Still, a case of vitamin toxicity – also known as hypervitaminosis – is rare. You’d have to take very large doses to be at risk. Don’t take more than 1,000mg of vitamin C, 100mcg of vitamin D, 35mg of ...
Ideally, you should take your iron supplement first thing in the morning and before foods or other medications to get the best results, says Gregory Castelli, PharmD., director, pharmacy residency ...