Last reviewed May 2026 · 1 min read
Is Calcitriol vegan?
Also known as: 1, 25-dihydroxycholecalciferol
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Source can be plant or animal.
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It depends — Usually synthesized from lanolin-derived precursors.
01 · The basics
What is Calcitriol?
The fully active form of Vitamin D3 used in prescription medications.
02 · The source
Where it comes from
Usually synthesized from lanolin-derived precursors. Verification required.
Frequently asked
FAQ
Is calcitriol vegan?
Usually no, as it originates from sheep wool grease (lanolin).
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