Minimal reports of nausea, abdominal discomfort
Failure to become pain-free is not by itself a surgical complication, because persistent pain may reflect an atypical pain mechanism, incomplete decompression, irreversible nerve injury, or a pain generator outside the root-entry zone
It is primarily found in animal-based foods such as meat, fish, eggs, and dairy products
Animal studies showed fat loss without changing food intake, but it works best combined with healthy eating and activity
If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again