In rare cases, some people may have an allergic reaction
What to consider if your results are out of range: If you're low in vitamin B12, you can incorporate B12-rich foods such as clams, mackerel, salmon, beef, dairy, or nutritional yeast into your diet, but you may still need to supplement
Patients might notice a decline in mental clarity, difficulty concentrating, or uncharacteristic mood changes
Low or borderline B12 levels could be a contributing factor to your sleep challenges
Research suggests that the abdomen may be the least painful place for a subcutaneous injection, but this may vary for each individual
Small molecules can have different storage and handling requirements than peptides