Breana Lai Killeen, M.P.H., RD, is a food editor ... was used to preserve fruits. These fruit-infused vinegar syrups are made by combining equal parts fruit, sugar, and vinegar.

One option, popular among low-carb eaters and keto aficionados, is monk fruit. Also known as luo han guo, monk fruit is a small melon native to parts of China ... M.S., R.D.N., founder of ...