nasal b12 vs injection spray Vitamin B12 Injections | Energy

Maternal vitamin B12 levels at approximately 18 weeks gestation is a reliable predictor of vitamin B12 status in lactation and in the infant through the first 6 months of life

Others experience gradual improvement over one to two weeks

An injection of vitamin B12 is more effective than using vitamins or relying on animal products

For non-emergency concerns such as persistent injection site reactions or new neurological symptoms, contact your GP or NHS 111

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Intriguingly, Sandyk et al