what do you get b12 injections for The Truth About Injections: Benefits, Cost & How They Work Best Vitamin B12 Injection Sites:

Alternatively, there are merits to regular fasting for maintaining your weight

[73] As noted above, the completely synthetic laboratory synthesis of B 12 was achieved by Robert Burns Woodward and Albert Eschenmoser in 1972, though this process has no commercial potential, requiring more than 70 steps and having a yield well below 0.01%

Monitoring and follow-up: Repeat testing after a few months to track improvement

Blood test results will also show if your levels are improving.

According to USDA Agricultural Research Service data based on NHANES, approximately 6% of adults aged 60 and older in the United States are vitamin B12 deficient, defined as plasma B12 below 148 pmol/L (2009)