Vetri-Science Laboratories" Bladder Strength for Dogs is an advanced combination of ingredients that work together to support normal bladder function and bladder health. It is also recommended for spayed and senior pets to help maintain bladder control. About the formula: Pumpkin seed powder has been used for prostate and bladder health and is beneficial to urinary tract health due to its cleansing action. It also strengthens bladder muscle and supports bladder emptying. Rehmannia glutinosa is a Chinese herb that supports renal function, and healthy levels of estradiol in females and testosterone in males. Wild yam provides phytoestrogens and relaxes urinary tract muscles. Soy protein extract contains isoflavones that provide phytoestrogens to help maintain normal bladder muscle tone that is lost after spaying or due to aging because of lower estrogen levels. Corn silk powder contains polysaccharides and mucilage that can help support urinary tract comfort by fortifying mucosal GAG layers. Saw palmetto extract helps support normal bladder control and muscle tone. Olive leaf extract supports healthy microflora in the G.I. tract. Vitamin B6 supports normal urine output and bladder function.