Is it safe to take 1000 iu of vitamin daily as a supplement?

Multivitamins: are like an insurance policy for when we don't eat right, don't sleep well, or are especially stressed. Go to a good store or get some guidance because the popular brands are typically very week and not helpful. The dose (read label and check that half or more of the ingredients are several 100 per cent above RDA. Dose more important than a long list. D is good if low on lab test.