Carotenoid antioxidant used for skin and eye support.
TrustedSupp Tier System™ · Tier 4Take by choice, or not at all
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
42/100Limited
WEAKLIMITEDMODERATESTRONGVERY STRONG
What the evidence supports: skin elasticity and UV tolerance in small trials.
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
Twelve weeks to judge skin effects.
Who it's actually for
People interested in skin photoprotection, with modest expectations.
Safe upper limit
Unverified
No formal limit; 4–12 mg daily in trials
Well tolerated. Very high intakes can tint the skin slightly.