Source: Examine.com — Rhodiola Rosea — 200–600 mg/day of a standardized (3% rosavins) extract for fatigue/stress.
An adaptogenic herb from cold climates, used for fatigue and stress resilience.
Modulates stress hormones and monoamine neurotransmitters like serotonin and dopamine.
Generally safe. Can be stimulating — take it in the morning; rare irritability or vivid dreams. Look for ~3% rosavins / 1% salidroside standardization.
| Per serving | |
|---|---|
| Typical branded single-ingredient product | $0.58 |
| Bulk powder at the clinical dose (250g 3% salidroside, $29.97) | $0.06 |
Buying bulk powder instead of a branded bottle saves about 90% per serving.
Bulk price: $29.97/250g → Alt source: $15.99/125gEducational 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.