is it normal to feel tired after a b12 injection Why Do I Worse My Did anyone else experience worse

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Risks and Side Effects of B12 Injections Whilst B12 injections are generally considered safe due to the vitamin's water-soluble nature (excess is excreted renally), they are not without potential adverse effects

In some patients, especially those with thicker subcutaneous fat, injections given in this area may also fail to reach the muscle properly, which can affect medication absorption

Many users choose to continue therapy long-term at maintenance doses rather than discontinuing

You follow a vegan or vegetarian diet and need to supplement to meet your needs

Despite correcting his severe B12 and iron deficiency with supplementation, this child remained delayed 7 months after treatment and upon MRI, still showed signs of inadequate myelination, suggesting that he may never achieve full neurological function