how often to give vitamin b12 injections Dosage and Frequency B12 Injection Dosage and Frequency:

The dosage and administration of B12 supplements vary based on the underlying cause and severity of the deficiency

S-Adenosylmethionine(SAMe) for Neuropsychiatric Disorders: A Clinician-Oriented Review ofResearch

However, it is worth noting that another medication in the incretin-based therapy class metformin is well-established to reduce vitamin B12 absorption in some patients through effects on calcium-dependent ileal uptake mechanisms

No matter what a fad diet or product may promise, the fact is that weight loss comes with burning more calories than you take in, so diet and exercise are the main keys to success if you want to lose weight