Lycopene, the red pigment in tomatoes, is one of the body's most effective neutralizers of cell-damaging molecules. Its most dependable effect is reducing that damage; tomato-rich diets track with lower heart disease and stroke risk. Whole tomato foods, cooked with a little fat, outperform isolated supplements. Safety is strong, the main excess effect being a harmless orange skin tint. (Full Review)

Protocol

Daily Dose

10–30 mg

Above 30 mg adds little proven benefit

Preferred Form

Cooked tomato

Paste, sauce, juice; ~2 tbsp paste ≈ 15 mg

Take With

Fatty meal

5–15 g fat; once daily maximizes absorption

Time to effect

Oxidative Markers

Weeks

Antioxidant effect builds with steady intake

Blood Pressure

Weeks–months

Several weeks of consistent use

Skin Sun Resistance

10–12 weeks

Reduced UV-induced redness

Benefits

High: Reduced oxidative stress and LDL oxidation

Medium: Blood pressure reduction; lower cardiovascular disease and stroke risk; reduced prostate cancer risk; skin photoprotection against UV damage

Low: Improved lipid profile; better metabolic and glycemic markers; improved male fertility and sperm quality; benefit in oral potentially malignant disorders

Speculative: Cognitive protection and lower dementia risk; extended lifespan and lower all-cause mortality

Contraindications

Pregnancy (high-dose supplements)

Scheduled surgery within ~2 weeks (high-dose supplements)

Key Interactions

Bile-acid sequestrants (cholestyramine, colestipol)

Lipase inhibitors (orlistat)

Plant sterol/stanol products and fat-blocking agents

Competing carotenoids (high-dose beta-carotene or lutein)

Antihypertensive drugs (amlodipine, lisinopril, losartan) and blood-pressure-lowering supplements (garlic, magnesium, beetroot/nitrate)

Anticoagulant/antiplatelet drugs (warfarin, clopidogrel, aspirin)

Risk & Side Effects

High: Lycopenodermia

Medium: Gastrointestinal disturbances

Low: Additive blood-pressure lowering; theoretical increased bleeding tendency

Speculative: Adverse pregnancy outcomes at high supplemental doses; pro-oxidant activity at supraphysiologic doses

Monitoring

Marker	Target	Why
Systolic blood pressure	110–120 mmHg	Tracks lycopene's main cardiovascular effect
LDL cholesterol	< 100 mg/dL	Detects modest lipid effects
hs-CRP	< 1.0 mg/L	Gauges the anti-inflammatory response
Fasting blood glucose	75–90 mg/dL	Captures small glycemic effects
Oxidized LDL	Lower is better	Directly reflects lycopene's antioxidant action
Plasma/serum lycopene	Higher within normal	Confirms absorption and adherence
PSA	< 1.0–2.5 ng/mL	Context for men pursuing prostate goals

Cadence: Baseline, ~3 months after starting, then every 6–12 months

Qualitative Assessment

Improved skin resilience to sun (less rapid reddening)
Absence of benign orange-yellow skin discoloration (intake within a moderate range)
General energy and well-being within a plant-rich diet

Lycopene for Health & Longevity

Protocol

Benefits

Risk & Side Effects

Monitoring

Qualitative Assessment