Instead, it exists as a research compound, which means its quality, purity, and concentration can vary significantly between suppliers
The Hct level was decreased in 7 patients (63.6 %) with a history of gastrectomy and 4 patients (36.4 %) without a history of gastrectomy ( P = 0.395)
B12 is naturally found in animal products such as meat, fish, eggs, and dairy
Gradual dose reduction rather than abrupt cessation may improve weight maintenance, though evidence is limited
When the body is deficient in vitamin B12, it cannot produce the number of healthy red blood cells for the body to function properly
It also plays a role in energy homeostasis and cellular metabolism