Water bottle, blackcurrants, turmeric, and a running cap arranged for an article about supplements and heat training.

Can Supplements Help You Train in the Heat?

Outside · April 24, 2026

Berberine, curcumin, and blackcurrant may influence indirect markers such as heart rate, inflammation, or blood-vessel function, but the evidence is still small and controlled. My central point was practical: hydration, acclimatization, pacing, and heat-safety planning matter far more than any supplement.

Read the original article