IU | Cumulative Benefit (by VitaminDWiki.com) | Blood level | Co-factors | Calcium | $*/year |
400 | Less Rickets 3X less adolescent Schizophrenia Fewer child seizures | 20-30 ng/ml | Not needed | No effect | $3 |
2000 | 2X More likely to get pregnant naturally/IVF 2X Fewer dental problems with pregnancy 8X less diabetes 4X fewer C-sections (>37 ng) 4X less preeclampsia (40 ng vs 10 ng) 5X less child asthma 2X fewer language problems age 5 | 42 ng/ml | Desirable | < 750 mg | $15 |
4000 | 2X fewer pregnancy complications 2X fewer pre-term births | 49 ng/ml | Must have co-factors | < 750 mg | $75 |
6000 | Probable: larger benefits for above items Perhaps prevent 2nd autistic child ~hs~~hs~ clinical trials underway Just enough D for breastfed infant | Must have co-factors | < 750 mg | $85 |
The above is the summary of the Overview of Vitamin D for Moms and babies, updated May 1, 2012