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MINERALS OVERVIEW
Calcium is vital for the formation of strong bones and teeth and for the maintenance of healthy gums. It is also important in the maintenance of a regular heartbeat and in the transmission of nerve impulses. Calcium lowers cholesterol levels and helps prevent cardiovascular disease. It is needed for muscular growth and contraction, and for the prevention of muscle cramps. It may increase the rate os bone growth and bone mineral density in children.
This important mineral is also essential in blood clotting and helps prevent cancer. It may lower blood pressure and prevent bone loss associated with osteoporosis as well. Calcium provides energy and participates in the protein structuring of RNA and DNA. It is also involved in the activation of several enzymes, including lipase, which breaks down fats for utilization by the body. In addition, calcium maintains proper cell membrane permeability, aids in neuromuscular activity, helps to keep the skin healthy, and protects against the development of preeclampsia during pregnancy, the number one cause of maternal death. If high blood pressure develops due to pregnancy, it can be reduced by calcium intake.
Calcium protects the bones and teeth from lead by inhibiting absorption of this toxic metal. It there is a calcium deficiency, lead can be absorbed by the body and deposited in the teeth and bones.
Calcium deficiency can lead to the following problems: aching joints, brittle nails, eczema, elevated blood cholesterol, heart palpitations, hypertension (high blood pressure), insomnia, muscle cramps, nervousness, numbness in the arms and/or legs, a pasty complexion, rheumatoid arthritis, rickets, and tooth decay. Deficiencies of calcium are also associated with cognitive impairment, convulsions, depressions, delusions, and hyperactivity.
SOURCES
Calcium is found in dairy foods, salmon (with bones), sardines, seafood, and dark green leafy vegetables. Food sources include almonds, asparagus, blackstrap molasses, brewer's yeast, broccoli, buttermilk, cabbage, carob, cheese, collards, dandelion greens, dulse, figs, filberts, goat's milk, kale, kelp, milk, mustard greens, oats, prunes, sesame seeds, soybeans, tofu, turnip greens, watercress, whey, and yogurt.
Herbs that contain calcium include alfalfa, burdock root, cayenne, chamomile, chickweed, chicory, dandelion, eyebright, fennel seed, fenugreek, flaxseed, hops, horsetail, kelp, lemon grass, mullein, nettle, oat straw, paprika, parsley, shepherd's purse, violet leaves, yarrow, and yellow dock.
COMMENTS
The amino acid lysine is needed for calcium absorption. Food sources of lysine include cheese, eggs, fish, lima beans, milk, potatoes, red meat, soy products, and brewer's yeast. Lysine is also available in supplement form.
Female athletes and menopausal women need greater amounts of calcium than other women because their estrogen levels are lower. Estrogen protects the skeletal system by promoting the deposition of calcium in bone.
Heavy exercising hinders calcium uptake, but moderate exercise promotes it. Insufficient vitamin D intake, or the ingestion of excessive amounts of phosphorus and magnesium, also hinders the uptake of calcium.
If you are taking medication for osteoporosis, a supplement containing vitamin D and calcium, is required to help the medicine work properly. other types of prescription medicines, such as steroids and anticonvulsants (anti-seizure drugs), interfere with bone metabolism, and taking supplemental calcium will help with that.
If calcium is taken with iron, they bind together, presenting the optimal absorption of both minerals. It is therefore best to take calcium and iron at different times. Too much calcium can interfere with the absorption of zinc, and excess zinc can interfere with calcium absorption (especially if calcium intake is low). For most people, the best ratio between supplemental calcium and zinc is up to 2,500 mg of calcium with 50 mg of zinc daily. A hair analysis can determine the levels of these and other minerals in the body.
A diet that is high in protein, fat, and/or sugar affects calcium uptake. The average American diet of meats, refined grains, and soft drinks (which are high in phosphorus) leads to increased excretion of calcium. Consuming alcoholic beverages, coffee, junk foods, excess salt, and/or white flour also leads to the loss of calcium by the body. A diet based on foods such as vegetables, fruits, and whole grains, which contain significant amounts of calcium but lower amounts of phosphorus, is preferable.
