can b12 injections cause itching Been on T for 5 weeks, all sites suddenly (in the past few days) became red and itchy : r/ftm Vitamin B12 Injections Side Effects
Description
Indicators for assessing folate and vitamin B-12 status and for monitoring the efficacy of intervention strategies

All study groups showed also an improvement in quality of life after 8 weeks of treatment

S2CID 4978703

Here are some factors that can affect how quickly you notice results: Severity of Deficiency: Individuals with mild deficiencies may experience quick relief, but those with very low B12 levels might require several doses before a noticeable difference occurs

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