How effective is vitamin B1 or B12 in reducing the itching and swelling caused by mosquito bites?

Research on the effectiveness of vitamin B1 or B12 in reducing itching and swelling from mosquito bites is limited and inconclusive. While some studies suggest that these vitamins may have anti-inflammatory properties that could potentially help with mosquito bite symptoms, more research is needed to determine their true effectiveness. It is recommended to use proven methods such as topical anti-itch creams or cold compresses to alleviate mosquito bite symptoms.