Oxalic acid (found in almonds, beet greens, cashews, chard, cocoa, rhubarb, soybeans, and spinach) interferes with calcium absorption by binding with it in the intestines and producing insoluble salts that cannot be absorbed. The normal consumption of foods containing oxalic acid should not pose a problem, but overindulgence in these foods inhibits the absorption of calcium. Oxalic acid can also combine with calcium to form calcium-oxalate kidney stones. Studies have shown, however, that taking magnesium and potassium supplements can prevent the formation of this type of stone.
Calcium supplements are more effective when taken in smaller doses spread throughout the day and before bedtime. This mineral works less effectively when taken in a single mega dose. Most experts agree that no more that 500 mg should be taken at one time, as this is the maximum amount the body can absorb in one dose. However, because calcium also promotes a sound sleep shen taken at night, and because a high-fiber diet can interfere with calcium absorption, some recommend taking a single dose at bedtime. The National Academy of Sciences recommends an intake of at least 1,000 to 1,300 mg of calcium per day, particularly for those who have or are at risk of developing osteoporosis. Because the body is more likely to absorb a higher percentage of the calcium when taken in smaller doses, it is recommended that an individual should take 1,500 to 2,000 mg in divided doses with food throughout the day.
Some vitamin companies use a compound called D1-calcium phosphate in their products. This form of calcium is insoluble and interferes with the absorption of the nutrients in a multi-nutrient supplement. Antacids such as Tums are not recommended as a source of calcium. While they do contain calcium, if taken in quantities sufficient to serve as a source of this mineral, they would also neutralize the stomach acid needed for calcium absorption. Additionally, a significant percentage (estimates range from 20 to 40 percent) of people over the age of 60 may have a condition called atrophic gastritis. This is a chronic inflammation of the stomach, and it reduces the ability to break down the calcium carbonate contained in Tums.
Calcium Absorption Formula from A. Vogel Homeopathic is a sublingual calcium supplement that is especially effective for growing children, older adults, pregnant women, and anyone else who has difficulty swallowing pills.
CAUTIONS
Calcium may interfere with the effects of verapamil (calan, Isoptin, Verelan), a calcium channel blocker sometimes prescribed for heart problems and high blood pressure.
Calcium can also interfere with the effectiveness of tetracycline, thyroid hormone, certain anticonvulsants, and steroids. Consult your health care provider before taking supplemental calcium if you must take any of these drugs.
Phenobarbital and diuretics may cause a deficiency of calcium. Although several major studies have shown that added calcium in the diet does not appear to increase the risk for either a first or repeat attack of kidney stones, persons with a history of kidney stones or kidney disease should not take calcium supplements except on the advice of a health care provider. The maximum safe dosage of supplemental calcium is now placed at 2,500 mg per day.
HEALTH BENEFITS
Most of the body's calcium is stored in the bones and teeth, where it is instrumental in keeping them strong. The small amount of calcium circulating in the bloodstream helps to produce the hormones and enzymes that regulate energy release, digestion, and metabolism. Calcium also facilitates the movement of nutrients across cell membranes. In addition, this mineral helps nerve cells to communicate normally, aids muscle contraction, and promotes blood clotting. To perform these essential functions, the body simply takes as much calcium as it needs from the bones. Unfortunately, if there's too little calcium in your diet to replenish this supply, your bones will eventually suffer, and become porous, weak, and prone to breaking.
Calcium is often taken in supplement form in combination with vitamin D and magnesium. The body actually makes vitamin D when the skin is exposed to sunlight; vitamin D is also readily available through food (fortified milk is an excellent source). Between 200 and 400 IU of vitamin D are needed daily to ensure that calcium will be properly absorbed and used. And because calcium can inhibit the absorption of magnesium--an important healing mineral in its own right - many conditions, from depression to anxiety, should be treated with a calcium and magnesium combination.
