A small resistance-training comparison used 48 g/day for 8 weeks
Reviewed · Published
Rice protein
A lower-lysine plant protein that can complement legume proteins.
Established functions
- A lower-lysine plant protein that can complement legume proteins.
Dietary sources
- brown rice
- rice
Claims and evidence
Claims that Rice protein alone prevents or treats disease, or invariably improves health without deficiency, are unsupported.
Japanese reference amounts
- Japanese adults (age and sex as specified): No ingredient-specific DRI; adult total-protein goal is 1.0 g/kg/day
Amounts studied
- A small resistance-training comparison used 48 g/day for 8 weeks
Tolerable upper limits
- No specific UL; consider total protein and heavy-metal quality
Forms and bioavailability
Supplement forms: brown rice isolate, rice concentrate
- Enzymatic processing concentrates protein; lysine is limiting when used alone.
Safety and interactions
Adverse effects
- gastrointestinal discomfort
- rare rice allergy
Medicine and nutrient interactions
- few established medicine interactions
Contraindications and cautions
- Avoid with rice allergy and select independently tested products.
Practical selection
- Compare Rice protein amount per serving, form, allergens, and batch testing; prefer a single-ingredient product suited to the intended use.
Sources and review
- Protein intake and exercise position standInternational Society of Sports Nutrition
Daiki Minaki (editorial and evidence review) ·