Dr. Ryan Shelton created the Vision 20 vision supplement. This doctor is the Medical Director of Zenith Labs, a group of health professionals who produce a variety of dietary foods such as anti-aging, vision, and joint health supplements. Longevity Activator, Vision 20, and Joint N-11 are some of their current dietary supplements on the market. Dr. Ryan Shelton, on the other hand, is a medical practitioner who has dedicated his entire career to medical research and practice in order to find progressive health solutions for his patients. According to him, he has already assisted hundreds of patients in achieving their personal health goals. In his spare time, he writes medical-related research papers and books.