SPECIFIC CONDITIONS CALCIUM MAY HELP
Maintain healthy bones and prevent or slow osteoporosis. Getting enough of this mineral every day, over a lifetime, will help prevent this bone-thinning disease, which can gradually lead to bone fractures, stooped posture, and loss of height. Although the body is best equipped to absorb calcium and establish adequate bone mass (mineral content) before age 35, everyone can benefit from high calcium intake to maintain the health of bones (and teeth). In fact, studies of people over age 65 show that adding calcium-rich foods and calcium supplements to their diet reduces their risk of bone loss and fractures.
Relieve back pain. If you suffer from back problems, try calcium, alone or in combination with magnesium, to help strengthen your bones and cartilage.
Treat high blood pressure. Some studies have found that calcium supplements can keep blood pressure in check. A few studies even indicate that a diet rich in calcium derived from low-fat dairy products, fruits, and vegetables may be as effective as some prescription medications at lowering high blood pressure. Because calcium helps muscles to contract, it also keeps the heart and blood vessels performing efficiently.
Prevent colon cancer. Recent studies suggest that individuals who are susceptible to colon cancer are less likely to develop the disease if they follow a calcium-rich diet or take calcium supplements. The mineral seems to reduce the irritating effects of bile acids and fatty acids in the colon, which, if left unchecked, can cause abnormal cell growth.
Ease the symptoms of PMS and endometriosis. A growing body of research indicates that calcium supplements may relieve irritability, mood swings, depression, and other PMS symptoms. The theory is that low calcium levels contribute to PMS-related hormonal imbalances. A recent study of hundreds of women reported that daily calcium supplements (two 750 mg tablets twice a day) reduced the severity of PMS symptoms by nearly 50%, compared with only a 30% reduction for women taking a placebo. And for women who suffer from painful cramps as a result of endometriosis, research indicates that taking magnesium along with calcium during menstruation may bring some relief.
Reduce heartburn. Taking calcium carbonate in the form of antacid tablets such as Tums can neutralize gastric acid and relieve the burning sensation and other symptoms of heartburn. The chewable tablets provide the fastest relief.
Fight insomnia. Some people experience sleep problems due to low levels of calcium. Supplementing the diet with calcium as well as magnesium--another nutrient that may be depleted in insomnia sufferers--may ultimately lead to sounder slumber.
Prevent migraines. Taking calcium and magnesium on a long-term basis may thwart these debilitating headaches. Both minerals help to maintain healthy blood vessel function throughout the body, including the brain.
Note: Calcium has also been found to be useful for a number of other disorders. For information on these additional ailments, see the Dosage Recommendations Chart for Calcium.
SUPPLEMENTAL FORMS
Supplements may be found in these various forms:
- Tablet.
- Softgel.
- Powder.
- Liquid.
- Capsule.
Calcium supplements are used to prevent and to treat calcium deficiencies. There are conflicting recommendations about when to take calcium supplements. However, most experts agree that no more than 500 mg should be taken at a time because the percent of calcium absorbed decreases as the amount of calcium in the supplement increases. It is recommended to spread doses throughout the day, with the last dose near bedtime. Recommended daily calcium intake varies from 1000 to 1500 mg, depending upon the stage of life.
In July 2006, a report citing research from Fred Hutchinson Cancer Research Center in Seattle, Washington claimed that women in their 50s gained 5 pounds less in a period of 10 years by taking more than 500 mg of calcium supplements than those who did not. However, the health care provider in charge of the study, Dr. Alejandro J. Gonzalez also noted it would be "going out on a limb" to suggest calcium supplements as a weight-limiting aid.
CALCIUM CARBONATE is the most common and least expensive calcium supplement. It can be difficult to digest and causes gas in some people. Taking magnesium with it can help to prevent constipation. Calcium carbonate is 40% elemental calcium. 1000 mg will provide 400 mg of calcium. It is recommended to take this supplement with food to aid in absorption. In some calcium supplements based on calcium carbonate, vitamin D is added to aid in absorption. Vitamin D is needed for the absorption of calcium from the stomach and for the functioning of calcium in the body.
