Taurine

Taurine is an amino acid that the body produces in modest amounts and supplements from animal-source foods. It's been a sports nutrition staple for decades (the active in Red Bull and most energy drinks at 1,000 mg/can), but until recently its supplement positioning was narrow. Endurance, hydration, and a vague "performance" story. That changed in 2023 when Vijay Yadav's group at Columbia published the Science paper showing that taurine levels decline with age, and that taurine supplementation extends healthspan and lifespan in mice and monkeys. The longevity category latched onto it within weeks.

The research isn't just the longevity paper. There's a deep clinical file on cardiovascular outcomes (taurine modulates blood pressure, heart rate variability, and arrhythmia risk), on glycemic control in diabetes, and on liver function. Pooled meta-analyses support modest blood-pressure reductions and exercise-performance benefits. The safety profile is unusually clean. Taurine has GRAS status in the US for beverage use, decades of high-dose human exposure data, and almost no clinical concerns at supplement doses up to 6 g/day.

For formulators, taurine is a dream ingredient: tasteless to mildly sweet, water-soluble, heat-stable, inexpensive, and compatible with almost everything else. The hard part isn't the formulation; it's positioning. Generic "taurine" doesn't sell. It has to be either a longevity stack ingredient, a cardiovascular product, or a positioned energy/recovery component. We're seeing it land in three formats now: 2–4 g doses in longevity stacks (often paired with creatine, glycine, or NAD precursors), 500–1,000 mg in cardiovascular blends, and 1–2 g in clean-energy beverages and pre-workout formulas.