DiMarchi, who was a vice president at Eli Lilly and involved in GLP-1 research there, until he left the company in 2003, is that many diseases may share the same root causes, even though we label them and treat them as distinct: This is an endocrine disease, this is a cardiovascular disease, this is a brain disease. This root-cause theory suggests that a wide range of conditions can be treatable with one drug class, sometimes through pathways in the brain and the immune system
The treatment of a severe deficiency is divided into two phases: High-dose restorative therapy (injection) Through injections with B12, the bodys depleted stores are replenished and blood values quickly raised Maintenance treatment (tablets/capsules or injection) Through an oral follow-up treatment, values are stabilised and maintained
Most other providers recommend but don't require labs
international journal of clinical chemistry , 333 (1), 19-39
Weeks 4-6: Post-Course Assessment What the research suggests: Most community protocols complete 3-6 weekly injection cycles by this point
Others may be unnecessary for your specific situation