CORAL CALCIUM is a salt of calcium derived from fossilized coral reefs. Coral calcium is comprised of calcium carbonate and trace minerals.
CORAL CALCIUM
Coral calcium is a product that has been heavily marketed, usually by means of infomercials on television. Is this the calcium we are talking about? Well, yes and no. Coral calcium does not contain calcium, but it is also mixed with more than 70 other minerals. This is because it is a product derived from old (dead) coral reefs that are dug (or dredged) and then ground up. Thus, it isn't just plain calcium carbonate (limestone) but is a mixture of tiny, porous particles that contain all of the minerals the living coral deposited throughout life.
What are the benefits, if any? The absorption of calcium might be slightly higher than with other supplements, but there are many wild claims out there that should be viewed with skepticism. Whether or not the added trace minerals are beneficial has not been fully tested, and there is a question about consistency of the product - how much of each trace mineral there is in a given dose. What is known is that calcium does appear to be more effective when taken with other minerals. Avoid any products that claim miracle cures, or ones that supposedly contain special microbes (there shouldn't be any because the coral is sterilized after it is dug out). Also avoid a product that purports to have a lot of magnesium, since we know that magnesium and calcium should not be taken together (they neutralize each other). If a calcium-magnesium product is taken, the calcium-magnesium ration should be 2:1 (2 parts calcium per 1 part magnesium). This means that if a supplement has 500 mg calcium, the magnesium should not be any higher than 250 mg. Also, some products appear to have been contaminated with lead, and that definitely should not be ingested by anyone.
CALCIUM CITRATE is more easily absorbed (bioavailability is 2.5 times higher than calcium carbonate), easier to digest and less likely to cause constipation and gas than calcium carbonate. It also has a lower risk of contributing to the formation of kidney stones. Calcium citrate is about 21% elemental calcium. 1000 mg will provide 210 mg of calcium. It is more expensive than calcium carbonate and more of it must be taken to get the same amount of calcium.
CALCIUM PHOSPHATE costs more than calcium carbonate, but less than calcium citrate. It is easily absorbed and is less likely to cause constipation and gas than either.
CALCIUM LACTATE & CALCIUM ASPARTATE are both more difficult to digest and are more expensive than calcium carbonate.
CALCIUM CHELATES have been chemically bonded with an agent that the body recognizes as food. This form is generally known to be better absorbed by the human body than all other forms of calcium due to the bond.
The National Nutritional Food Association - NNFA (Newport Beach, CA) defines a chelate very specifically, and several criteria must be met in order for chelation to actually occur. Some of the claimed "chelates" on the market are the various Krebs (Citric Acid) Cycle chelates, such as citrate, malate, and aspartate. Dicalcium malate (chelated with malic acid) is a newer form of a true calcium chelate. It contains a high amount of elemental calcium (30%).
NUTRITION
Calcium is an important component of a healthy diet. Calcium is essential for the normal growth and maintenance of bones and teeth, and calcium requirements must be met throughout life. Long-term calcium deficiency can lead to osteoporosis, in which the bone deteriorates and there is an increased risk of fractures. While a lifelong deficit can affect bone and tooth formation, over-retention can cause hypercalcemia (elevated levels of calcium in the blood), impaired kidney function and decreased absorption of other minerals.
High calcium intakes or high calcium absorption were previously thought to contribute to the development of kidney stones. However, more recent studies show that high dietary calcium intakes actually decrease the risk for kidney stones. Vitamin D is needed to absorb calcium. Dairy products, such as milk and cheese, are a well-known source of calcium. However, some individuals are allergic to dairy products and even more people, particularly those of non Indo-European descent, are lactose-intolerant, leaving them unable to consume non-fermented dairy products in quantities larger than about half a liter per serving. Others, such as vegans, avoid dairy products for ethical and health reasons. Fortunately, many good sources of calcium exist. These include seaweeds such as kelp, wakame and hijiki; nuts and seeds (like almonds and sesame); blackstrap molasses; beans; oranges; amaranth; collard greens; okra; rutabaga; broccoli; dandelion leaves; kale; and fortified products such as orange juice and soy milk. An overlooked source of calcium is eggshell, which can be ground into a powder and mixed into food or a glass of water. Cultivated vegetables generally have less calcium than wild plants.
