Woman using microscope

About the owner, Dr. Shefrin:

David K. Shefrin, N.D., owner of Bezwecken, is a lecturer, practitioner and formulator who has helped thousands of healthcare professionals become more knowledgeable and confident in treating women’s healthcare needs.

With over 45 years of experience in natural medicine, Dr. Shefrin has developed effective formulas that deliver consistent results for your patients. David K. Shefrin, N.D. earned his naturopathic medical degree from the National University of Natural Medicine (NUNM) in Portland, Oregon in 1975 after completing his premed studies at the University of California at Davis. Following graduation from NUNM, Dr. Shefrin furthered his postgraduate studies at Instituto Politecnico Nacional where he honed his knowledge of homeopathic medicine. From 1988-1994, Dr. Shefrin was an instructor at NUNM. He also owned a private clinic where he practiced natural medicine.

In 1989, Dr. Shefrin completed his Bachelor of Science degree from the University of the State of New York at Albany. In 1991, after many years of successful practice, Dr. Shefrin established Bezwecken, in order to provide patients with dietary supplement and cosmetics that would provide effective and consistent results. Bezwecken’s products are unmatched in the industry and have established a loyal following. For this reason, Bezwecken is now celebrating 28+ years of excellence in the industry.