why do i feel worse after b12 injections Feeling starting : r/B12_Deficiency Vitamin B12 Side Effects: Risks

As the deficiency may be indistinguishable for either of these essential vitamins, they are often grouped in one product for therapeutic and preventive use

[5] [6] Once administered intramuscularly (usually into the deltoid or gluteal muscle), hydroxocobalamin is rapidly absorbed into the circulation

They reason that hydroxocobalamin is not a psychoactive substance or a synthetic chemical drug

The risks come from unverified online sellers who may use research-grade ingredients or untested formulations

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It can lead to megaloblastic anemia, a condition characterized by the production of large, immature red blood cells that are unable to function properly