For non-clinical laboratory reference exclusively
It's involved in many body functions, including formation of collagen, absorption of iron, the proper functioning of the immune system, wound healing, and the maintenance of cartilage, bones, and teeth
This can show up as symptoms such as delayed growth and development (failure to thrive), regression in neuromotor skills (such as losing the ability to roll over or grasp objects), failure to maintain eye contact (even in an infant who previous could do so), general muscle weakness, lethargy, excessive sleepiness, feeding difficulties, and even brain shrinkage
Hemochromatosis: Patients with this condition have an increased absorption of iron
For female subjects, add LH, FSH, and estradiol to establish baseline reproductive hormone function
B12 can also be taken as a sublingual tablet, and that may be a better choice for anyone who would rather not inject themself or purchase vitamin B12 without a prescription.
