
Transparent Labs
100% Grass-Fed Whey Protein Isolate
A grass-fed whey isolate with 28 g of protein per scoop, stevia instead of artificial sweeteners, and NSF Certified for Sport status.
Brand profile
Transparent Labs is a US supplement company whose labels list the exact amount of every ingredient, with no proprietary blends and no artificial sweeteners, dyes or preservatives. Its range covers whey, casein and plant proteins, creatine, pre-workouts and general health products, sold mainly through its own website and Amazon. The company publishes third-party test results for its products and says its manufacturing facility is NSF-certified.
Average score
Across 4 products
Testing & quality
Publishes third-party batch test results; its grass-fed whey isolate is listed as NSF Certified for Sport, and the brand states Informed Choice and Informed Protein certification.

Transparent Labs
A grass-fed whey isolate with 28 g of protein per scoop, stevia instead of artificial sweeteners, and NSF Certified for Sport status.

Transparent Labs
A fully transparent, Informed Choice-certified pre-workout with 8 g citrulline malate, 4 g beta-alanine and a moderate 200 mg of natural caffeine.

Transparent Labs
A double-certified creatine stack with 5 g creatine plus 1.5 g HMB. The quality is excellent, but at about $1.67 a serving you pay a lot for add-ons with modest evidence.

Transparent Labs
Clean-label BCAA drink with 8 g fermented BCAAs, 5 g glutamine and no artificial sweeteners, but about $1.33 a serving and 1,500 mg of vitamin C per scoop.
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