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Amino acid derivative

Taurine

Taurine is an amino sulfonic acid that the body can make itself. Unlike protein-building amino acids, it is not built into proteins.

Also listed as 2-aminoethane sulphonic acid, L-Taurine

CardiovascularLongevityImmune SupportEnergySleep

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Blood pressureCardiovascularModerateA3 studies
Cholesterol balanceCardiovascularModerateBNo linked study
Oxidative stressLongevityModerateBNo linked study
Immune SupportModerateBNo linked study
Physical EnergyEnergySmallBNo linked study
Sleep qualitySleepSmallCNo linked study
All 7 rated effectsGrouped by health goal, with the publications behind each rating

What is taurine?

Taurine is an amino sulfonic acid that the body can make itself. Unlike protein-building amino acids, it is not incorporated into proteins. Healthy adults generally do not need a supplement to meet a nutritional requirement. 1

Key studies

The most recent publications linked to Taurine's ratings.

The effects of taurine supplementation on obesity, blood pressure and lipid profile: A meta-analysis of randomized controlled trials.2020The Effects of Oral Taurine on Resting Blood Pressure in Humans: a Meta-Analysis2018Taurine Supplementation Lowers Blood Pressure and Improves Vascular Function in Prehypertension: Randomized, Double-Blind, Placebo-Controlled Study2016

Why people take it

Energy20.3%
Essential Health17.1%
Fitness15.8%
Cognition13.9%
Immune Support9.1%
Weight Management4.2%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Questions people ask

Does taurine extend human lifespan?

The cited animal and biomarker research does not establish human life extension. 2

Are study doses daily requirements?

No. Trial doses describe interventions in selected populations, not a nutritional target for everyone. 3

Do blood-pressure findings prove cardiovascular protection?

No. Lower measured blood pressure is a promising intermediate outcome; the meta-analysis does not establish fewer cardiovascular events. 4

Sources