Need clarification on dosages of Vitamin D3. I started taking it many years ago (on my own) and don't ever recall having my levels low and can't remember why I started taking it. I had not been diagnosed with MAC/NTM at the time. That DX came about earlier this year. Anyway I take capsule form 5000 IU (125mcg). I noticed a lot of talk of taking in mg amounts. Is that a prescription D3 and are there options to get it injected??? Just want to get it straight. Thanks to the group. So much good information.
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