
Methylmalonic acid (MMA) concentration in blood serves as a functional marker of vitamin B12 status. Elevated MMA levels often indicate a deficiency in vitamin B12, even before standard serum B12 levels drop... Read more »

Methylmalonic acid (MMA) is a substance produced in the body when vitamin B12 is not available in sufficient quantities to properly process certain proteins. Elevated MMA levels in the blood or urine... Read more »

Methylmalonic acid (MMA) and homocysteine are metabolic intermediates. Elevated concentrations of these substances in the blood often indicate a disruption in specific metabolic pathways. One common cause of such disruption is vitamin... Read more »

Methylmalonic acid (MMA) and homocysteine are metabolites whose levels in the blood can help differentiate between vitamin B12 and folate deficiencies. Both deficiencies can lead to elevated homocysteine, while only a B12... Read more »

Methylmalonic acid (MMA) is a key indicator used to differentiate between vitamin B12 (cobalamin) and vitamin B9 (folate) deficiencies. Both vitamins are crucial for DNA synthesis and cell division, and a deficiency... Read more »