which b12 injection is best The Shot: What Every Human Needs to Know About Injectable Vitamin B12 B12 Injections vs. IV Drips:

After 2 to 4 Weeks By this time, your blood B12 levels begin to normalize

Boosted Metabolism & Mood Inositol, a B vitamin, promotes fat metabolism, supports nerve function, and aids in serotonin production, which regulates mood and appetite

Peripheral neuropathy, subacute combined degeneration of the spinal cord, or cognitive impairment indicate more advanced deficiency and generally require intensive treatment over extended periods

If your taste changes are accompanied by symptoms such as sharp, stabbing pain and sensitivity to sugary foods, you might have a loose dental filling (this should be replaced as soon as possible)

PMID 18245139