Vitamin D3

What it does

• Supports immune function
• Promotes bone density and calcium absorption
• Supports mood regulation and cognitive function
• May reduce inflammation

Standard dose

2,000 IU

Relevant for

Contraindications

• hypercalcemia
• sarcoidosis

Why it's in the formulary

Vitamin D3 was selected for the Stack formulary based on its strong evidence base, bioavailability in its chosen form, and relevance to the health goals our members care about most. Every batch is third-party tested for purity and potency.