Response by two groups taking 10,000 IU of Vitamin D (2017?)
| GrassrootsHealth | Cluster Headache | ||
| Vitamin D level | 64 ng | 83 ng (24% higher) | |
| Cofactors | unknown | Yes: Mg, Omega-3, Boron, etc | |
| Number of tests | 1599 | 166 | |
| Demographics | Caucasian | Caucasian | |
Some people can get even higher response if:
- Take same total amount weekly or every two weeks
- Take topical form of Vitamin D
- Take a non-oil based form of oral Vitamin D
- Take a gut friendly form of oral vitamin D
- Poor guts need different forms of vitamin D has the following
Guesses of Vitamin D response if poor gut
| Bio | Form | Speed | Duration |
| 10 | Injection ($$$) or Calcidiol or Calcitriol | D - Slow C -Fast | Long |
| 10 | Sun/UVB | Slow | Long |
| 10 | Topical (skin patch/cream, vagina) | Slow Fast nano | Normal |
| 9 | Nanoemulsion -mucosal perhaps activates VDR | Fast | Normal |
| 9? | Inhaled (future) | Fast | Normal |
| 8 | Bio-D-Mulsion Forte | Normal | Normal |
| 6 | Water soluble (Bio-Tech) | Normal | Normal |
| 4 | Sublingual/spray (some goes into gut) | Fast | Normal |
| 3 | Coconut oil based | Slow | Normal |
| 2 | Food (salmon etc.) | Slow | Normal |
| 2 | Olive oil based (majority) | Slow | Normal |
10= best bioavailable, 0 = worst, guesses have a range of +-2
Speed: Fast ~2-6 hours, Slow ~10-30 hours
Duration: Long ~3-6 months, Normal = ~2 months
