Quick answer: Maca at 1.5 to 3 g a day improved desire scores modestly after 6 to 12 weeks in small trials, without changing testosterone. Panax ginseng root has a few trials showing modest gains in vitality and sexual function scores. Both need weeks, and ginseng can interact with medicines.
Maca
A Peruvian root vegetable, eaten as food for centuries. Effects in trials were small and slow.
Panax ginseng
Korean red ginseng root is the best studied. It may lower blood sugar and interact with warfarin. NCCIH on ginseng.
Testosterone
Neither has been shown to raise testosterone in healthy men.
Bottom line
Reasonable ingredients for a vitality formula, with modest expectations.
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General information, not medical advice. Jelly Rock is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.