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Whey vs Plant Protein

Whey comes from milk; plant protein from soy or pea. Choose by dairy allergy and dietary preference.

midori-whey-1kg

Source
Milk (whey)
Diet
Contains milk
Sample price
from ¥3,480

green-pea-protein-1kg

Source
Pea
Diet
Vegan-friendly
Sample price
from ¥3,980

Verdict

Plant protein suits dairy-avoiders; whey is often chosen for cost (sample prices).

Last reviewed: June 28, 2026 · SapuriApuri editorial team