Source: Examine.com — Panax Ginseng — 200–400 mg/day of a standardized (~4% ginsenosides) extract for cognition/energy.
A classic adaptogen used for energy, cognition and vitality.
Ginsenosides modulate the stress response and nitric-oxide signaling.
Generally safe. Can be stimulating — may cause insomnia or headache. Look for standardized ginsenoside content.
| Per serving | |
|---|---|
| Typical branded single-ingredient product | $0.58 |
| Bulk powder at the clinical dose (250g extract, $33.97) | $0.05 |
Buying bulk powder instead of a branded bottle saves about 91% per serving.
Bulk price: $33.97/250g → Alt source: $14.99/125gEducational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.