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Amino acidsWeak evidence

Rice protein

Also known as: brown rice protein

Rice protein is extracted mainly from brown rice and is hypoallergenic, gluten-free and soy-free. It is lower in lysine, so it is often combined with pea protein.

What it is used for

  • protein top-up with allergies or on a plant-based diet – weak to moderate evidence
  • muscle support with training – weak evidence, small studies

Forms and how they differ

brown rice concentrate/isolate

about 75–80% protein, slightly gritty texture

blended with pea

better amino-acid profile

When to take it

After training or between meals.

Pairs well with

Pea protein, fruit, plant drinks.

Do not combine / separate

Do not rely on it as your only protein source because of lower lysine.

Watch out for

Rice may contain arsenic – choose products tested for heavy metals, especially in pregnancy. With kidney or liver disease, discuss higher protein intake with your doctor.

Safety

Safe for healthy people within normal total protein intake; do not exceed the label dose.

Practical tip

Look for a manufacturer who publishes heavy-metal analysis for each batch.

Products containing Rice protein 1

Rice protein brown ricebrown riceMusclesRecovery
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

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Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.