Anyone with a hormone-sensitive condition, anyone pregnant or nursing, and anyone on prescription metabolic or diabetes medication sits outside what the research can speak to at all
As such, having inadequate B12 levels can decrease normal red blood cell production, which can impair oxygen delivery ( Specifically, a deficiency in B12 can cause megaloblastic anemia
Isidori AM, Pozza C, Gianfrilli D, Giannetta E, Lemma A, Pofi R, Barbagallo F, Manganaro L, Martino G, Lombardo F, Cantisani V, Franco G, Lenzi A (2014) Differential diagnosis of nonpalpable testicular lesions: qualitative and quantitative contrast-enhanced US of benign and malignant testicular tumors
Hope all is well
How Often Are They Needed