Bezwecken is a natural dietary supplement and cosmetic company dedicated to promoting effective alternatives for your patients health needs. We sell exclusively to licensed healthcare professionals because we strongly believe in the importance of the patient-practitioner relationship.

Bezwecken’s promise is to provide practitioners safe and effective products using only the highest quality ingredients for their patients. We manufacture and distribute a range of products that have been scientifically researched, formulated and developed by the owner, Dr. David K. Shefrin, ND. Dr. Shefrin is a well respected leader in the dietary supplement industry.

Progonol™ (2oz/56 grams)

Commonly used for the symptoms associated with PMS and pre-menopause.