He is the founder and director of The Longevist Clinic, which specializes in personalized health consultations and services aimed at extending lifespan and improving quality of life.

Dr. Narinthorn is also the author of the book “Longevity by Design: The Science of Health Optimization for a Longer Life,” which focuses on sustainable health strategies for longevity.

He also runs a YouTube channel called “The Longevist,” where he shares educational content on health, wellness, and anti-aging.