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Despite its importance, the body cannot produce sufficient vitamin B12 independently
Individual differences: The duration of B12 injection benefits can also vary based on individual factors, such as age, genetics, and overall health status
Vitamin B7 also contributes to stronger hair, skin and nails
Unlike oral supplements, an injection delivers vitamin B12 directly into the body without relying on digestive absorption which can be reduced by age, certain medications such as proton pump inhibitors or metformin, or gastrointestinal conditions
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