Supplements Can't Replace a Healthy Diet About 90% of Americans aren't eating enough fruits and vegetables. Many are tempted to supplement the lack of nutrients with pills and powders. 75% of adults take vitamin supplements. But according to science, this is no replacement for a
healthy diet. The 'Annals of Internal Medicine' study revealed that supplements do not vitalize the body the same way foods do. Fang Fang Zhang, Study co-author, via 'Time' Vitamin A, vitamin K, magnesium, zinc and copper can lower risk of early death, but only when consumed.