绿叶菜是隐藏的补钙高手

Core Viewpoint - The article emphasizes the importance of green leafy vegetables as a significant source of calcium, often overlooked compared to dairy products like milk and tofu [1] Group 1: Calcium Sources - Many green leafy vegetables contain calcium levels around 100 mg per 100 grams, with some exceeding the calcium content of milk [1] - The "Chinese Dietary Guidelines" recommend that adults consume 300 grams of dairy products daily, which provides approximately 300 mg of calcium [1] - The recommended intake of vegetables is 300-500 grams, and if all consumed are green leafy vegetables, they can contribute over 500 mg of calcium [1]