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Nature Reviews Molecular Cell Biology, 16(7), 397408

Unfortunately, many people develop B12 deficiencies due to factors like poor diet, digestive issues, or underlying health conditions

Allergy to vitamin B12: two cases of successful desensitization with cyanocobalamin

5-Amino-1MQ has shown to inhibit NNMT, preventing Nicotinamide from entering the NAD+ Salvage Pathway and converting into NAD+

This keeps vitamin B12 levels up between shots, helping health and preventing symptoms

Severe vitamin B12 deficiency in an exclusively breastfed 5-month-old Italian infant born to a mother receiving multivitamin supplementation during pregnancy. BMC pediatrics 12.1 (2012): 1-5