Calcium What is it? (physiology and clinical effects) Calcium is the most abundant mineral in the body, crucial for the formation of strong bones and teeth. It is also vital for proper nerve and muscle function, maintenance of regular heartbeat, and blood clotting. There are many forms of calcium, taken as supplement: calcium carbonate, calcium citrate, calcium gluconate, and calcium phosphate. Clinically relevant conditions: Osteoporosis Angina Hypertension Hypercholesterolemia Leg cramps Chronic Fatigue Syndrome Chondromalacia Insomnia Kidney stones Preeclampsia (prevention) Premenstrual syndrome Food Sources: Kelp, collard greens, turnip greens, swiss cheese, cheddar cheese, salmon with bones, sardines, seafood, almonds, asparagus, blackstrap molasses, broccoli, carob flour, goat's milk, soybeans, tofu, whey and yogurt. Risk factors and symptoms of deficiency: (who is likely deficient) Signs of deficiency include aching joints, brittle nails, eczema, high cholesterol, high blood pressure, heart palpitations, insomnia, muscle cramps, numbness in extremities, rickets, and tooth decay. Female athletes and menopausal woman require greater amounts of calcium. Recommended dosage: (how much usually taken) 500 - 1,500 milligrams per day Contraindications:(side effects / precautions / interactions / drug interactions) Calcium interferes with the absorption of antibiotics, and may potentiate digitalis toxicity. Do not take calcium supplements if you are diagnosed with hyperparathyroidism, or hypercalcemia. Diets high in protein, caffeine, alcohol, phosphates, sodium, and sugar decrease calcium absorption. Signs of overdose include constipation, muscle spasms, gas, bloating, and calcium kidney stones. Copyright © 2006 R & G Global Holding LLC All rights reserved. www.myNDonline.com The information provided on myNDonline is not intended to replace or be used in place of medical advice given by a licensed healthcare professional.