ING-028Ingredient Research Profile

Protein & Amino Acids

Taurine

●●○Moderate Evidence

A conditionally essential amino acid with underrated evidence. Reduces exercise-induced oxidative stress, improves endurance, and is deficient in vegetarian diets.

Effective Dose

1–3g / day

per clinical evidence

Evidence Level

Moderate

Protein & Amino Acids

Mechanism

Osmolyte, antioxidant, calcium signalling modulation

primary action

Best For

Endurance

Muscle cramping, Cardiovascular health, Focus

This profile is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare professional before starting any supplementation, especially if you have pre-existing conditions or take medications.

What Is Taurine?

Taurine is a sulphur-containing amino acid (technically a sulphonic acid) found abundantly in heart, skeletal muscle, and brain tissue. It is not incorporated into proteins but plays key roles as an osmolyte, antioxidant, and neuromodulator. Vegetarians and vegans have significantly lower plasma taurine due to its exclusive presence in animal foods.

How It Works: The Science

As an osmolyte, taurine stabilises cell membranes under osmotic stress during exercise. It modulates intracellular calcium handling in muscle, improving contractile efficiency. It scavenges hypochlorous acid (a potent oxidant from neutrophil activity) and activates GABA receptors in the CNS, contributing to its calming focus-enhancing properties.

Primary Mechanism

Osmolyte, antioxidant, calcium signalling modulation

Evidence-Based Benefits

Improves endurance exercise capacity

moderate

Balshaw et al. (2013) — 1g/day for 7 days improved 3km run time by 1.7% vs placebo

Reduces oxidative stress markers post-exercise

moderate

Zhang et al. (2004) — significant reductions in MDA and 8-OHdG after eccentric exercise

May reduce muscle cramps in athletes

limited

Observational data suggests taurine depletion is associated with cramping; supplementation data limited

Supports cardiovascular health at therapeutic doses

moderate

Yamori et al. (2010) — population studies link taurine intake to lower CVD risk

Dosage Guide

Effective Dose

1–3g / day

1–3g/day. Often included in pre-workouts at 1–2g. Standalone supplementation at 3g/day is well supported for endurance performance. Can be taken any time — no acute timing benefit shown.

Safety Profile & Side Effects

Extremely safe. Studies in populations consuming very high dietary taurine show no adverse effects. The 'Red Bull myth' (taurine comes from bull testicles) is false — commercial taurine is synthetically produced.

Who Should (and Shouldn't) Take It

Best for

EnduranceMuscle crampingCardiovascular healthFocus

Who it's for

Endurance athletes, vegetarians and vegans (lowest dietary taurine), those susceptible to cramping, and anyone in a pre-workout stack where 1–2g provides cost-effective support.

Frequently Asked Questions

What is the recommended dose of Taurine?

1–3g/day. Often included in pre-workouts at 1–2g. Standalone supplementation at 3g/day is well supported for endurance performance. Can be taken any time — no acute timing benefit shown.

Is Taurine safe?

How does Taurine work?

Who should take Taurine?

Endurance athletes, vegetarians and vegans (lowest dietary taurine), those susceptible to cramping, and anyone in a pre-workout stack where 1–2g provides cost-effective support.

Related Ingredients

Beta-Alanine Magnesium (Glycinate / Malate)L-Citrulline / Citrulline Malate

Medical Disclaimer

Ingredient profiles are for informational purposes only and do not constitute medical advice. Consult a qualified healthcare professional before starting any supplementation, especially if you have pre-existing conditions or take medications. Full disclaimer →