



This rating was initiated by Unbox Health. We independently purchased ON Gold Standard Whey Protein from the open market (Amazon, Batch No: GSC24032), with no brand involvement.
ON Gold Standard Whey Protein was third-party tested by Unbox Health at up to 3 NABL-accredited, FSSAI-approved labs, and received a rating of A+. We rate products on a (D to A+) scale based on their label accuracy, toxicity and nutritional profile (for foods). All ratings are valid for 12 months. The rating went live on 19 Aug 2024 and its status is Expired.
Optimum Nutrition had no influence on this rating. All lab reports are published. Read the full methodology for how we rate Protein Powders here.
ON Gold Standard Whey Protein received a rating of A+ in Unbox Health’s independent lab testing across label accuracy, safety, and nutritional parameters. Unbox Health rates products from D to A+ after testing every product at multiple accredited labs. We do not share subjective good/bad or pass/fail stamps.
ON Gold Standard Whey Protein received a Non-Toxicity Score of 10 out of 10. Unbox Health did not find any safety concerns in our lab tests. This product was lab tested for the following toxic substances: Total Aflatoxins B,G, Total Aflatoxins M1, Lead, Arsenic, Cadmium, Mercury.
ON Gold Standard Whey Protein received a Label Accuracy Score of 10 out of 10. Unbox Health did not find any label inaccuracies in our lab tests. This product was lab tested for the following parameters: Total Protein, Total Carbs, Total Fat, Isoleucine, Leucine, Valine, Lysine, Methionine + Cysteine, Threonine, Phenylalanine + Tyrosine, Tryptophan, Histidine.
ON Gold Standard Whey Protein received a Nutritional Profile Score of 9.25 out of 10. Based on established nutritional guidelines, Unbox Health determined that this product has a very high nutritional profile.