{"product_id":"9780446571159","title":"Is Your Thyroid Making You Fat: The Doctor's 28-Day Diet that Tests Your Metabolism as You Lose Weight","description":"The thyroid is critical to maintaining a normal, healthy body weight. In this first-of-its-kind guide, Dr. Siegal outlines a 28-day self-test designed to identify thyroid malfunction. The program consists of eating a certain healthy percentage of protein, carbohydrates, and fat over a 28-day period, while taking weight and temperature measurements. The results are then tracked on a chart provided to monitor thyroid activity. Once an accurate diagnosis is achieved, the weight problem can be brought under control through Dr. Siegals recommended medication and a special eating plan. A groundbreaking book, Is Your Thyroid Making You Fat? is sure to change the lives of millions of readers.","brand":"Grand Central Publishing","offers":[{"title":"Default Title","offer_id":47155669663984,"sku":"9780446571159","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780446571159_p0.jpg?v=1769915113","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780446571159","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}