Mild side effects such as pain or redness at the injection site, mild diarrhea, itching, or swelling may occur
Yamada S, Yamada K, Fukuda M
Consider subscribing to reputable health publications, attending seminars, or participating in online forums where you can exchange ideas and experiences with others
Vitamin B12 can help protect you from dark spots, promote the production of proteins that encourage healthy new skin growth, and repair damaged areas of skin
However, anecdotal reports are not the same as scientific evidence and cannot determine whether the outcome was caused by the treatment itself, another intervention, the body's natural healing process, or a combination of factors