It also plays a role in converting homocysteine, an amino acid, into methionine, thereby helping to maintain healthy homocysteine levels
Studies as early as 1998 validate the use of correct oral treatment as being equally effective as injections, with a conclusion that stated: In cobalamin deficiency, 2,000mcg of cyanocobalamin administered orally on a daily basis was as effective and may be superior for raising blood B12 levels as 1,000mcg administered intramuscularly on a monthly basis
Nutrient Deficiencies and Lab Results Low levels of B12, B6, or other B vitamins might warrant an initial round of weekly or biweekly injections until levels stabilize
Groups with Higher Needs or Risks [10] : Pregnancy & Lactation: Marginal biotin deficiency occurs in up to one-third of pregnant women and is also seen in lactating women, even with normal intake
Journal of Agricultural and Food Chemistry
People who undergo gastric bypass surgery are also often B12 deficient