Protein Powder Brands: Compare Product Evidence
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Compare the exact protein powder, flavor and market you intend to buy. A review of one whey product does not establish the status of a plant protein, casein powder or another flavor from the same brand.
Build a useful protein comparison
Start with a photo of each product’s current label. Record the serving size, grams of protein per serving, protein sources, other ingredients and allergen statement. Keep flavored and unflavored versions separate in your comparison: similar names do not establish identical formulations.
- Compare equivalent servings. A larger scoop or a two-scoop serving can make the headline number look larger. Note both the serving weight and the protein amount.
- Identify the source. Write down whether the label lists whey, casein, soy, pea or a mixture. A general brand profile cannot answer this for every product.
- Check the actual flavor. Match the certification record to the flavor and region on the container. Do not transfer the status of chocolate to an unlisted flavor.
- Evaluate a laboratory report separately. Look for the product, lot, sample date, laboratory, tested substances, methods and results. A certificate for an ingredient supplier is different from a report on the finished powder.
What this comparison establishes
Our table supports a product-certification comparison within the recorded scope. It is not a test of every powder on the market, a current price survey or an assessment of the protein intake you need. A clinical claim about muscle growth requires its own supporting research; a certification badge alone does not answer it.
Reviewed product records in this category
We currently have matching reviewed records for 1 brands in this category. This counts our review coverage, not all certified products on the market. A missing record means the evidence has not been established here; it is not a finding of no testing.
Read each product’s exact scope. A specific certification can be reviewed while the broader brand is still unrated. We do not generate a best-product ranking from incomplete brand reviews.
Reviewed product records for this category. Certification does not apply to every product from a brand.
| Brand | Product and scope | Certification source | Evidence score |
|---|---|---|---|
| Optimum Nutrition | GOLD STANDARD 100% WHEY DOUBLE RICH CHOCOLATE (region: United States; Powder; flavor: Chocolate; size: 4.53 kg; listed lots: 0001275000, 0001302283, 0001237159, 0001195070) | NSF Certified for Sport | Not yet rated |
| Optimum Nutrition | Gold Standard 100% Whey Vanilla Ice Cream (region: United States; Powder; flavor: Other; size: 4.62 kg (10.2 lb); listed lots: 0001358961, 0001284801, 0001195057, 0001231469) | NSF Certified for Sport | Not yet rated |
Match the record before shopping
We may earn a commission from retailer links. These links can show broader catalogs; verify that the selected product matches the record’s formulation, flavor, market and any listed size or lot.
Optimum Nutrition
GOLD STANDARD 100% WHEY DOUBLE RICH CHOCOLATE (region: United States; Powder; flavor: Chocolate; size: 4.53 kg; listed lots: 0001275000, 0001302283, 0001237159, 0001195070)
Gold Standard 100% Whey Vanilla Ice Cream (region: United States; Powder; flavor: Other; size: 4.62 kg (10.2 lb); listed lots: 0001358961, 0001284801, 0001195057, 0001231469)
These records cover the listed products and variants. Match your product, region and lot against the current registry before buying. Evidence reviewed 2026-09-07; evaluated 2026-09-19.
Continue your comparison
Creatine product records. Collagen label and evidence checks.
Browse the category directory or look up a brand. Our evidence method explains what is reviewed and why some scores are withheld.
Guide text updated 2026-09-08; individual evidence records have separate review dates.
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