Regimen
(noun)
A systematic plan or set of rules for maintaining health or achieving a specific result.
Origin:
From regimen meaning "a system of rules or a plan of action".
Examples:
- I'm going to start a new exercise regimen to get in shape.
- The doctor prescribed a strict regimen for her diabetes.
- The skincare regimen includes cleansing, toning and moisturizing.
- The training regimen for the marathon is intense.
- The new regimen helped her lose weight.