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B12 Injections Why an injection instead of an oral supplement
Neurologic, cognitive, hematologic, or mucosal features can point to a shortfall, as can risk factors such as malabsorption, autoimmune gastritis, relevant medications, or nitrous oxide exposure
Drug-induced deficiencies (e.g., isoniazid, oral contraceptives)
Injection site irritation may increase slightly since you are adding a daily injection to your routine, but site rotation prevents this from becoming an issue
But there was none of the edge I get with caffeine
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