Unfortunately, the parameters of plant-based diets restrict individuals from the very foods where B12 is naturally occurring mainly, fish, poultry, meat, eggs, and dairy products
This is where the food is going
These lead to an increase in quinolonic acids (neurotoxic), and a decrease in the kynurenic acids (neuroprotective), overall leading to mental illness such as depression (24)
Novel adeno-associated viruses from rhesus monkeys as vectors for human gene therapy
3-5 Microbial metabolites, such as secondary bile acids, short-chain fatty acids, lipopolysaccharide and others within the gut microbiota, trigger GLP-1 secretion
Vendor repackaging Many US-based research chemical vendors are not manufacturers