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Importing for personal use generally does not trigger enforcement action, though products intended for human therapeutic claims face stricter scrutiny

There is no published pharmacokinetic data confirming sublingual absorption produces systemic ERR agonism comparable to IP injection

Let the vial warm to room temperature while sealed to reduce condensation

A mild B12 deficiency may just be dismissed as fatigue or low energy, but if left untreated, it may result in serious consequences

Alternative Therapies in Health and Medicine , 31(5), 2024

Another theory is that the anaerobic bacteria responsible for developing Acne called Propionibacterium acnes feeds on Vit B12