Calcium is a chemical element with alkaline properties and is considered as an essential nutrient that is responsible for building strong bones and general bone health. A higher percentage of calcium in our body is present in the bones and teeth. You can get calcium from consuming foods rich in calcium. They include; raw milk, cheese, broccoli, sardines, cooked kale, yogurt, sardines, and watercress. Other foods which are considered to contain calcium include; soybeans, spinach, white beans, collards, and okra. Bariatric vitamins can also be a good source of calcium and are very important for patients who had a Bariatric surgery.