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Performance

Whey Protein

Also known as: Whey concentrate, Whey isolate, Whey hydrolysate, Whey Protein Concentrate

A
Evidence

Whey protein concentrate is a dairy-derived protein containing 70-80% protein by weight, along with lactose and fat, and is extensively researched for supporting muscle protein synthesis and recovery. Numerous high-quality RCTs demonstrate efficacy for increasing lean muscle mass when combined with resistance training.

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Daily target & upper limit

50 g / day

Whey Protein has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:

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Primary uses

  • Muscle building
  • Recovery
  • Protein intake
  • Muscle protein synthesis
  • Post-workout recovery
  • Lean muscle mass gain
  • Protein supplementation for strength training
  • Weight management support

How it works

  • Complete amino acid profile
  • Fast digestion and absorption
  • High leucine content

Dosage

Typical range
20-40g per serving, as needed for protein goals
Timing
Post-workout, between meals, any time
With food
Either
Duration
Daily as needed
Special populations
Athletes, those needing more protein

Forms

  • Concentrate
  • Isolate
  • Hydrolysate
  • Powder (concentrate)· 70/100

Safety

Common side effects

  • GI upset in lactose intolerant
  • Bloating

Contraindications

  • Milk allergy

Products containing Whey Protein

Top-scoring supplements in our catalog that list Whey Protein on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

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Evidence notes

Extensive research supporting muscle building

Grade A: Multiple well-designed human trials support the main claims.

Whey Protein compared head-to-head

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.