RECOMMENDED CALCIUM INTAKE
The government recently established new goals for the daily intake of calcium for men and women. Called AI (Adequate Intake), the figures below supplant the old RDA (Recommended Daily Allowance) and represent the amount of daily calcium that all individuals in the following age groups should try to meet:
- For men and women ages 19 to 50: 1,000 mg a day.
- For men and women ages 50 to 70: 1,200 mg a day.
Recommended Adequate Intake by the IOM for Calcium: Age Calcium (mg/day) 0-6 months 210 7-12 months 270 1-3 years 500 4-8 years 800 9-18 years 1300 19-50 years 1000 51+ years 1200
The calcium content of most foods can be found in the USDA National Nutrient Database. For more information on Adequate Intake and other dietary guidelines, see Government Dietary Guidelines.
MoonDragon's Nutritional & Food Analysis Guide Index
If You Get Too Little: Over time, a calcium deficiency can cause thinning of the bones, which can result in osteoporosis or other bone problems.
Insufficient amounts of calcium in the blood can provoke muscle spasms.
If You Get Too Much: Even at daily doses as high as 2,500 mg from both food and supplement sources, calcium appears to be safe.
The absorption of zinc, iron, and magnesium may be hindered by calcium, particularly when calcium is taken in high doses. Take a multi-mineral supplement to ensure balanced absorption of these other nutrients.
Very high doses from calcium supplements (in the range of 2,500 mg a day) can cause kidney stones, a complication apparently due to dehydration. Be sure get plenty of fluid when taking calcium at any dosage level.
Calcium carbonate may cause gas and constipation in some cases. If this happens, switch to calcium citrate. This should resolve the problem.
GENERAL DOSAGE INFORMATION
Special tips: Your body cannot absorb more than about 500 mg of calcium at a time, so divide a daily dose of 1,000 mg, for example, into two doses of 500 mg and take them at different times of the day.
In addition, when calculating your dose, make sure to look at the amount of "pure" or "elemental" calcium, not just the weight of each pill. The packaging will usually provide this information. For example, a 600 mg calcium carbonate tablet contains 240 mg of elemental calcium.
For osteoporosis: Take 600 mg elemental calcium twice a day.
For the prevention and treatment of the majority of conditions mentioned: Every day, get 1,000 to 1,200 mg of elemental calcium from foods, supplements, or a combination of the two.
Be sure to check out the Dosage Recommendations Chart for Calcium, which lists therapeutic dosages for specific ailments at a glance. Dosages for calcium/vitamin D and calcium/magnesium combinations are listed as well.
GUIDELINES FOR USE
Make sure to get l,000 to l,200 mg of elemental calcium daily.
Take calcium with food - it is best absorbed that way. Orange juice and other foods with calcium citrate mixed right in can now easily be found on grocery store shelves.
Avoid calcium supplements made from bone meal, oyster shells, or dolomite; they may contain high levels of lead.
People over age 65 are advised to use calcium citrate because they may not have enough stomach acid to absorb calcium carbonate.
GENERAL INTERACTION
Do not consume calcium within one to three hours of taking an antibiotic such as doxycycline, minocycline, or tetracycline. It may decrease the absorption of the drug.
If you use thiazide diuretics, consult your health care provider before taking calcium supplements. When taken together, they can cause dangerously high calcium levels in the body, possibly resulting in kidney failure.
CALCIUM - DRUG INTERACTIONS
Bisoprolol Fumarate/Hydrochlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Chlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Chlorthalidone: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Doxycycline: Calcium may decrease the absorption of doxycycline. Do not take calcium within 1 to 3 hours of ingesting doxycycline.
