What brand of vitamin c should you take?

Vitamin C is required for the growth and repair of tissues in all parts of your body. It is necessary to form collagen, an important protein used to make skin, scar tissue, tendons, ligaments, and...

Vitamin a in too high of doses can cause birth defects so the amount you get in your daily diet and your prenatal vitamin should be enough.

I would say two a day..

The North American Dietary Reference Intake recommends 90 milligrams per day and no more than 2 grams (2,000 milligrams) per day.

People taking some medications, including birth control pills, methotrexate, cholestyramine, colestipol, and drugs that act to sequester bile will also need larger amounts.