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  1. DC Calcium 600
    Calcium Carbonate Supplement.*
    *Results May Vary Learn More

    MSRP: $10.00

    EarthTurns: $6.65
  2. Osteo Guard Plus Ipriflavone
    Supports maintaining good bone health*
    *Results May Vary Learn More
    EarthTurns: $39.80
  3. Osteo Support Formula
    Supports healthy bone structure and function*
    *Results May Vary Learn More
    EarthTurns: $36.20
  4. UltraCal
    Supports the he maintenance of adequate bone mineralization, structure and function*
    *Results May Vary Learn More
    EarthTurns: $22.40
  5. Integrative Therapeutics - Calcium - 180 Tablets
    Supports healthy bone-building action*
    *Results May Vary Learn More
    EarthTurns: $13.50
  6. Integrative Therapeutics - Calcium D-Glucarate - 90 Capsules
    Promotes healthy estrogen metabolism*
    *Results May Vary Learn More
    EarthTurns: $40.90
  7. 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: $59.25
  8. Multiple Sizes Available 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: $28.50

  9. Multiple Sizes Available Pure Encapsulations +CAL+ with Ipriflavone 210 Capsules
    Calcium supplement with Ipriflavone for osteoporosis prevention and support.*
    *Results May Vary Learn More

    Starting at: $39.30

  10. Multiple Sizes Available Pure Encapsulations Calcium (citrate) 180 Capsules
    Highly bioavailable calcium chelate.*
    *Results May Vary Learn More

    Starting at: $20.60

  11. Multiple Sizes Available Pure Encapsulations Calcium (MCHA) 180 Capsules
    Helps support women with menopausal osteoporosis.*
    *Results May Vary Learn More

    Starting at: $27.50

  12. Calcium K/D
    Calcium with added Vitamin K and D.*
    *Results May Vary Learn More
    EarthTurns: $25.50
  13. Pure Encapsulations Calcium with Vitamin D3 180 Capsules
    Helps build strong bones and prevent osteoporosis.*
    *Results May Vary Learn More
    EarthTurns: $23.90
  14. Multiple Sizes Available Pure Encapsulations Calcium-d-Glucarate 120 Capsules
    Helps support liver detoxification.*
    *Results May Vary Learn More

    Starting at: $58.90

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  17. Osteo Guard
    Supports maintaining good bone health*
    *Results May Vary Learn More
    EarthTurns: $26.30
  18. Microcrystalline Calcium
    Supports good bone health*
    *Results May Vary Learn More
    EarthTurns: $12.40
  19. Calcium 600 Vitamin D
    Calcium with Vitamin D. Made in America.*
    *Results May Vary Learn More

    MSRP: $14.50

    EarthTurns: $9.57
  20. Multiple Sizes Available Calcium Citrate Supplement

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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.