SAFE

Ergocalciferol

Ergocalciferol (Vitamin D2)
Possibly Safe V1 Verified Vitamins
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PubMed Studies
118
PubChem CID
About

Plant-derived D2 from UV-irradiated mushrooms. Less potent than D3. Used in vegan formulas.

How it works (mechanism of action)

Functions as an essential cofactor or coenzyme in enzymatic reactions critical for cellular metabolism, energy production, and structural integrity. Deficiency causes characteristic clinical syndromes reversible by supplementation at adequate doses.

👥 Safety by Population
PopulationSafety RatingMax Safe Dose
GeneralPossibly safeNot established
PregnancyPossibly safeNot established
ElderlyPossibly safeNot established
🚫 Contraindications & Warnings

Higher dose needed for equivalent effect to D3.

🏷️ Other Names
Ergocalciferol (Vitamin D2)
Updated: 2026-04-11
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