Anyone experiencing low energy, high stress, poor immune function, or a diet lacking in B vitamins may benefit
Some researchers have studied vitamin B12 to find out if it can increase energy and endurance during exercise, but the results are inconclusive
however, the wealth of data for SARS-CoV-2 vaccines has allowed systematic reviews and meta-analyses to integrate data from millions of vaccinations, thus resulting in some consistent rules about where vaccines have been effective [5, 29, 30]
That being said, taking the supplements when you dont need them may cause side effects like: nausea vomiting feeling tired headaches diarrhea tingling or numbness Serious side effects of the shot are rare, but may include: If you notice any side effects of the pill or shot, call your doc right away
Some individuals opt for faster absorption with IM shots, while others prefer the slower, controlled absorption that subcutaneous injections provide
They are also one of the most oversold