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  1. FREE Shipping Calcium 600 Vitamin D
    Calcium with Vitamin D. Made in America.*
    *Results May Vary Learn More

    MSRP: $14.50

    EarthTurns: $11.44
  2. FREE Shipping Osteo Support Formula

    Osteo-Support Formula™ is a comprehensive combination of vitamins, minerals, enzymes, herbals, and other nutrients

    *
    *Results May Vary Learn More
    EarthTurns: $37.60
  3. FREE Shipping Integrative Therapeutics - Calcium D-Glucarate - 90 Capsules
    Promotes healthy estrogen metabolism*
    *Results May Vary Learn More
    EarthTurns: $40.90
  4. FREE Shipping Metagenics Cal Apatite Bone Builder Active
    Metagenics Cal Apatite Bone Builder Active provides nutrients to strengthen the skeletal system*
    *Results May Vary Learn More
    EarthTurns: $68.14
    This site is not owned or operated by Metagenics, Inc.
    Product trademark(s) are trademarks of Metagenics, Inc. and are used with permission.
  5. Multiple Sizes Available FREE Shipping Metagenics Cal Apatite Bone Builder Extra Strength
    Metagenics Cal Apatite Bone Builder Extra Strength promotes increased bone density*
    *Results May Vary Learn More

    Starting at: $32.78

    This site is not owned or operated by Metagenics, Inc.
    Product trademark(s) are trademarks of Metagenics, Inc. and are used with permission.
  6. Multiple Sizes Available FREE Shipping Pure Encapsulations +CAL+ with Ipriflavone 210 Capsules
    Comprehensive bone support formula with Ipriflavone*
    *Results May Vary Learn More

    Starting at: $42.10

  7. Multiple Sizes Available FREE Shipping Pure Encapsulations Calcium (citrate) 180 Capsules
    Highly absorbable and researched calcium chelate; supports colon health*
    *Results May Vary Learn More

    Starting at: $22.90

  8. Multiple Sizes Available FREE Shipping Pure Encapsulations Calcium (MCHA) 180 Capsules
    Supports bone mineral composition*
    *Results May Vary Learn More

    Starting at: $49.60

  9. FREE Shipping Calcium K/D
    High elemental calcium per capsule with vitamins K and D; supports cardiovascular health and may reduce the risk of osteoporosis*
    *Results May Vary Learn More
    EarthTurns: $28.90
  10. FREE Shipping Pure Encapsulations Calcium with Vitamin D3 180 Capsules
    Highly absorbable calcium combined with vitamin D3 to support bone and colon health; may reduce the risk of osteoporosis*
    *Results May Vary Learn More
    EarthTurns: $25.30
  11. Multiple Sizes Available FREE Shipping Pure Encapsulations Calcium-d-Glucarate 120 Capsules
    Supports detoxification and cellular health*
    *Results May Vary Learn More

    Starting at: $61.90

  12. Supports hormone metabolism and liver detoxification.*
    *Results May Vary
  13. Solaray - Calcium Magnesium Zinc - 100 Capsules
    Supports Bones, Heart, Circulatory, Immune Systems*
    *Results May Vary Learn More

    MSRP: $12.39

    EarthTurns: $8.99
  14. FREE Shipping Osteo Guard Plus Ipriflavone
    Combines ipriflavone, a flavonoid, with calcium from microcrystalline calcium hydroxyapatite compound (MCHC) prepared from whole bone, and magnesium from amino acid chelate with excellent bioavailability.*
    *Results May Vary Learn More
    EarthTurns: $41.40
  15. Multiple Sizes Available FREE Shipping Calcium Microcrystalline Hydroxyapatite
    Calcium Microcrystalline Hydroxyapatite supplies 500 mg of elemental calcium from 2,000 mg of microcrystalline hydroxyapatite (MCHC)*
    *Results May Vary Learn More

    Starting at: $18.60

  16. FREE Shipping Calcium D Glucarate
    Calcium D-Glucarate is a supplement of D-glucaric acid bound to calcium.*
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    EarthTurns: $64.10
  17. Multiple Sizes Available FREE Shipping Calcium Citrate Supplement
  18. Multiple Sizes Available FREE Shipping Dee Cee Labs Calcium Citrate Supplement - 180 Tablets
  19. Multiple Sizes Available FREE Shipping Calcium Lactate Supplements
    Calcium lactate, for strong bones.*
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    Starting at: $9.36

  20. FREE Shipping Calcium Lactate Powder
    Calcium lactate, for strong bones.*
    *Results May Vary Learn More

    MSRP: $12.00

    EarthTurns: $8.64

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Natural Calcium Supplements

Calcium is one of the most important and abundant minerals in the body. It is absorbed in the small intestine, and this process is dependent on vitamin D. To provide the rigid structure of the skeleton calcium is vital. Approximately 3 pounds of the body's weight is calcium, 99 % being in the teeth and bones. Calcium is important in growing children to help bones grow and in the elderly, as the ability to absorb calcium becomes impaired with age.

Functions of Calcium

Together with magnesium, calcium is needed for nerves and muscles to function properly. It also helps to maintain the right acid/alkaline balance and helps blood to clot. An adult needs a daily calcium intake of between 700 and 1000mg. Those at risk of osteoporosis may need as much as 1500mg a day. This protection is boosted when combined with linoleic acid from evening primrose oil. Calcium and phosphorus work together on a ratio of two to one for healthy teeth and bones and calcium and magnesium work together for cardiovascular health. The two most deficient minerals in a woman's diet are calcium and iron.

Calcium supplements have been shown to protect against pre-eclampsia which is high blood pressure in pregnancy. It is a good idea to increase calcium consumption during the last three months of pregnancy and the first few months of lactation to ensure that the baby gets sufficient amount of calcium to help bone development and growth. If the baby doesn't get enough calcium from its mother, it will be withdrawn from the mother's bones, possibly leading to bone disease in the future.

Signs of prolonged calcium deficiency are rickets, osteomalacia and osteoporosis.

Calcium, like sodium and potassium, contributes to both extracellular and intracellular cell environment. Calcium is also needed as intercellular cement to keep the cells of the body together. It also controls fluid to allow enzyme reaction to take place. Calcium is vital for the contraction of muscle. The brain sends nerve impulses that release calcium in the muscle which triggers muscle reactions. Calcium also helps to control cholesterol.

Calcium helps in the process of secretion: bile, pancreatic fluid, gastric, intestinal, hormonal and mucous all rely on calcium to move the small droplets through the cells boundaries and cell walls.