[91] Since only bacteria and some archea possess the genes and enzymes necessary to synthesize vitamin B 12 , plant and algae sources all obtain the vitamin secondarily from symbiosis with various species of bacteria, [5] or in the case of fermented plant foods, from bacterial fermentation
Some may feel lightheaded or dizzy briefly
In dietinduced obese mice, NNMTi treatment significantly reduced liver weight, liver volume, and hepatic triglyceride levels, alleviated hepatic steatosis and inflammatory infiltration, downregulated inflammatory factors (such as TNF and IL6) and lipogenic genes (such as FAS), and upregulated lipolytic genes (such as ATGL) in the liver
While a B12 deficiency is not uncommon, it can take years to develop, and the signs and symptoms range depending on the severity and duration of the deficiencybut weight gain isnt likely to be one