Naturally occurring, it is found in animal-based foods such as meat, fish, milk and eggs so is readily available in many peoples daily diet
For example, concurrent use of chloramphenicol (an antibiotic) may attenuate the hematologic response to vitamin B therapy
B12 shots are commonly used for energy, focus, mood, and general wellness support
Economies of scale may be limited for peptide drugs treating rare conditions, where small patient populations cannot support large-scale manufacturing investments
As explained above, that depends on your gender, weight, metabolism, genetic factors, and use of medications and other intoxicating substances
Youre more likely to have low vitamin B12 levels if you: Follow a vegan or vegetarian diet Have pernicious anemia Have Crohns disease , atrophic gastritis, or celiac disease Have a BMI over 30 Have had intestinal surgery or gastric bypass surgery Take medications for heartburn or GERD Are over 50 years old Are pregnant Ask your primary care provider about getting your vitamin B12 levels checked if youre over 50 years old or at risk for low vitamin B12 levels
