Taurine: evidence, dose and safety

Taurine is an amino acid made in the body and found in meat, fish and dairy. It is not used to build proteins.

At a glance

Strongest evidence: C Limited
Adult upper limit: 3 g a day from food and supplements together
Safety checks: 2 situations and 0 medicine or supplement interactions, checked against your answers in every plan
Reviewed: Atrum Labs clinical team (MD, PhD), November 2026

What the research looked at

Each line is one body of research, graded A (strong) to D (weak). How we grade evidence. What each study measured is explained in your personal plan.

Grade	Who was studied	References
C	Adults with cardiometabolic risk factors	Tzang CC et al. Nutr Diabetes 2024;14:29 (25 RCTs; PMID 38755142) Nie Z et al. Nutr Rev 2026;84:2028-51 (34 RCTs; PMID 41275513)
D	Middle-aged and older adults	Singh P et al. Science 2023;380:eabn9257 (mice, monkeys; human data observational)

How much

Adult upper limit: 3 g a day from food and supplements together. Source: Observed safe level 3 g a day (Shao A & Hathcock JN, Regul Toxicol Pharmacol 2008); EFSA ANS Panel 2009.
Children's doses are set by age, and some ingredients are for adults only.

Who should not take it, or should check first

Not suitable. Supplemental taurine doses have not been studied in pregnancy or breastfeeding.
A clinician checks first. Taurine is cleared by the kidneys; supplemental doses are not studied in kidney disease.

Products with Taurine

Taurine 1.5 g

Written and reviewed by the Atrum Labs clinical team (physician-scientists, MD, PhD) from our clinical knowledge base, version 0.2.0-draft. This page is general information, not medical advice. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle.

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