The impact of exercise on the absorption and retention of vitamin D among athletes with vitamin D deficiency or insufficiency is the subject of a thorough study by Vijay Selvan N titled Role of Exercise in the Absorption and Retention of Vitamin D Among Professional Athletes With Deficient or Insufficient Vitamin D Levels. The author's study and analysis of the topic offer insightful information about how exercise helps professional sportsmen maintain healthy levels of vitamin D.pbrpThis book is a crucial tool for athletes, coaches, and medical professionals who want to gain a better understanding of the connection between physical activity and vitamin D absorption. This book is understandable to readers from a variety of backgrounds thanks to the author's succinct and clear explanations of the subject.pbrpThe physiology of vitamin D, its effect on sports performance, and the mechanics underpinning its absorption and retention are just a few of the many topics covered in the book. Alon