Recently, someone asked me how to supplement calcium deficiency. I casually polled some friends nearby and received the following answers: drinking bone broth, eating eggs, taking calcium tablets, consuming seafood... The responses were indeed quite varied.
First, let's clarify why calcium is vital for the human body. Ninety-nine percent of calcium is concentrated in bones and teeth, primarily in the form of hydroxyapatite. It's easy to see that calcium deficiency first leads to diseases like osteoporosis, skeletal deformities, and rickets, followed by dental issues such as tooth decay affecting dental health.
Next, let me introduce foods that are excellent sources of calcium:
1. Milk and dairy products are the best calcium supplements
The average adult should consume 300ml of milk or dairy products daily.Typical liquid milk contains approximately 100mg of calcium per 100g, or simply 1mg per 1g of liquid milk. Regular yogurt has a similar calcium content. For those who avoid pure milk, yogurt is an excellent alternative.
Friendly Reminder:
1. Elderly individuals, children, and pregnant women should consume 500ml of milk or dairy products daily.
2. Many products labeled as "XX milk" on the market refer to pure milk or yogurt, cheese, etc. For example, milk drinks or yogurt drinks sold commercially are essentially beverages, not milk. Their nutritional value cannot be compared to milk and should not be used as a substitute for dairy products.
II. Soy Products Follow Closely
The daily soy product intake for adults should be equivalent to 40 grams of soybeans.(e.g., 200g tofu, 80g dried tofu, 30g dried bean curd sticks, 700g tofu pudding, or 800g soy milk)
Soybeans themselves are rich in calcium, and calcium-containing coagulants (such as gypsum or brine) are often added during processing, significantly boosting calcium content in soy products.One block of tofu (approximately 400g) contains roughly the same amount of calcium as two 300g cartons of milk. Beyond tofu, products like tofu skin, dried tofu, tofu rolls, mock chicken, and tofu pudding are also rich in calcium.
Important Notes:
1. While many soy products exist, not all items labeled "tofu" actually contain calcium. For example, lactone tofu uses glucono-delta-lactone as a coagulant and contains no calcium.
2. Marketed products like mung bean porridge or red bean paste [which are not made from soybeans] should be noted. The "soybeans" referenced above specifically refer to yellow soybeans.
III. Leafy Greens Are Also Excellent Sources
The recommended vegetable intake is 300-500g, as per the new dietary guidelines.We should prioritize calcium-rich vegetables: dark or leafy greens like Chinese cabbage, spinach, celery stalks, chrysanthemum greens, and broccoli. For example, 200g of Chinese cabbage per meal provides 216mg of calcium.
Friendly Reminders:
1. Vegetable selection: Choose fresh produce and prepare meals immediately to avoid leftovers.
2. Preparation methods: Wash before cutting. Avoid overcooking and limit salt intake, as excessive salt consumption impairs calcium absorption.
Truth Revealed:
1: Does bone broth really boost calcium? Calcium in pork bones is difficult to extract through boiling. Even adding vinegar only slightly increases solubility, with minimal absorption by the body.
2: Are dried shrimp shells a viable calcium source? While rich in calcium, they are impractical for regular or substantial consumption, making them an inadequate dietary source. Similar foods like sesame paste and seaweed face similar limitations.
Therefore, for those seeking calcium supplementation or prevention, focus on these three proven strategies. Remember: food-based supplementation is superior to supplements. Let's eat our way to health!