can you inject sublingual b12 Is It Okay To Use A Injection With Insulin Syringes? B12 Injection vs. Oral Supplements:

Low Levels of Serum Total Vitamin B12 Are Associated with Worse Metabolic Phenotype in a Large Population of Children, Adolescents and Young Adults, from Underweight to Severe Obesity

In rare cases, folate deficiency is associated with megaloblastic anemia and birth defects, especially neural tube defects, in children born to mothers with folate deficiency

People with pernicious anemia usually need lifelong monthly injections since their bodies can't absorb B12 from food

IV drips which are not intended for a medical purpose are not medicines, and these products fall outside the MHRAs remit.' When injectable vitamins are not regulated by the MHRA, they fall under the General Product Safety Regulations (GPSR)