Nutrients

12 answers

Nutrients

Watermelon and Lycopene: How Much Is in a Cup?

A cup of diced watermelon has about 6.9 mg of lycopene, more than a cup of raw tomato. Here's how variety, flesh color and storage change that number, with USDA data.

Nov 3, 2026

Nutrients

Walnuts Nutrition Facts: Omega-3, Fiber and Serving Sizes

Walnut nutrition per ounce, 100 g and cup from USDA data: calories, protein, ALA omega-3, minerals, English vs. black walnuts, and how they compare with other nuts.

Oct 26, 2026

Nutrients

Foods High in Vitamin D: A Ranked List

21 foods ranked by vitamin D per serving from USDA data, from trout and salmon to UV-treated mushrooms and fortified milk, with % Daily Value.

Oct 21, 2026

Nutrients

Foods High in Magnesium: Per-Serving Table (USDA Data)

Magnesium per serving in 21 foods, from pumpkin seeds and chia to beans and spinach, with % Daily Value and the supplement upper limit.

Oct 13, 2026

Nutrients

Omega-3 Foods: EPA, DHA and ALA per Serving (USDA Data)

Omega-3 content of 18 fish, seeds, nuts and oils per serving from USDA data, split into EPA, DHA and plant ALA, plus what the prostate research shows.

Oct 13, 2026

Nutrients

High-Fiber Foods: Grams per Serving (USDA Data)

Fiber per serving in 21 foods, from split peas and lentils to raspberries and oats, with % Daily Value and how much men need.

Oct 13, 2026

Nutrients

Foods High in Selenium: Per-Serving Table (USDA Data)

Selenium per serving in 19 foods, from Brazil nuts and tuna to eggs and brown rice, with % Daily Value and the 400 mcg upper limit.

Oct 13, 2026

Nutrients

Foods High in Lycopene: A Per-Serving Table (USDA Data)

Lycopene per serving in 18 everyday foods, from tomato paste to watermelon, using USDA FoodData Central figures, plus what cooking and oil change.

Oct 13, 2026

Nutrients

Lycopene: What the Research Actually Says (Including the FDA Review)

What lycopene is, which foods have it, what the FDA concluded about lycopene, tomatoes and prostate cancer, and what that means for your plate.

Oct 13, 2026

Nutrients

Pumpkin Seeds Nutrition: Zinc, Magnesium and More per Ounce

Pumpkin seed (pepita) nutrition per 1-ounce handful from USDA data: zinc, magnesium, iron, protein and fat, plus what the research on men's health does and doesn't show.

Oct 13, 2026

Nutrients

Brazil Nuts and Selenium: How Many Brazil Nuts a Day Is Safe?

How much selenium is in one Brazil nut, how many fit under the 400 mcg upper limit, and what the big SELECT trial found about selenium and prostate cancer.

Oct 13, 2026

Nutrients

Foods High in Zinc: Per-Serving Table for Men (USDA Data)

Zinc per serving in 21 common foods, from oysters and beef to beans and seeds, with % Daily Value and the 40 mg upper limit.

Oct 13, 2026