Every dose from 2.5mg through 15mg fits within a single 1 ml syringe
Some people are unable to manufacture Intrinsic Factor, a condition called pernicious anemia, making it impossible to absorb Vitamin B12 from foods or oral supplements
These injections provide a fast and effective way to raise B12 levels in the body, especially for those who cannot absorb the vitamin through their diet or supplements
see Table 1) ( TABLE 1 Vitamin B12 Adequate Intake [AI] across life course ( Comparable age groupings are proposed in the Dietary Guidelines for Americans, though the recommended intake levels differ, beginning at 0.5 g in infancy, increasing to 2.4 g for adults, and rising modestly during pregnancy and lactation (2.6 g and 2.8 g, respectively
This guide explains why B12 levels drop, the symptoms to look out for, and how B12 injections can help restore energy and wellbeing