Overview
Conditionally essential amino acid involved in bile salt conjugation, osmoregulation, and cardiac function.
- Shellfish
- Dark poultry meat
- Energy drinks
- Taurine
Forms & variants of Taurine
Different chemical forms of Taurine behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Membrane stabilizer; modulates calcium handling; bile acid conjugation; antioxidant.
- · Osmoregulation
- · Bile salt conjugation
- · Calcium handling
Effects on the body
Organ system effects
Improves outcomes in HFrEF.
May reduce exercise-induced damage.
Evidence-based benefits
Reduces BP and improves heart failure markers
Moderate evidenceModestly improves endurance
Limited evidencePotential side effects
- · Taurine is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Supplement interactions
- CaffeineCommon pairing in energy drinks.
- MagnesiumBoth calm CNS.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified Taurine — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Taurine third party tested NSF
CapsulesPre-measured Taurine capsules — easiest for travel and consistent daily dosing without scoops or scales.Taurine capsules
PowderBulk unflavored Taurine powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Taurine powder unflavored
Best sellersMost-purchased Taurine products on Amazon — a quick way to see what's reviewed widely before you commit.Taurine best sellerScientific evidence9Show studiesHide studies
Taurine on exercise performance: a meta-analysis
Waldron M, et al.
Meta-analysis of acute taurine on performance.
Small but significant ergogenic effect on endurance.
PubMed: Taurine — Reduces BP and improves heart failure markers
Live PubMed search
Live results for "Taurine Reduces BP and improves heart failure markers" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "Reduces BP and improves heart failure markers". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — Modestly improves endurance
Live PubMed search
Live results for "Taurine Modestly improves endurance" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "Modestly improves endurance". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — randomized controlled trial
Live PubMed search
Live results for "Taurine randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — meta-analysis
Live PubMed search
Live results for "Taurine meta-analysis" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — pharmacokinetics
Live PubMed search
Live results for "Taurine pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — safety adverse events
Live PubMed search
Live results for "Taurine safety adverse events" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.
PubMed: Taurine — dose response
Live PubMed search
Live results for "Taurine dose response" across the PubMed/MEDLINE peer-reviewed index.
Opens current human and preclinical literature matching Taurine and "dose response". Filter by RCT, meta-analysis, or year on the results page.
Google Scholar: Taurine — clinical evidence
Live Scholar search
Cross-database citation index for Taurine as it relates to "clinical evidence".
Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.