Yakult is the original probiotic beverage. Created by a graduate of the Medical School of Kyoto University in 1935, Yakult has been sold door-to-door in Japan for decades. Today, it’s sold in 31 countries.Naked, a company known for it’s all natural juice smoothies, took a foray into probiotic beverages with this mango-flavored entry. Their offering differs from others by pairing friendly bacteria with fruit instead of milk.Dahlicious, the beverage startup founded by former Microsoft programmer JD Sethi, brings a traditional Indian slant to the field of probiotic beverages. It is currently only available in New England.