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 - 1 of 1 for Natural environment
  1. Vitamin E From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... are also exposed to free radicals in the environment from cigarette smoke, air pollution, and ultraviolet light ... of activity in the body. Vitamin E from natural sources is commonly listed as d -alpha-tocopherol ...
    https://ods.od.nih.gov/factsheets/VitaminE-Consumer - Drugs and Supplements