something that is added to something else in order to improve it or complete it; something extra
The doctor said she should be taking vitamin supplements.
The money I get from teaching evening night classes provides a supplement to my main income.
The doctor recommended a vitamin supplement to address nutritional deficiencies.
Athletes often use protein supplements to support muscle recovery after intense workouts.
A well-balanced diet may not require additional supplements for most individuals.
The magazine included a health supplement providing tips on nutrition and fitness.
