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Taurine

Taurine

Best for

Sharpen focus and mental stamina

Promising early signal · 1000–3000 mg/day · 2 studies , n=68

33 papers · 1 claim · 90 outcomes scored · 1 positive

Outcomes

What taurine actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect Evidence Dose Weeks Rank
Sharpen focus and mental stamina Promising early signal
moderate 		2 RCTs n=68 1000–3000 mg — —
Buy well

Recommended Taurine products

Real products that dose Taurine where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.

Chosen for adequate Taurine dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.

Risk profile

Adverse events and known drug interactions

Safety events

nausea mild
difficulty swallowing mild
gastrointestinal discomfort mild
headache mild
fatigue mild
retinal_degeneration
vomiting
diarrhoea

Drug interactions

Vigabatrin major decreases effect
Ibuprofen moderate decreases effect
Digoxin moderate additive
Doxorubicin moderate decreases concentration
Aspirin moderate increases effect
Chlorpromazine moderate decreases effect
other moderate decreases effect
Metformin moderate increases effect
Sitagliptin moderate increases effect

Co-studied with

Supplements that share evidence with taurine

Sources

  1. 1. Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study. (2022) ↑
  2. 2. Effects of energy drink major bioactive compounds on the performance of young adults in fitness and cognitive tests: a randomized controlled trial. (2014) ↑
  3. 3. Insights into the cardiovascular benefits of taurine: a systematic review and meta-analysis. (2024) ↑
  4. 4. The effect of acute taurine ingestion on 4-km time trial performance in trained cyclists. (2016) ↑
  5. 5. The Effects of Caffeine, Taurine, or Caffeine-Taurine Coingestion on Repeat-Sprint Cycling Performance and Physiological Responses. (2017) ↑
  6. 6. Oral taurine improves critical power and severe-intensity exercise tolerance. (2019) ↑
  7. 7. Taurine supplementation enhances anaerobic power in elite speed skaters: A double-blind, randomized, placebo-controlled, crossover study. (2023) ↑
  8. 8. Caffeine and taurine: a systematic review and network meta-analysis of their individual and combined effects on physical capacity, cognitive function, and physiological markers. (2025) ↑
  9. 9. Dose-response relationship of taurine on endurance cycling performance under hot and humid conditions. (2025) ↑
  10. 10. The Effects of TRX Suspension Training Combined with Taurine Supplementation on Body Composition, Glycemic and Lipid Markers in Women with Type 2 Diabetes. (2021) ↑

Generated August 14, 2026

Related

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