Unfortunately, even when a persons diet is rich in B12 or if they take a daily supplement, they may still be lacking, as vitamin B12 can be difficult to absorb orally
It's reported here because it's part of the mechanistic case for AHK-Cu and hair, and because it's frequently quoted as a standalone benefit when it's really one component of the 2007 result
Avoid Frequent Thawing and Refreezing: Repeated thawing and refreezing can degrade peptides
this does not establish efficacy or long-term safety
Despite the powerful metabolic benefits associated with estrogen action, effects on the reproductive endocrine system and oncogenic potential have restricted their clinical use in postmenopausal women
Vitamin B12 is crucial for growth, blood formation, cell reproduction, and tissue synthesis