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How to Tell if a Supplement Is Natural or Synthetic

	Natural	Synthetic
Vitamin A	Fish oils	Acetate or palmitate
Vitamin B1	Yeast	Thiamine mononitrate
	Rice bran	Thiamine hydrochloride
		Thiamine chloride
Vitamin B2	Yeast	Riboflavin
	Rice bran
Vitamin B3 (Niacin)	Yeast	If source is not given, it’s synthetic.
	Rice bran
Vitamin B6	Yeast	Pyridoxine hydrochloride
	Rice bran
Vitamin B12	Yeast, liver	Cobalamin or cyanocobalamin
	Fermentation
	Concentrate
Vitamin C	Citrus fruits, green peppers	Ascorbic acid
	Rose hips, acerola
	Wildberry
Vitamin D	Cod or other fish oils	Irradiated ergosterol or calciferol
Vitamin E	d-alpha tocopherol	dl-alpha tocopherol
	Vegetable oils
	Wheat germ
	Mixed tocopherols
Vitamin K	Alfalfa	Menadione

— Source: Holistic Pediatric Association (www.hpakids.org)