Robin Berzin, MD, is a Columbia-trained physician and the founder of Parsley Health, known for advocating functional medicine, longevity, and root-cause approaches to health. Her work focuses especially on women’s health, including hormones, perimenopause, fertility, metabolic health, brain and nervous system wellbeing, nutrition, and modern environmental exposures. Through her website, Berzin shares physician-written articles and evidence-based guidance intended to make research and practical health protocols accessible in everyday life.

Readers can subscribe to Off Script, her free weekly newsletter, and receive protocols and resources such as her female longevity supplement stack. Her offerings also include self-paced courses on gut health, mental health, and whole-body resilience, as well as her book, State Change. Berzin provides media commentary and speaking on topics such as women’s longevity, hormones, GLP-1s, and the future of medicine.

Her content emphasizes addressing underlying causes rather than focusing solely on symptoms, while clearly noting that online material is educational and not a substitute for individual medical care