nutrition vs health in Korean
영양vs건강

영양nutrition
Nutrition (영양) is the healthy energy and goodness your body gets from food. We use this word when talking about food that helps you grow, stay strong, and feel well. You can say a food has a lot of nutrition or that someone needs good nutrition.
When to use nutrition
건강health
Health means your body and mind are well. In Korean, 건강 means health, and people often use it when talking about food, exercise, sleep, and daily habits. You can use it to say something is good for your health or to talk about staying healthy.
When to use healthHow they differ
건강 means your overall health or physical condition. 영양 is one part of health and comes from what you eat.