In terms of reproductive function, Vitamin B12 is present in the testes and plays a role in sperm production
Lee E, Walker C, Ayadi B Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study
What Is Vitamin B12 Deficiency Anemia
Many health insurance policiesincluding Medicare and most private insurersmay cover the cost of Vitamin B12 injections if they are deemed medically necessary
Hormonal alterations Since stress has been described as a potential trigger for ME/CFS (422) and cause of symptom flare-ups (423, 424), it is likely that the HPA axis- the neurobiological stress system- may be implicated in ME/CFS (53, 425, 426), as well as abnormalities in growth hormone (GH) secretion and dysfunctional adrenergic metabolism (255)
Professional imaging such as MRI or ultrasound can clarify the extent of tissue damage and guide appropriate treatment intensity