, plagued by recurrent vaginal infections, or simply looking to boost your overall health, taking the best probiotics for women may be a helpful next step.Probiotics are live microorganisms that have various health benefits, says , MS, RD, CSSD, LDN, a registered dietitian nutritionist and board-certified sports dietitian. They occur naturally in certain foods (like including yogurt, tempeh, and ), are added to other foods (such as ), and also come in supplement form, she explains.