Conflict of interest The author declares that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest
These naturally occurring varieties tend to have a well-documented safety profile, although collagen peptide side effects can include minor digestive discomfort or allergic reactions in some individuals
This therapy should not be used during pregnancy or while breastfeeding
Serum vitamin B12 levels show whether the patient is getting better
Others who might be prescribed B12 shots are those at the highest risk for a B12 deficiency, including: Vegans, since vitamin B12 is found only in animal products People ages 60 and up since their bodies don't absorb B12 as efficiently People with Crohn's disease or pancreatic disease, since they prevent nutrient absorption People who had weight-loss surgery, which decreases B12 absorption People with an eating disorder People with HIV People with diabetes Since a mild B12 deficiency might not cause symptoms, it can go undetected for years since levels are not checked during routine blood work
The third site is lateral to the second site