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Types of Whey Protein: Forms & Bioavailability

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Whey Protein Concentrate (WPC)HighGeneral use, best value — 70-80% protein with some lactose and fat
Whey Protein Isolate (WPI)HighLactose intolerance, lean dieting — 90%+ protein, minimal lactose
Whey Protein HydrolysateVery HighFastest absorption, medical nutrition — pre-digested peptides
Native WheyHighPremium option — extracted directly from milk (not cheese byproduct), higher leucine

Whey Protein Concentrate (WPC)

Bioavailability: High. Best for: General use, best value — 70-80% protein with some lactose and fat.

Whey Protein Isolate (WPI)

Bioavailability: High. Best for: Lactose intolerance, lean dieting — 90%+ protein, minimal lactose.

Whey Protein Hydrolysate

Bioavailability: Very High. Best for: Fastest absorption, medical nutrition — pre-digested peptides.

Native Whey

Bioavailability: High. Best for: Premium option — extracted directly from milk (not cheese byproduct), higher leucine.

References

  1. (). A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine. DOI
  2. (). Ingestion of whey hydrolysate, casein, or soy protein isolate: effects on mixed muscle protein synthesis at rest and following resistance exercise in young men. Journal of Applied Physiology. DOI
  3. (). The effect of protein timing on muscle strength and hypertrophy: a meta-analysis. Journal of the International Society of Sports Nutrition. DOI
  4. (). International Society of Sports Nutrition Position Stand: protein and exercise. Journal of the International Society of Sports Nutrition. DOI
  5. (). Supplemental protein in support of muscle mass and health: advantage whey. Journal of Food Science. DOI