[131] [132] Species from the following genera and the following individual species are known to synthesize B 12 : Propionibacterium shermanii , Pseudomonas denitrificans , Streptomyces griseus , Acetobacterium , Aerobacter , Agrobacterium , Alcaligenes , Azotobacter , Bacillus , Clostridium , Corynebacterium , Flavobacterium , Lactobacillus , Micromonospora , Mycobacterium , Nocardia , Proteus , Rhizobium , Salmonella , Serratia , Streptococcus and Xanthomonas
S., Brasch, N
Niacin can also cause bloating, burping, facial redness, and increased gas
Approximately 159.21 Da refers to the free positively charged component, while approximately 286.11 g/mol includes the iodide counterion
As we age, natural levels declineleading to fatigue, brain fog, and slower metabolism