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evidence · mechanism · dose
Supplements/Amino Acid

Taurine

Conditionally essential amino acid involved in bile salt conjugation, osmoregulation, and cardiac function.

Cardiovascular HealthAthletic PerformanceEnergy ProductionHealthy Aging

Overview

Conditionally essential amino acid involved in bile salt conjugation, osmoregulation, and cardiac function.

Natural sources
  • Shellfish
  • Dark poultry meat
  • Energy drinks
Common forms
  • Taurine

Forms & variants of Taurine

Different chemical forms of Taurine behave differently. Browse each form's mechanism, bioavailability, and best-use context.

Longevity dose
Taurine (High-Dose)

Conditionally essential amino acid with longevity and metabolic effects.

Mechanism of action

Membrane stabilizer; modulates calcium handling; bile acid conjugation; antioxidant.

Pathways
  • · Osmoregulation
  • · Bile salt conjugation
  • · Calcium handling

Effects on the body

Decreases
Blood pressure (mild)
Supports
Cardiac contractility

Organ system effects

Cardiovascular

Improves outcomes in HFrEF.

Skeletal Muscle

May reduce exercise-induced damage.

Evidence-based benefits

Reduces BP and improves heart failure markers

Moderate evidence

Modestly improves endurance

Limited evidence

Potential side effects

Common
    Rare
      Serious

        Drug interactions

        Lithium
        Mild diuretic-like effect.
        minor

        Supplement interactions

        Pairs well with
        • Caffeine
          Common pairing in energy drinks.
        • Magnesium
          Both calm CNS.
        Avoid combining with

        No specific avoidances listed.

        Dosing & bioavailability

        Typical dose
        1–3 g
        Study range
        1–6 g

        Where to buy

        Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

        Amino Acid
        Taurine
        Amazon
        Wide selection · fast shipping
        Amino Acid
        Taurine
        iHerb
        Global delivery · curated brands
        Amino Acid
        Taurine
        Thorne
        Practitioner-grade · NSF tested

        Scientific evidence (9)

        Meta-analysisSports Med · 2018

        Taurine on exercise performance: a meta-analysis

        Waldron M, et al.

        Meta-analysis of acute taurine on performance.

        Key findings

        Small but significant ergogenic effect on endurance.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        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.

        Key findings

        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.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — Modestly improves endurance

        Live PubMed search

        Live results for "Taurine Modestly improves endurance" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "Modestly improves endurance". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — randomized controlled trial

        Live PubMed search

        Live results for "Taurine randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — meta-analysis

        Live PubMed search

        Live results for "Taurine meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — pharmacokinetics

        Live PubMed search

        Live results for "Taurine pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — safety adverse events

        Live PubMed search

        Live results for "Taurine safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewPubMed (NLM) · 1970

        PubMed: Taurine — dose response

        Live PubMed search

        Live results for "Taurine dose response" across the PubMed/MEDLINE peer-reviewed index.

        Key findings

        Opens current human and preclinical literature matching Taurine and "dose response". Filter by RCT, meta-analysis, or year on the results page.

        Open study
        Systematic reviewGoogle Scholar · 1970

        Google Scholar: Taurine — clinical evidence

        Live Scholar search

        Cross-database citation index for Taurine as it relates to "clinical evidence".

        Key findings

        Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

        Open study
        Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.