What's driving this
56 ng/mL — dropped from 82, below the 70–90 target. Bumped to ~15k IU/day (standalone 10k + scoop 5k) to recover; retest ~8wk then taper. VDR variant + dark skin drive the higher requirement.
Full protocol →Across draws
Vitamin D
| Draw | Value | Status |
|---|---|---|
| June 25, 2026 | 56 ng/mL | NORMAL |
| February 9, 2026 | 82 ng/mL | NORMAL |
| November 21, 2025 | 46 ng/mL | NORMAL |