Cobalt is essential for the functioning of vitamin B12. This can be one of the causes of vitamin B12 deficiency. Turkestan cockroaches are rich in vitamin B12. The team managed to boost production yields of vitamin B12. It may mimic other types of glossitis or Vitamin B12 deficiency. Parietal cells secrete intrinsic factor which is required for the absorption of vitamin B12. It found the effects of fish oil and vitamin B12 to be unknown. In select groups consider vitamin B12 levels. MPA does not appear to be associated with vitamin B12 deficiency. It is less preferred than hydroxocobalamin for treating vitamin B12 deficiency. It is also a good source of selenium and vitamin B12. Intrinsic factor is a glycoprotein essential for the absorption of vitamin B12. Alembic soon also initiated bulk production of vitamin B12. Strained yogurt is a good source of protein, calcium, iodine, and vitamin B12. Nerve damage can be caused by diabetes, alcoholism, and vitamin B12 deficiency.