Korean red ginseng (fermented)

Tier 3 — weak evidence · Sexual health · Energy · Immunity

Heat-processed and fermented form of Panax ginseng that converts ginsenosides into more bioavailable forms. Multiple Korean trials show significant improvement in erectile function and libido in men. Also modestly boosts immune cell activity. The fermented form may absorb better than standard ginseng. May interact with blood thinners, diabetes drugs, and stimulants.

Dose: 1–3 g/day fermented Korean red ginseng; avoid with warfarin and stimulants