Restoration of low thyroid, insulin and cortisol is the medical standard. So, it seems logical to also replace low estrogen. progesterone and testosterone: however the evidence leaves clinicians at a loss for clear direction. because of conflicting results from studies using varying types of hormone .
As we age, hormone production and nutrient status decline. Hormone function is about 50% by the age of 50. Absorption of B-12 declines naturally with age. Although this is still considered “normal,” it is not “optimal”.