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My vitamin D2 is so low my doctor prescribed this once a week. The normal amount a week is 4,200 ic. I'm on 50,000 ic a week. I'm taking 11.2 times the
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![Changes in serum FGF23 after a single bolus of ergocalciferol (vitamin... | Download Scientific Diagram Changes in serum FGF23 after a single bolus of ergocalciferol (vitamin... | Download Scientific Diagram](https://www.researchgate.net/publication/349173919/figure/fig3/AS:989641465401344@1612960320393/Changes-in-serum-FGF23-after-a-single-bolus-of-ergocalciferol-vitamin-D2-300-000-IU.png)
Changes in serum FGF23 after a single bolus of ergocalciferol (vitamin... | Download Scientific Diagram
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