A recent analysis of the USFDA Adverse Event Reporting System revealed that patients taking both metformin and a PPI experienced significantly higher rates of hospitalizations and life-threatening complications related to B12 deficiency (such as severe neuropathy and cognitive decline) compared to those on monotherapy
The Kraus 2014 finding was that reducing adipose NNMT protects against diet-induced obesity in animal models
You also need to take care of your diet and exercise regularly
However, because B12 is stored in our livers, it might take a while for these deficiencies to show (Glass, 1959)
Vitamin B12 Injections Dosage and Frequency Vitamin B12, a crucial nutrient for nerve function, blood cell production, and DNA synthesis, is often supplemented through injections, especially for those who struggle with its absorption or have certain dietary restrictions