As long as you are taking semaglutide, B12 supplementation is advisable
Cyanocobalamin injection, USP: Package insert
What are the benefits of getting B-12 injections
Food & Drug Administration
The agency noted that "ideally, everyone should be vaccinated by the end of October." FLU SHOT RECOMMENDATIONS FROM THE CDC: VACCINATION SHOULD CONTINUE THROUGHOUT THE SEASON Other groups, including those over 65 years old and pregnant women, should not get vaccinated earlier than September, as protection may decrease over time, the agency said
However, these injections can be painful and may cause adverse events such as infections and bruises, making self-administration challenging for elderly patients