Candida albicans is a naturally occurring yeast that typically resides in the gut as part of the normal gut flora.  NOW Candida Support is a combination of traditional herbal ingredients (pau d'arco, black walnut and oregano oil), biotin (a B-complex vitamin) and caprylic acid (a naturally occurring fatty acid derived from plant oils) that may help to support a healthy balance of intestinal bacteria. Although Candida Support is not meant to clear Candida albicans from the gut, it can help to support a healthy balance of intestinal flora