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What is the difference between vitamin D2 and D3?

D-2 (ergocalciferol) is derived from yeast, while D-3 (cholecalciferol) is derived from lanolin (from sheep) or fish. D-2 and D-3 are both used to fortify milk and other dairy products. Some D-3 vitamin supplements are made with fish oil. D-3 can also be produced by plants and fungi, but this isn't as common as using lanolin or fish as a source.

2006-10-11 16:08:31 · answer #1 · answered by +Jesus Freak+ 2 · 0 0

I'm not exactly sure but I did just learn that vitamin D is added to milk it is not a natural ingredient.

2006-10-10 15:44:18 · answer #2 · answered by green 2 · 0 0

yes. somebooks say so.

2006-10-11 02:54:50 · answer #3 · answered by chloe 5 · 0 0

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