This supports a healthy metabolism, especially when combined with a balanced diet and regular physical activity
For treating a deficiency, injections are usually given frequently at the start, for example, several times per week or every other day for a couple of weeks, to quickly build up body stores
After injections the decline is slower, and a level can stay above the reference range for six months or more after the last dose
Beyond this window, the peptide compound degrades rapidly and loses efficacy
While Vitamin B12 can be obtained from dietary sources such as meat, fish, dairy products, and fortified cereals, some individuals may have difficulty absorbing it due to medical conditions or dietary restrictions