Opioids are substances that act on opioid receptors to produce morphine-like effects. Medically they are primarily used for pain relief, including anesthesia. Other medical uses include suppression of diarrhea, treating addiction, reversing opioid overdose, suppressing cough, and suppressing opioid induced constipation.
Other foods that are high in calcium include: 1  Spinach. 2  Kale. 3  Okra. Collards. 4  Soybeans. White beans.  Some fish, like sardines, salmon, perch, and rainbow 1  trout. Foods that are calcium-fortified, such as some orange juice, oatmeal, and breakfast  cereal.
Milk and dairy products are some of the best food sources of calcium. These include milk, yogurt, and cheese. Broccoli helps to increase the intake of calcium, and is thus a very good source of calcium. Certain foods such as fruit juices and drinks, cereals, and tofu, are fortified with calcium.alcium supplements offer a good source of calcium and help protect bones and teeth. Most commonly, calcium is present in supplements mainly in the form of carbonates and citrates. It is also present in supplements or certain fortified foods in the form of phosphates, gluconates, and lactates, to some extent. Medicines: