Medication use, infection risk, imaging, and physical exam findings matter more than labs alone
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Beyond the serum B12 test and the MMA, there are also other tests that you can order to get a sense of your vitamin B12 status
Other than that, this is a great company
Topical application through cream or serum can work for localized skin improvements, but absorption is limited, concentrations in commercial products are often insufficient, and youre not getting systemic effects that benefit hair follicles, internal wound healing, or broader tissue remodeling
Heres the simple breakdown: Bloodstream Express: We send a strong dose of Vitamin B12, usually cyanocobalamin or methylcobalamin, through an IV, skipping your gut so it kicks in right away