What is a healthy lunch box 321?: An Easy-to-Follow Guide for Balanced Nutrition
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5 min read
According to Hong Kong's Centre for Health Protection, adopting the “Smart Lunch 321” guideline can provide children and adults with the right nutritional balance for energy, growth, and learning. This approach helps answer the crucial question, **what is a healthy lunch box 321**, by providing a simple and effective portioning guide for daily meals.
