Lycopene
Supplements · Antioxidants · Supplement, Typed Supps
The red pigment that gives tomatoes their color, and one of the more studied dietary antioxidants — though it works better as food than as a stand-alone cure.
Stage by stage
- Intake (Softgel or tomato-based food): Best absorbed alongside a meal containing fat.
- Small intestine (Absorbed): Taken up via micelle formation, requiring dietary fat.
- Bloodstream (Lipoprotein-bound): Carried through the blood attached to lipoproteins.
- Tissue accumulation (Prostate, skin, liver): Concentrates in select tissues where its antioxidant activity is studied.
What the evidence supports
- Neutralizing singlet oxygen and free radicals as a dietary antioxidant — moderate evidence. Lycopene is one of the most potent carotenoid antioxidants measured in lab assays, and diets rich in tomato products are consistently linked to lower markers of oxidative stress. This is a well-supported mechanistic and observational finding, though it doesn’t by itself prove disease prevention.
- Lowering prostate cancer risk or slowing PSA progression — limited evidence. Higher dietary lycopene intake is associated with modestly lower prostate cancer risk in observational studies, and a couple of small trials found reduced PSA rise with 15 mg/day. But systematic reviews note only a handful of randomized trials exist, several with high risk of bias, so this isn’t settled.
- Reducing cardiovascular risk markers like LDL oxidation or blood pressure — limited evidence. Some trials show modest improvements in blood pressure or lipid oxidation with tomato-derived lycopene, but whole tomato products often outperform isolated lycopene supplements, suggesting other tomato compounds contribute to the effect.
Typical dose
10–30 mg/day in supplement trials, often as a softgel with oil for absorption since it’s fat-soluble
Upper limit: No established UL, though chronic intakes above roughly 30 mg/day have been linked to lycopenemia
Timing
Take with a fat-containing meal for better absorption.
Time to effect
- Days: Blood levels rise within days of consistent intake.
- Months: Any effect on disease-related endpoints requires months of consistent intake and is still not firmly established.
Common myth
"Lycopene supplements are a proven way to prevent prostate cancer." In reality: The link comes mostly from observational studies of tomato-rich diets; randomized supplement trials are few, small, and mixed in quality, so this isn’t settled science.
Food sources
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