Some foods that are rich in this vitamin include liver, clams, oysters, lamb, beef, eggs and cheese
A: Definitely
For individuals who cannot absorb enough vitamin B12 from food sources alone, injectable supplementation provides a dependable way to restore and maintain adequate levels
Virtanen, P
According to one report, 3% to 43% of older adults living independently may have low serum vitamin B12 levels, especially those with conditions such as atrophic gastritis or pernicious anaemia
[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
