This is why Vitamin B12 therapy can be a godsend: By getting an intramuscular injection of B12, you can bypass the GI tract and allow for up to 100% absorption into the body and straight into your cells
Standard Monthly Maintenance Most people get B12 shots monthly
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Clinical trials confirmed no effect on serum IGF-1, no negative impact on carbohydrate metabolism, and excellent tolerability with safety profile indistinguishable from placebo
(3) Sun WD, Zhu XJ, Li JJ, Mei YZ, Li WS, Li JH
Doses of cyanocobalamin exceeding 10 mcg daily may produce hematologic response in patients with folate deficiency