vitamin b12 injection frequency guidelines Dosage for Adults: How Often Should You Get
Description
[36] [37] [38] A long-term study where vitamin B 12 was supplemented across a period of 10 years, led to lower levels of weight gain in overweight or obese individuals (p 20% of elderly individuals showed evidence of marginal vitamin B 12 depletion (serum vitamin B 12 : 148221 pmol/L)

This isn't speculation

Mills, K

Document the patients vital signs and symptoms

Vitamin B 12 Deficiency: Recognition and Management
