Page 136 - Raw Diet References Book 2019

5. VITAMINS

5.1 Chemical compounds

Table VII-14. Conversion factors - Vitamin source to activity

Vitamin Unit declared Vitamin source used Vitamin activity
Vitamin A IU Retinol activity
vitamin A alcohol (retinol) 2, 3 0.3 µg = 1 IU
1.0mg = 3,333 IU
vitamin A acetate 0.344 µg = 1 IU
vitamin A propionate 0.359 µg = 1 IU
vitamin A palmitate 0.55 µg = 1 IU
vitamin A alcohol (retinol) 1.0 µg = 1 RE
(RE = Retinol Equivalent)
Provitamin A (β-carotene) (dogs)4 1.0mg = 833 IU
Vitamin D Cholecalciferol IU Vitamin D activity
vitamins D3 & D2 1, 3 0.025 µg = 1 IU
1 µg = 40 IU
Vitamin E Tocopherol IU Vitamin E activity
dl-α-tocopheryl acetate 1mg = 1 IU
(all-rac-α-tocopheryl acetate)
Bio-equivalence of various tocopherols:
d-α-tocopherol 1mg = 1.49 IU
d-α-tocopherol acetate1 1mg = 1.36 IU
dl-α-tocopherol 1mg = 1.10 IU
dl-α-tocopheryl acetate 1mg = 1.00 IU
dl-β-tocopherol 1mg = 0.33 IU
dl-δ-tocopherol 1mg = 0.25 IU
dl-γ-tocopherol 1mg = 0.01 IU
Vitamin B1 - Thiamine = Thiamine Cl mg Thiamine
thiamine mononitrate 1mg = 0.92mg
thiamine hydrochloride 1mg = 0.89mg
D-Pantothenic acid IU Pantothenic acid
calcium D-pantothenate 1mg = 0.92mg
calcium DL-pantothenate 1mg = 0.41 - 0.52mg
Vitamin B6 - Pyridoxine mg Pyridoxine
pyridoxine hydrochloride 1mg = 0.89mg
Niacin mg Niamin
nicotinic acid 1mg = 1mg
nicotinamide 1mg = 1mg
Choline mg Choline
choline chloride (basis choline ion) 1mg = 0.75mg
choline chloride 1mg = 0.87mg
(basis choline hydroxyl-analogue)
Vitamin K3 - Menadione mg Menadione
menadione sodium bisulphite (MSB) 1mg = 0.51mg
menadione pyrimidinol bisulphite (MPB) 1mg = 0.45mg
menadione nicotinamid bisulphite (MNB) 1mg = 0.46mg

5.2 References

1. Arbeitsgemeinschaft für Wirkstoffe in der Tierernährung e. V. 3. NRC. Table 2. In: Nutrient Requirements of Cats. National
(AWT). Vitamins in animal nutrition. 2002. Academy Press, Washington, DC 1986: 42.

2. McDowell. Vitamins in animal and human nutrition. 2nd 4. NRC. Composition of ingredients of dog foods. In: Nutrient
edition Iowa State University Press 2000. Requirements of Dogs. National Academy Press, Washington,
DC 1985: 40-41.

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