Antioxidants

Evidence: Limited

Lycopene is the red carotenoid in tomatoes. A systematic review could neither support nor refute it for enlarged prostate or prostate cancer, and a 20...

Evidence: Moderate

Lutein is a yellow carotenoid that concentrates in the macula. Supplements reliably raise macular pigment, and lutein is part of the AREDS2 formula st...

Evidence: Moderate

Zeaxanthin is a carotenoid that, with lutein, forms the macular pigment at the center of the retina. It is part of the AREDS2 formula for people with ...

Evidence: Preliminary

Fucoxanthin is an orange pigment from brown seaweed. Small human studies have looked at body weight and metabolic markers, but there is no meaningful ...

Evidence: Preliminary

Glutathione is the body's main cellular antioxidant. Oral supplements can raise body stores at 250 to 1,000 mg a day, and a small pilot study in fatty...

Evidence: Limited

Alpha-lipoic acid is an antioxidant made in small amounts by the body and studied mainly for diabetic nerve pain. It appears safe in trials, but evide...

Evidence: Preliminary

Maqui berry is a dark purple Chilean fruit rich in anthocyanins. Small human trials suggest effects on oxidative stress markers and after-meal blood s...

Evidence: Limited

Haematococcus is a red microalga and the main natural source of astaxanthin, a carotenoid antioxidant. Trials show mild effects on oxidative stress ma...

Evidence: Limited

Green tea catechins and caffeine may slightly affect body weight, but a Cochrane review found the effect too small to be clinically important. Concent...