B12 supplements can come in a variety of forms — spray, liquid, capsule — which can make it difficult to know what to buy.

Generally, taking your vitamin B12 consistently is most important, but there is a time of day you might want to prioritize ...

It is important for keeping your nerves, blood cells, and DNA healthy. Animal products naturally contain this vitamin. Meat, dairy, and eggs are particularly good sources. Plant-based foods do not ...

1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases vitamin D blood levels 20 ng/ml (50 nmol/L). If the vitamin D blood test was 30 ...