Whey vs Plant Protein: Which Is Better?
Whey and plant proteins can both build muscle, but whey is a complete protein with more leucine, while plant sources often need blending. Aim for slightly more plant protein,…
Calculate Your Protein IntakeWhey digests quickly and is rich in leucine, the amino acid that triggers muscle protein synthesis, which makes it very effective per gram. Most single plant proteins are lower in one or more essential amino acids, so blends such as pea plus rice, or simply eating a variety, close the gap.
For a plant-based diet, a slightly higher total protein intake and a mix of sources deliver the same muscle-building results. Choose based on your diet, digestion and preference; both work when your overall protein target is met.
- Whey is complete and high in leucine
- Blend plant sources like pea and rice for full amino acids
- Plant-based diets: aim slightly higher, 1.7-2.3 g/kg
- Both build muscle when total protein is adequate
Quick Reference
- General health (sedentary): 0.8–1.0 g/kg body weight
- Weight loss: 1.6–2.2 g/kg to preserve muscle in a deficit
- Muscle gain: 1.8–2.5 g/kg depending on training experience
- Athletic performance: 2.0–3.1 g/kg
- Spread intake across 4–5 meals of 25–40g each for best results
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