Supplementation
HRT and vitamin D
: Test 25(OH)D. Supplement to target. Estrogen and vitamin D independently reduce fracture risk.
Written by the Kindr Health Editorial & Clinical TeamMedically reviewed by Kindr Health Clinical Team NPI 1609792902Published Last reviewed
Key points
- Test 25(OH)D annually
- 2000–4000 IU D3 typical
- Pair with K2 MK-7
Frequently asked questions
Target level?
40–60 ng/mL for most women.
With K2?
K2 (MK-7) directs calcium to bone rather than arteries.
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Written and medically reviewed by the Kindr Health Clinical Team · Published 2026-06-19 · Last reviewed 2026-07-01. Compounded medications are prepared by FDA-registered 503A pharmacies and are not FDA-approved drug products.