Black tub of Onnit grass-fed whey isolate protein powder in vanilla flavor with black screw-top lid and beige label.
Vanilla-colored whey protein powder in a circular pile against a light gray background with benefit claims displayed below.
Two black protein powder tubs labeled Grass-Fed Whey Isolate Protein in vanilla and chocolate flavors.
Man in gym holding blue shaker bottle with grass-fed whey protein powder tub on bench beside him.
Grass Fed Whey Isolate Protein - Vanilla (30 Serving Tub)

Onnit Whey Isolate

Whey isolate with a complete amino acid profile

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With 20 grams of fast-absorbing non-GMO whey isolate from the milk of dairy cows fed a diet of at least 70% grass-based feed, this protein supports muscle growth, recovery, and lean body mass—without the extra fat and carbs found in concentrate.†

High in leucine, a key amino acid that helps trigger muscle protein synthesis, this formula delivers fast fuel to your muscles when they need it most. Ideal for athletes and active lifestyles, it supports recovery between workouts.†
  • HSA/FSA ELIGIBLE
  • COA Tested
  • IGEN™ Non-GMO
  • GRASS-FED WHEY
  • 20G PROTEIN

Science Backed Ingredients

Grass-Fed Whey Isolate Protein

Supports Muscle Growth & Recovery†