Taurine Supplements UK 2026: Buying Guide

Dose, form and what the 2023 Science paper means for supplement buyers.

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TL;DR: Taurine declines with age and a 2023 Science paper showed striking effects in mice, monkeys and humans. Human supplementation trials are small. Typical doses are 500 mg–3 g/day. Taurine is cheap, safe and widely available.

🐢 Tortoise Wisdom"Taurine is one of the safest longevity bets on cost alone, but it is not yet proven to extend human life."

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1. What Is Taurine?

Taurine is a sulfur-containing amino acid found in meat, seafood and energy drinks. It supports cardiovascular, metabolic and immune function. Read our taurine and ageing evidence review.

2. Dose and Form

  • Common dose: 500 mg–2 g/day, often in divided doses.
  • Form: free taurine powder or capsules are standard.
  • Energy drinks: contain taurine but also sugar/caffeine; not a health strategy.

3. Buying Checklist

  • Free taurine: not taurine bound in protein or mixed into proprietary blends.
  • Amount per serving: clearly stated.
  • Powder: cheapest option if you can measure it.
  • COA: standard.

4. Safety

Taurine has a very good safety record. Very high doses (>3 g/day) may cause GI upset. Caution in people with kidney disease.