Can you have too much vitamin B-12?

Many vitamin B-12 supplements contain much more of the vitamin than the body needs. No research has yet found any side effects from taking too much vitamin B-12.

Vitamin D Levels In Children Most Likely Determined By Supplements Taken And Consumption Of Cow’s Milk

Taking a vitamin D supplement and drinking cow’s milk are the two most important factors that determine how much vitamin D is in a child’s body, new research has found. Those factors play a bigger role than even skin colour and exposure to the sun, according to Dr