Superfoods

Evidence: Preliminary

Red raspberry is a fiber and polyphenol rich berry. Early research looks at blood sugar and metabolic markers, but human trials are few, and there are...

Evidence: Preliminary

Purple carrot is a carrot variety rich in anthocyanin pigments. Lab studies show antioxidant activity, but human absorption is very low and there are ...

Evidence: Preliminary

Goji berries are rich in polysaccharides and zeaxanthin. Small trials suggest benefits for eye pigment and self-rated well-being, but there is no good...

Evidence: Preliminary

Wakame is a brown seaweed common in miso soup. It contains iodine, fucoidan and fucoxanthin, but human trials are few and none look at prostate or bla...

Evidence: Preliminary

Kelp is a brown seaweed and one of the richest natural sources of iodine. It has no proven prostate benefit, and concentrated kelp supplements have be...

Evidence: Preliminary

Bladderwrack is a brown seaweed rich in iodine, fucoidan and polyphenols. Its name refers to its air bladders, not to any proven benefit for the human...

Evidence: Preliminary

Nori is the red seaweed used to wrap sushi. It supplies iodine, protein, minerals and pigments, but there are no human studies of nori for prostate or...

Evidence: Moderate

Beetroot is a vegetable rich in dietary nitrate. Beetroot juice modestly lowers blood pressure in trials, but small amounts of beet powder in capsules...

Evidence: Moderate

Prunes are dried plums rich in fiber and sorbitol. Randomized trials show whole prunes can increase stool weight and frequency, but they used servings...

Evidence: Limited

Chlorella is a nutrient-rich freshwater green alga. Meta-analyses suggest modest benefits for cholesterol and blood pressure at gram-level doses, but ...