Cal-Mag Citrate Effervescent

Thorne Research


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An easy-to-consume supplemental form of calcium and magnesium

  • Minerals that help maintain normal bone and muscle health*
  • A powder that effervesces when mixed with water – resulting in the formation of optimally absorbed citrate, ascorbate, and glycinate minerals*
  • A convenient way to supplement with high amounts of these two minerals
  • Has the added benefit of providing ascorbic acid (vitamin C)

The effervescent quality of citric acid can increase the absorption of citrate mineral chelates.* Cal-Mag Citrate Effervescent Powder provides 500 mg of calcium and 200 mg of magnesium per scoop. This ratio is especially desirable for individuals who need higher amounts of calcium but who, because of magnesiums laxative-like trait, cannot tolerate an equal amount of magnesium.* One scoop of Cal-Mag Citrate Effervescent Powder also provides 500 mg of vitamin C and 500 mg of the amino acid glycine.

The desired amount of powder should be placed in a glass containing a small amount of water and allowed to effervesce. When it has stopped bubbling, the solution can be consumed directly or it can be further mixed with a fruit juice. The resultant calcium and magnesium chelates include citrates, ascorbates, and glycinates.

Recent analysis of large numbers of previously conducted studies on calcium and bone mass demonstrate that daily supplementation of 500-1, 500 mg of a well-absorbed form of calcium promotes bone mass in adolescents, young adults, older men, and postmenopausal women.*

Magnesium is present in all cells of the body and is involved in more than 300 enzymatic processes, including energy production.* Magnesium is essential for maintaining normal bone density, normal cardiac rhythmicity, normal pulmonary function, and normal blood glucose regulation.* Other body functions requiring magnesium include nerve conduction, methyl-group transfer, conversion of pyridoxine to pyridoxal 5-phosphate (the active form of vitamin B6), energy production, and muscle contraction.* Magnesium supplementation appears to be a significant support to maintaining already normal bone density.*

Cal-Mag Citrate (Effervescent Powder) is NSF Certified for Sport®.