“Dr. Stephanie Venn-Watson has made a groundbreaking, once-in-a-century discovery that changes how we can age for the better, at all stages of life. While improving the health of older dolphins, she unexpectedly discovered the crucial ingredient we all need to slow aging and fight chronic aging-associated diseases. The Longevity Nutrient tells the rest of the story. The book entertains as it enlightens, with impressively robust science that has positively affected my own life, and I guarantee you won’t look at saturated fat the same way again.” —Mark Hyman, MD, cofounder and chief medical officer of Function Health, host of The Doctor’s Farmacy podcast, and fifteen-time New York Times bestselling author of Young Forever