57 mcg aluminum in b12 injections Cyanocobalamin (B12) / Products / American Regent Vitamin B12 Injections | B12

In addition to the above mentioned deficiencies (i.e., iron, folic acid, and vitamin B12), at the time of diagnosis, there may be deficiencies in other vitamins and minerals, in particular copper and zinc [85]

Source: Randomized, Placebo-Controlled Trial of Methyl B12 for Children with Autism (2016) Analysis of several studies showed significant improvements autism symptoms from Methyl B12

B12 plays a role in how your body processes fats and proteins, so a deficiency can leave you feeling sluggish

Theyre only needed twice a year and, as theyre administered directly into the muscle, almost all of the vitamins are utilised by the body