"The Collagen Diet" by Dr Josh Axe is a paperback book published in 2020. It is a follow-up to his bestselling book "Keto Diet" and focuses on the benefits of incorporating collagen into your diet. The book offers practical advice and recipes for harnessing the power of collagen to improve your health and well-being. With its informative content and engaging style, "The Collagen Diet" is a must-read for anyone interested in exploring the potential health benefits of collagen."