Taurine
2 g · Daily

Robert
Founder, F*CK Getting Old — independent researcher, not a medical professional.
Last reviewed · 1 cited source
Evidence
- Human Studies
- 40
- Animal Studies
- 50
- Clinical Status
- Dietary Supplement
- Confidence
- Low
- Long-Term Safety
- Well-tolerated in the human trials that exist (mostly athletic performance, not longevity); the longevity-specific evidence generating recent interest is still primarily animal data
What this score is: a measure of how much research exists and how far along it is (animal-only vs. human trials, research-stage vs. FDA approved) — not how safe, effective, or worth trying a compound is. A low score usually means “early stage” or “understudied,” not “bad.” A high score doesn’t mean “better” for your goals than a lower-scored one.
This is not my personal rating of the compound, not a recommendation, and not medical advice. It’s a general research synthesis for informational purposes only, not a live literature count. See the linked research and talk to a licensed clinician before making decisions based on it.
Mechanism
Taurine is a conditionally essential amino acid involved in bile salt formation, cellular osmoregulation, and antioxidant defense. A widely covered 2023 animal study found declining taurine levels correlated with aging markers and that supplementation extended healthspan in mice — human evidence for longevity specifically is still very preliminary despite the popular press coverage.
Common Protocols
- 1–3 g daily, commonly split into doses
- Athletic-performance trials have used similar doses around exercise
Side Effects
- Generally very well-tolerated
- Mild GI upset at high doses
Interactions
- No well-characterized interactions at standard doses
Practical Details
- Cost
- $
- Typical Dose
- 2 g
- Storage
- Store in a cool, dry place
Key Studies & Reviews
- Singh P et al. (2023). Taurine deficiency as a driver of aging. Science. PMID 37289866.
Search the Research
Taurine FAQ
What is the typical Taurine dosage?
Commonly reported protocols: 1–3 g daily, commonly split into doses; Athletic-performance trials have used similar doses around exercise. Our reference entry uses 2 g, Daily. These reflect protocols reported in research and user communities, not a medical recommendation — dosing should be decided with a clinician.
What are the side effects of Taurine?
Reported side effects include: Generally very well-tolerated; Mild GI upset at high doses.
Is Taurine FDA approved?
Taurine is sold as a dietary supplement. The FDA does not approve supplements for safety or effectiveness before they are sold, so third-party tested brands are worth seeking out.
How much research is there on Taurine?
Our evidence profile counts roughly 40 human and 50 animal studies, with low overall confidence. Long-term safety: Well-tolerated in the human trials that exist (mostly athletic performance, not longevity); the longevity-specific evidence generating recent interest is still primarily animal data.
Does Taurine interact with other drugs or supplements?
No well-characterized interactions at standard doses.
Related compounds
Amino acid with renewed longevity research interest; also a common energy-drink ingredient at much lower doses