Referenser till artikeln "Vi granskar kosttillskotten"
av Anna Tillberg

Background Info on Synthetic vs. Natural Vitamins (Q&A)2,
http://www.organicconsumers.org/nutricon/qa.cfm

Barron, Jon. ³PHS-II: Vitamins E, C, Beta Carotene, and Cancer². 2008-11-24.
http://www.jonbarron.org/baseline-health-program/2008-11-24.php

Byron J. Richards. ²What's in Your Multiple Vitamin?², 2008-05-08,
NaturalNews,
http://www.naturalnews.com/023169.html

Chong, Daniel H. ²Real or Synthetic: The Truth Behind Whole-Food
Supplements²,
http://articles.mercola.com/sites/articles/archive/2005/01/19/whole-food-supplements.aspx

Wellings, Helen. ³Vitamins², Channel 7 Perth, 2008.
http://www.7perth.com.au/view/today-tonight-articles/20070807175212/