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how long before b12 injection takes effect Vitamin Injections: What You Need To Know Vitamin B12 Injections | When
Description
Immediate effects: Some patients report feeling an improvement in energy levels within 24 to 48 hours, though this varies

Are there any side effects to consider when choosing between the two

Note: We recommend the same vitamin B12 injection dose for adults and children

It also plays a role in neurotransmitter production, affecting mood and cognition
