B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

The best time to take vitamin B12 depends on why you are taking it and in what form. Learn the best timing for your needs.

Vitamin B12 deficiency often begins in the brain, causing subtle changes in thinking and mood. These early signs can include ...

The influencers selling experimental drugs as ‘miracle’ injections - IN DEPTH : Peptides promoted by influencers on social ...