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Results: The sample consisted of 74 postmenopausal women with type 2 diabetes, of whom 60.8% were classified as physically active
According to the 2025 meta-analysis by Alfalasi and colleagues, sublingual B12 showed an approximate 199% mean increase in serum B12 compared to approximately 307% for intramuscular injections
16 B12 has a half-life of approximately six days in the blood, which usually means that it takes around six days before half of the injected amount is eliminated from the body
[PubMed] [Google Scholar] Aoyama K
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