Natural Factors Calcium Factor+, 350mg, 90 tablets

Natural Factors Calcium Factor+, 350mg, 90 tablets

Natural Factors

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Feature Summary

Calcium citrate is very well absorbed, particularly if taken on an empty stomach and may be the preferred form of calcium, especially for those with low stomach acid. Studies show that mineral citrates have superior absorption, especially when taken on an empty stomach.

Calcium is required for strong bones, teeth and cardiac function. Calcium not only builds strong bones and teeth but maintains bone density and strength. It helps to regulate heartbeat, blood clotting, and muscle contraction.


Each tablet contains
Calcium citrate................................. 350 mg

Recommended Adult Dose

1–4 tablets daily or as directed by a health care practitioner.


  • Aluminum-containing antacids are known to ultimately lead to an increase in bone breakdown and calcium excretion.
  • The bone building drug etidronate (Didronel®) and tetracycline antibiotics should not be taken within 2 hours of calcium supplements as the calcium may decrease their effectiveness.
  • Calcium supplementation may also reduce the effectiveness of the following drugs: digoxin, gallium nitrate (Ganite®), and phenytoin (Dilantin®).
  • If you are taking any of these drugs, consult your health care practitioner before taking a calcium supplement.

Additional Information

Children: Proper calcium intake is very important during childhood. Calcium supplements are suitable for children at dosages up to the RDA:

  • Infants – 0-0.5 year 400 mg, 0.5-1 year 600 mg
  • Children – 1-3 years 800 mg, 4-6 years 800 mg, 7-10 years 800 mg

Magnesium is suitable for children at the level of the Recommended Dietary Allowance:

  • Infants – 0-0.5 year 40 mg, 0.5-1 year 60 mg
  • Children – 1-3 years 80 mg, 4-6 years 120 mg, 7-10 years 170 mg

Pregnancy and Nursing: It is especially important for pregnant and lactating women to receive enough calcium. Calcium supplementation is considered safe during pregnancy and lactation at dosages up to the RDA.

  • Pregnancy 1,200 mg
  • Lactating 1,200 mg

Seniors: No special precautions for calcium or magnesium are known.

NATVD.COM ships Natural Factors products directly from Canada.  Customers from Hong Kong to Ireland & Sydney to Cape Town all have enjoyed our service.   Natural Vitamin Direct is a trusted mail order distributor of Natural Factors products since 1997.  

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