b12 injections and thyroid - the vitamin that goes low in many patients Vitamin B12 Shots in NYC
Description
This can be due to insufficient dietary intake of iron, poor absorption of iron from the diet, or increased demands for iron (such as during pregnancy)

(PubMed) de Jager CA, Oulhaj A, Jacoby R, Refsum H, Smith AD

Epub 2024 Feb 29

[9] Therefore, unless the mother has a clear deficiency, routine use of the B-Complex Injection during breastfeeding may be unnecessary
