Dr. Jonathan Wright's ProsStay™ is a supplement containing high levels of vitamin C and vitamin K3 (menadione). Studies have shown that this combination in a ratio of 100:1 can help support prostate health.*

Not for use by children or by pregnant or lactating women. Before using this formulation, be sure to consult a physician skilled and knowledgeable in nutritional medicine to help you determine your individual amounts of these nutrients. If you are taking blood-thinning medication, such as warfarin, do not take any form of vitamin K, and do not make any changes in your use of supplements, without consulting a physician skilled and knowledgeable in nutritional medicine, as well as the physician prescribing the warfarin.