Vitamins and Minerals From A to Z - https://www.webmd.com/vitamins-and-supplements/ss/slideshow-vitamins-minerals-overviewa

Supplement Smarts: Best Ways to Take Different Vitamins - https://www.webmd.com/vitamins-and-supplements/ss/slideshow-best-ways-to-take-different-vitamins

The task force even made a specific recommendation against taking vitamin E and beta-carotene supplements. Studies suggest that beta-carotene — strongly colored red-orange pigment abundant in fungi, plants, and fruits, which the human body converts into vitamin A — may increase the risk of lung cancer. Vitamin E supplements had no net benefit in reducing mortality, cardiovascular disease, or cancer whatsoever. - https://www.zmescience.com/science/vitamins-are-a-waste-of-money-for-the-vast-majority-of-people/

Melatonin: What to Know - https://www.webmd.com/vitamins-and-supplements/ss/slideshow-melatonin-overview

Some vitamins and minerals simply work better when eaten together - https://www.nationalgeographic.com/premium/article/nutrients-vitamins-synergy-nutrition-diet