoing batch testing for banned substances and contaminants. This certification is recognized by professional sports organizations worldwide. It provides assurance that the product meets quality and purity standards.

Gold Standard Whey uses sucralose as its primary sweetener, which is FDA-approved and extensively studied. The amount per serving is well within established safety limits. Some consumers prefer natural sweeteners, but the scientific consensus supports the safety of sucralose at normal intake levels.

The standard serving is one scoop providing 24g of protein. Most active adults benefit from 1-3 scoops per day depending on their total protein needs and dietary intake. The goal is to reach 1.6-2.2g of protein per kilogram of body weight from all sources combined.