And that's the tea bag itself. A recent study published in ... the digestive system, and immunity, according to certified gastrointestinal nutritionist Alyssa Simpson, RDN, CDN, CLT.

A cup of herbal tea is all that you need to rev up your immunity. Made with dried flowers, spices, herbs, herbal teas are loaded with good health. Mint and ginger tea is a classic beverage to boost ...