Efficacy of a Botanical Supplement with Concentrated Echinacea purpurea for Increasing Aerobic Capacity.

The present investigation evaluated the efficacy of a botanical supplement that delivered a concentrated dose of Echinacea purpurea (8 grams day(-1)). The participants were 13 apparently healthy, recreationally active college students (VO2 max: 51 mL O2/kg∗min). The participants were provided with a 30-day supplementation regime.