Thorne Research - DiCalcium Malate - Concentrated Calcium Supplement with DimaCal for Bone Density Support - 120 Capsules

By adding malic acid, Thorne created DiCalcium Malate, a stronger calcium per capsule calcium versus calcium citrate which only has 19% calcium. So you are getting more calcium per capsule.
Best For
Those with bone issues /malabsorption & metabolism issues with calcium[3]; Enhanced immune system, heart, teeth, bone, tendon, and muscle health [1-2];
Ingredients of Concern
None discovered
  • Gluten-free
  • Dairy-free
  • Soy-free
  • Nut-free


    • 4 rounds of testing for raw materials, stability, purity, and meeting label claims. This is much more than many companies do.
    • DiCalcium Malate (DimaCal) is more concentrated than other well-absorbed forms of calcium
    • Increased concentration translates to more calcium per capsule - 250 mg per capsule
    • DiCalcium Malate is better absorbed that calcium carbonate*
    • Flavors, colors, preservatives, and sweeteners derived from natural sources.
    • Thorne Products never contain gluten, Genetically Modified Organisms (known as GMOs), artificial preservatives, stearates, wheat, rye, barley, eggs, or nuts.

    Ingredients concern: None discovered


    • Need to take a capsule twice a day (not everyone likes taking things morning and night)
    • This product does not contain Magnesium or Vitamin D3 which helps calcium transport through the bod. This is extremely important if you are defivient in Magnesium or Vitamin D. You may consider this calcium product instead.
    • Calcium supplements in general can cause gastrointestinal side effects, particularly constipation, and increase the risk of kidney stones [3]
    Thorne Reaserch has very high level of standards in producing their supplements as they actually quarantine incoming ingredients in their South Carolina facility until they are throughly tested and verified. Their examination involves testing raw materials for 760 substances that determine whether they pass. This is truly a great practice which ensures purity. They also pride themselves on sourcing innovative, clinically researched ingredients. In manufacturing their supplements, they will not use any unnecessary filler ingredients which makes their supplements healthy. Their motto is "good enough isn't good enough." Thorne hires top level medical professionals, engineers, and researchers and tasks them with producing nutritional supplements that exceed expectations. With four rounds of quality testing, Thorne is truly considered a leader in quality.

    Based on peer reviewed studies and science, it is recommended to maintain calcium intake from 500-1000 mg day for older individuals at risk of osteoporosis, but there seems to be little need for calcium supplements except in individuals with major malabsorption problems or substantial abnormalities of calcium metabolism. Therefore, it is important to consult with a doctor before taking calcium. [3].

    Research indicates that widespread use of calcium supplements in individuals without a specific bone issue is not helpful, and may cause harm. Also, vitamin D supplements should be reserved for those with vitamin D deficiency or risk factors, principally low sunlight exposure or dark skin and not living in a sunny environment. These recommendations are consistent with those of the United States Preventive Services Task Force, which also does not support the use of either calcium or vitamin D supplements in otherwise healthy adults that live in communuties. The position of the International Osteoporosis Foundation is similar in that supplementation with calcium alone for fracture reduction is not supported by the literature but that calcium supplementation, with concomitant vitamin D supplementation, is supported for patients at high risk of calcium and vitamin D insufficiency [4].

    Those with bone issues /malabsorption & metabolism issues with calcium[3]; Enhanced immune system, heart, teeth, bone, tendon, and muscle health [1-2];
    Calcium helps regulate fluid transport by influencing the narrowing and widening of blood vessels [1, 2]. It also plays a role in the regulation of the heartbeat, muscle contractions, and nutrient transport [1, 2].

    Calcium (Dicalcium Malate) 250mg

    Other Ingredients: Hypromellose Capsule, Medium Chain Triglycerides

    Take one capsule two times daily or the dosage that your doctor recommends for your personal health.
    This product is contraindicated in an individual who has a history of hypersensitivity to any of its ingredients. These statements have not been approved by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent disease. If you are pregnant, consult your Doctor before using this product. There are no known adverse interactions or contraindications known.
    1. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. Washington, DC: National Academy Press, 1999. Available at: 2. Power ML, Heaney RP, Kalkwarf HJ, et al. The role of calcium in health and disease. Am J Obstet Gynecol 1999;181:1560-9 3. Reid, I. R., S. M. Bristow, and M. J. Bolland. "Calcium supplements: benefits and risks." Journal of internal medicine 278.4 (2015): 354-368. 4. Reid, Ian R., and Mark J. Bolland. "Calcium and/or vitamin D supplementation for the prevention of fragility fractures: who needs it?." Nutrients 12.4 (2020): 1011.
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