A common story I am told when someone first tries homemade kombucha is that they sometimes experience flushed cheeks and get a bit tingly or lightheaded. This temporary sensation, called a niacin flush, usually lasts less
5+ Health Benefits of Niacin Flush - Doctors Health Press
A niacin flush is a physical reaction that occurs after you take large doses of niacin supplements. It's not dangerous, but it can be frightening.
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