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Hair loss considerations Rapid weight loss from any cause can trigger telogen effluvium, a temporary form of hair shedding
For these individuals, vitamin B12 injections are often the most effective way to restore healthy B12 levels because they bypass the digestive system entirely, delivering the vitamin directly into the bloodstream for maximum absorption (around 95% compared to 25-50% for oral supplements)
Standard vs Therapeutic Doses The daily requirement for adults is modest, yet correcting a deficiency often calls for far more, since only a fraction of a large oral dose is absorbed
Mihalas, A
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