Best for Muscle
Best Brown Rice Protein for Muscle
Rankings coming soon · Reviewed May 2026 · 25–48 g clinical dose
Why Brown Rice Protein for Muscle
Brown Rice Protein plays a important role in muscle. Brown rice protein is a complete-but-leucine-light plant protein. Joy 2013 PMID 23782948 (n=24, 8 weeks resistance training) showed equivalent body composition and strength gains vs whey at 48 g/day post-exercise — but this is a single, small, single-center RCT, so the evidence base is thinner than whey or soy. In clinical studies, brown rice protein equivalent muscle gains vs whey at 48 g/day in 8-week RCT (Joy 2013).
What dose to look for
Clinical studies typically use 25–48 g of brown rice protein. Joy 2013 (PMID 23782948) used 48 g rice protein isolate post-exercise (3x/week, 8 weeks) and found equivalent body composition and strength changes vs whey at the same dose. Higher absolute dose than whey/soy is needed because rice protein delivers ~5% leucine vs whey's 10-12%. Products below this range may not deliver meaningful results.
What the research says
Brown Rice Protein has moderate clinical evidence for muscle benefits. Joy 2013 PMID 23782948 (n=24, 8 weeks) showed equivalence to whey at 48 g/day — single RCT, moderate scope; lower leucine density requires higher dosing Learn more