Infants, children and adolescents This is the period when bones need to grow. Due to the difference between breast-feeding and cow’s milk feeding, the absorption of calcium in infants is different. The absorption rate of calcium in human milk can reach 55%~60%, while the absorption rate of milk fed with cow’s milk, whether ordinary or formula, is only about 40%. Therefore, infants fed with cow’s milk alone must be supplemented with calcium. It is enough for children aged 1 to 10 to take calcium supplements every day, while women need to increase their calcium intake from the age of 12.
In the prime of life, it is necessary to maintain the bone density to the highest point. The higher the bone density, the less likely osteoporosis will occur in old age. Generally, the highest peak of bone mineral density occurs after the age of 20 until the age of more than 30, and 1200~1500 mg of calcium can be added daily.
In this period of old age, calcium in bones is easily lost. After the age of 40 or 50, the calcium output in the bone is greater than the input, so osteoporosis is easy to occur, and the calcium intake should be increased to 1000 mg.
In daily life, you can eat more foods with high calcium content. Seafood, such as fish, shrimp skin, dried shrimp, kelp, seaweed, etc., has a high calcium content and is easily absorbed by the human body; Bean products are superior calcium supplements, such as soybean milk, soybean flour, tofu, beancurd, etc; Dairy products, such as fresh milk, yogurt and cheese, are good food for children to take calcium; In addition, vegetables are also one of the sources of calcium, such as golden needle vegetables, carrots, small cabbage, small rape, etc.
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