Enalapril/Hydrochlorothiazide (HCTZ): Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Hydrochlorothiazide (HCTZ): Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Hydrochlorothiazide/Triamterene: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Indapamide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Lisinopril/Hydrochlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Metolazone: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Minocycline: Calcium may decrease the absorption of minocycline. Do not take calcium within 1 to 3 hours of ingesting minocycline.
Moexipril Hydrochloride/Hydrochlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Propranolol/Hydrochlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Spironolactone/Hydrochlorothiazide (HCTZ): Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Tetracycline Hydrochloride: Calcium may decrease the absorption of tetracycline. Do not take calcium within 1 to 3 hours of ingesting tetracycline.
Valsartan/Hydrochlorothiazide: Consult your health care provider. Taking together may cause a buildup of excessive, possible toxic, calcium levels in the body, leading to kidney failure.
Ailments Dosage Osteoporosis Muscle Aches & Pains Cancer Prevention Gum Disease Heartburn Kidney Stones Hyperthyroid Hypothyroid
CALCIUM SUPPLEMENTS & PRODUCTS
Calcium Ionic Mineral Supplement, Fully Absorbable, 700 +/- ppm, 16 fl. oz.
WaterOz Ionic Calcium is a pure liquid Calcium supplement. Calcium is one of the most essential of the major biochemical elements needed in human nutrition. It is needed in every organ of the body, including the brain. Calcium is called the "knitter" because it promotes healing or knitting everywhere in the body. It is valuable for tone, power, strength, longevity, vitality, and endurance, healing of wounds, counter-acting acids, and helping regulate metabolism.
Calcium Citrate Malate Complex, Nature's Way, 500 mg, 250 Caps
Take Nature's Way Citrate Malate complex for superior calcium uptake and for proper bone development and muscle function.
Calcium Gluconate Powder, NOW Foods, 100% Pure, 7 oz.
Calcium, naturally occurring in some foods, is a mineral that is necessary for bone maintenance and formation and many other normal functions of the body and calcium can also aid in the removal of other minerals from the body.
Calcium Carbonate Powder, NOW Foods, 12 oz.
NOW Foods Calcium Carbonate is a basic calcium supplement that contains one of the highest concentrations of elemental calcium, about 40%, making it an optimal formulation for supporting healthy bones and teeth.
Coral Calcium With ConcenTrace Supplement, Trace Minerals, 60 Caps
Coral Calcium with ConcenTrace, Coral Calcium Supplement, is one of the best pH coral calcium available.
Calcium Citrate / Malate Complex, Nature's Way, 500 mg, 100 Caps
Take Nature's Way Calcium Citrate Malate complex for superior calcium uptake and for proper bone development and muscle function.
Kid Cal Chewable Calcium, 100 Chewable Tablets
These animal-shaped chewable calcium lozenges have a great taste that kids will enjoy, making it easy for them to get the calcium they need to grow strong and healthy.
TerraMin Calcium Montmorillonite Clay, 250 Tabs
TerraMin Calcium Montmorillonite Clay is a 100% natural product that contains more than 60 macro, micro, and trace mineral elements.
TerraMin Calcium Montmorillonite Clay, Powder Supplement, 2 lb.
TerraMin Calcium Montmorillonite Clay is rich in calcium for bones/joints, detoxifies, aids digestion/metabolism, and improves overall health.
Calcium Caseinate Powder, NOW Foods, 100% Pure, 2 lbs.
Calcium Caseinate is a biologically-unique grade of protein derived from milk, and is low in fat, lactose and sodium.
Bone Calcium, NOW Foods, 120 Tabs
Bone Calcium is a unique nutritional supplement formulated with calcium-rich, high collagen Microcrystalline Hydroxypatite (MCH). MCH is the actual form of calcium found naturally in bone tissue. It provides both the organic and inorganic constituents found in the skeletal structure. It also contains Vitamin D and trace minerals to help support calcium utilization.
