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doi:10.1007/s40200-022-01165-2 [PubMed][CrossRef] 137
Have Severe Chronic Conditions Requiring Medical Supervision Beyond Supplements: If you are managing serious chronic health issues, your care should be directed by qualified healthcare providers rather than self-directed supplementation
You're a strict vegan
Decrease dose consideration: Persistent side effects including headaches, fatigue, or injection site reactions, excessive response (extremely rapid weight loss suggesting dose may be higher than needed), cost concerns when lower doses might achieve similar results
Protection Against Neurological Damage : Maintaining adequate B12 levels through injections can prevent nerve damage and protect against neurological disorders like multiple sclerosis
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