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by cashsterling 1039 days ago
One should get regular blood tests if possible for a lot of reasons... but supplementing with 50k IU Vit D per week is safe for almost everyone. Should take K1/K2 as well.

Not going to go into detail but there are several recent studies showing that daily intake of up to 50k IU is safe. The concerns over hypercalcemia, etc. were tied to much larger doses per day.

https://pubmed.ncbi.nlm.nih.gov/28012936/

https://pubmed.ncbi.nlm.nih.gov/30611908/