Vitamin D is one of those vitamins that almost everyone would benefit from. When looking at Vitamin D supplements please note there are two kinds – Vitamin D2 and Vitamin D3. You always want to get Vitamin D3, it is the most effective form.
It is recommended that if you are taking a Vitamin D supplement you should also be taking Vitamin K2. If you do not have enough K2, you could develop symptoms of Vitamin D toxicity. Here is a very good, highly recommended Vitamin D with K2.