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.
The government also suggests dairy as a key source of calcium, but this is not always health promoting. Dark green leafy vegetables supply a more usable form of calcium, as do a number of herbs, seeds, beans and legumes. From an optimal use perspective, daily intake of calcium should be 750 mg â 800 mg. Calcium does not work alone in your body. It requires vitamin D, parathyroid hormone and healthy saturated fat in order to be utilized for strong bones, teeth and muscles.