Methods and formulations promoting tissue/organ regeneration, longevity and healthspan

A method comprising:

• identifying a subject in need of diet modification;
• and
• administering a first diet to the subject for a first time period, the first diet providing 4.5 to 7 kilocalories per pound of subject for a first day and 3 to 5 kilocalories per pound of subject per day for a second to fifth day of the first diet, the first diet including,
• less than 30 g of sugar on the first day;
• less than 20 g of sugar on the second to fifth days;
• less than 28 g of proteins on the first day;
• less than 18 g of proteins on days the second to fifth days;
• 20 to 30 grams of monounsaturated fats on the first day;
• 10 to15 grams of monounsaturated fats on the second to fifth days;
• between 6 and 10 grams of polyunsaturated fats on the first day;
• 3 to 5 grams of polyunsaturated fats on the second to fifth days;
• less than 12 g of saturated fats on the first day;
• less than 6 grams of saturated fats on the second to fifth days;
• and
• 12 to 25 grams of glycerol per day on the second to fifth days.