Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 7 of 7 for ".Alpha.-Tocopherol" OR Ascorbic Acid OR iron OR Niacin OR Pyridoxine OR Riboflavin OR Thiamine Ion OR Vitamin A OR Vitamin D
  1. Too Much Vitamin C: Is It Harmful? (Mayo Foundation for Medical Education and Research)  
    Vitamin C/Specifics ... Vitamin C ... Mayo Foundation for Medical Education and Research
  2. Travelers' Health: Water Disinfection (Centers for Disease Control and Prevention)  
    Parasitic Diseases/Prevention and Risk Factors ... Parasitic Diseases ... Giardia Infections/Related Issues ... Giardia Infections ... Diarrhea/Prevention and Risk Factors
  3. Vitamin C (Harvard School of Public Health)  
    Vitamin C/Start Here ... Vitamin C ... Harvard School of Public Health ... Megadosing on vitamin C is not uncommon, but how much is an optimum amount needed to keep ...
  4. Vitamin A (Harvard School of Public Health)  
    Vitamin A/Start Here ... Vitamin A ... Harvard School of Public Health ... Vitamin A can’t give you superpowers of night vision or cure your dependence on glasses, but ...
  5. Vitamin E (Harvard School of Public Health)  
    Vitamin E/Learn More ... Vitamin E ... Harvard School of Public Health ... Vitamin E is a fat-soluble vitamin with several forms, but alpha-tocopherol is the only one ...
  6. Over the Counter & Complementary Therapies (Parkinson's Foundation)  
    Parkinson's Disease/Treatments and Therapies ... Parkinson's Disease ... Parkinson's Foundation ... There are many kinds of complementary medicine: herbs, vitamins and ...
  7. Antioxidants (Harvard School of Public Health)  
    Often used as a marketing buzzword, learn about the role of antioxidants beyond the hype. ... Antioxidants/Start Here ... Antioxidants ... Harvard School of Public Health