In this experiment we will be comparing levels of vitamin c in different fruits as well as with a vitamin c solution. *Tincture of iodine is a brownish liquid that becomes colorless when vitamin C is ...

Vitamin C is an incredible antioxidant that can repair free radicals created by the sun and help with environmental damage and aging. Board-certified dermatologist Dr. Naissan O. Wesley says, "Due to ...

The cosmetic industry is full of serums that promise to make your skin glow. Although you get vitamin C from the foods you eat, it probably doesn't end up in your skin. Using vitamin C serum is the ...

We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...