During carbohydrate metabolism, it acts as a coenzyme to decarboxylate alpha-keto acids such as pyruvate and alpha-ketoglutarate
[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
23, 27 Vitamin B 12 Early treatment of B 12 deficiency is particularly important because neurologic symptoms may be irreversible
Vitamin D $22 (every 5-7 days) Sometimes called the sunshine vitamin because its produced in your skin in response to sunlight
B12 is also great for the skin