Coral Calcium Complex Bioavailable, Nature's Way, 200 mg, 180 Caps
Coral Calcium provides bioavailable calcium as well as other vitamins & minerals. Nature's Way Coral Calcium from Okinawa is fossilized and gathered from above the sea.
Coral Calcium (Okinawa) Plus W/Magnesium & Vitamin D, 100% Natural, NOW Foods, 500 mg, 100 Vcaps
Okinawa Coral Calcium Plus with Magnesium, Vitamin D and 70 other trace minerals provides essential minerals, restores body alkalinity, supports the immune system, and is bio available for better absorption.
Coral Calcium With ConcenTrace, Orange Vanilla, Trace Minerals, 1000 mg, 32 fl oz.
Coral Calcium with ConcenTrace contains a highly absorbable form of every mineral needed by the body.
Coral Calcium Complex Liquid, 100% Pure Okinawan, Dynamic Health, 32 fl. oz.
Coral Calcium Liquid provides valuable marine nutrients.
Coral Calcium (Okinawa) Powder, NOW Foods, 6 oz.
Okinawa Coral Calcium Plus with Magnesium, Vitamin D and 70 other trace minerals provides essential minerals, restores body alkalinity, supports the immune system, and is bio available for better absorption.
Just An Ounce Calcium & Magnesium, Almond Flavor, 16 fl. oz.
Just An Ounce, Calcium and Magnesium Liquid can help with the development of strong bones and teeth, also prevents muscle cramping, risk of colon cancer, maintain regular heart beat, protects against osteoporosis and helps relax the central nervous system.
Natural Calm Plus Calcium Anti-Stress Drink, Peter Gillham's Natural Vitality, 8 oz.
A superior formulation for best calcium assimilation. Peter Gillham's Natural Calm Plus Calcium is formulated with 3 parts magnesium to 2 parts calcium, which will prevent a surplus of calcium robbing the body's vital magnesium supply and avoid the symptoms associated with depleted levels of magnesium.
Bone Strength, NOW Foods, 240 Caps
Microcrystalline Hydroxyapatite (MCHA)is a natural compound that makes up the crystalline matrix of bone and teeth, and is the substance that gives them their rigidity. MCHA is a highly absorbable Calcium and Phosphorus, which are the major mineral components of bone. NOW Bone Strength is a comprehensive bone support product providing 4 g (4,000 mg) of MCHA. It also contains Magnesium and Trace Minerals, as well as Vitamins C, D and K to aid in the synthesis and maintenance of bone tissue.
Barefoot On Coral Calcium: An Elixir Of Life? By Robert Barefoot
Robert Barefoot presents a powerful argument for the wide-ranging health benefits of marine coral minerals.
Coral Calcium (Okinawa), Organic, NOW Foods, 1000 mg, 100 Vcaps
This exceptional complex of fossilized coral calcium is naturally enriched with an abundance of trace minerals that allow for effortless absorption and optimal utilization.
Magnesium & Calcium, NOW Foods, 250 Tabs
This reverse ratio formula is designed to provide higher levels of Magnesium for those who desire the nerve, muscle and bone supporting effects of this essential mineral. Zinc and Magnesium are involved in hundreds of enzyme systems in the body.
Cal-Mag Pre-chelated Calcium & Magnesium, Vital Earth, 240 Gelcaps
Cal-Mag is pre-chelated to boost absorbability by 40% to 50%. Also this formula contains the 3 most absorbable forms of calcium: Aminoate, Glycinate, and Citrate/Malate, plus the additional components necessary to create essential co-factor reactions for maximum uptake, utilization, and assimilation. 240 Gelcaps-one month supply.
Cal-Mag Liquid, Vital Earth, 32 oz.
Cal-Mag Liquid 30 Day Supply. Liquid Calcium and Magnesium with Fulvic, Vitamin D, Phosphorous, and Potassium. Low glycemic, diabetic friendly, alkaline pH, proper healthy ratio of calcium and magnesium.
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