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22 May 2026 6 min Why do I feel worse after my B12 injection

Cycle length 8 to 12 weeks on, 4 to 6 weeks off in common research community protocols

Dosage, Concentration, Route of Administration Dosage : Seek advice from an appropriately qualified and licensed physician, medical director, or other healthcare provider Concentration : 2mg/ml Route of Administration : IV/IM/SQ Resources: Precautions/Side Effects Hydroxocobalamin injections are contraindicated in people with low blood potassium or allergies to vitamin B12 or cobalt

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