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 - 3 of 3 for Ascorbic Acid OR Fluoride 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
    https://www.mayoclinic.org/.../vitamin-c/faq-20058030?p=1 - External Health Links
  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
    https://wwwnc.cdc.gov/.../2024/preparing/water-disinfection - External Health Links
  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 ...
    https://www.hsph.harvard.edu/nutritionsource/vitamins/vitamin-c - External Health Links