What Is the Best Mushroom for Lowering Cortisol?
QUICK ANSWER Reishi is the best-evidenced mushroom for cortisol modulation based on its mechanism and the available research. A 2026 randomised controlled trial testing a five-mushroom blend that included reishi showed measurable reductions in serum cortisol over twelve weeks, though that result cannot be attributed to reishi alone. The critical detail: reishi’s cortisol-relevant compounds are…
