Studied for fatigue and burnout; usually taken in the morning.
TrustedSupp Tier System™ · Tier 3Take as a defined course
Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.
Evidence strength
45/100Limited
WEAKLIMITEDMODERATESTRONGVERY STRONG
What the evidence supports: fatigue in small trials of variable quality.
This scores how well-supported the claim above is — not how much benefit you personally would get. A high score on a narrow claim does not extend to everything the product is marketed for.
How long to take it
Short courses of four to twelve weeks.
Who it's actually for
People with stress-related fatigue rather than a medical cause of tiredness.
Safe upper limit
Unverified
No formal limit; 200–600 mg extract daily in trials
Can be activating enough to disrupt sleep or trigger agitation.