Table 1.

Definition of terms used to describe different types of eating patterns in this review.

Intermittent Fasting (IF)	This eating pattern involves fasting for varying periods of time, typically for 12 hours or longer.
Calorie Restriction (CR)	This eating pattern involves a continuous reduction in caloric intake without malnutrition.
Time Restricted Feeding (TRF)	This eating pattern involves restricting food intake to specific time periods of the day, typically between an 8 – 12 hours each day
Alternate Day Fasting (ADF)	This eating pattern involves consuming no calories on fasting days and alternating fasting days with a day of unrestricted food intake or “feast” day.
Alternate Day Modified Fasting (ADMF)	This eating pattern involves consuming less than 25% of baseline energy needs on “fasting” days, alternated with a day of unrestricted food intake or “feast” day.
Periodic Fasting (PF)	This eating pattern consists of fasting only 1 or 2 days/week and consuming food ad libitum on 5 to 6 days per week.