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Albion Nutritional Facts - Calcium Supplementation
  • Albion Nutritional Facts

    Albion Human Nutrition is a business to business company, meaning we only sell to our trade partners. We do not sell any product directly to the consumer. This site and its contents are provided as an aid to both educate and promote Albion nutritional products to the consumer.
  • Albion Nutritional Facts

    Albion Human Nutrition is a business to business company, meaning we only sell to our trade partners. We do not sell any product directly to the consumer. This site and its contents are provided as an aid to both educate and promote Albion nutritional products to the consumer.
  • Albion Nutritional Facts

    Albion Human Nutrition is a business to business company, meaning we only sell to our trade partners. We do not sell any product directly to the consumer. This site and its contents are provided as an aid to both educate and promote Albion nutritional products to the consumer.
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  • Your Body
    Craves It

    Take a look at the ingredient label on your multivitamin bottle. It likely contains a variety of minerals such as Calcium, Iron, Magnesium, Zinc, and
    Read More
  • Albion Chelates

    Fortunately, science and patented technology can help by creating an organic molecule in a form the body can assimilate. These special organic forms of mineral
    Read More
  • Science Makes
    the Difference

    Long known as The Mineral People™, Albion is in the business of making very specific molecules backed by sound science and research. We’ve been making
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  • Highest

    Albion holds itself to the industry’s highest standards for quality and manufacturing, producing amino acid chelates in a facility that is:* ISO 9001:2008 certified* cGMP
    Read More

Calcium Supplementation

Still a Necessity – But is It Safe?

In the last few years, there have been a few published clinical studies that link calcium supplementation to health problems. One study implicated calcium supplementation as a causative factor that resulted in a greater risk of mortality from heart disease in women, as well as a higher overall death rate. The other noted study stated that high levels of calcium supplementation increased the risk of death due to cardiovascular disease in men, but interestingly, not women.

Both studies, somewhat conflicting, made calcium supplementation of questionable value in the eyes of the public. This is reflected in market data that has shown a significant drop in the use of calcium supplementation over the last few years.

A more recent published clinical study (Paik, JM, et al, Osteoporosis Int., Aug, 2014), that included 74,245 women was conducted prospectively over a 24 year period, found no evidence of increased cardiovascular risk in the women who were taking calcium supplementation. In an additional published report (Prentice RL, et al. Osteoporosis Int’l 2013; 24: 567-80) (Pubmed Abst), the authors analyzed the Women’s Health Initiative (WHI) clinical trial data. They combined this with a WHI observational study, which followed over 93,000 postmenopausal women for 8 years.

They concluded from this analysis that “there was little evidence for adverse influence of calcium and vitamin D supplementation on the risk for myocardial infarction, coronary heart disease, total heart disease, stroke or total cardiovascular disease.” There has been some discussion concerning why there could be a connection between calcium supplementation and cardiovascular disease.

Researchers have commented on the type of calcium form used or the total daily dose taken, as well as the quantity of calcium taken in a single dose in attempts to explain causative factors. However, most of what is being said is hypothetical. Could taking too much calcium in a single dose result in aberrant deposit of the excess calcium in arterial surfaces? If that were the case, then the form of calcium that is more slowly absorbed might be a better choice or taking the supplement in smaller divided daily doses. As a matter of convenience, there is a tendency for some to try to take all of the RDA for calcium in the form of a supplement, not allowing for what they might already be getting in their diet. Given the RDA for calcium (Table 1,  below), this could lead to larger doses to be taken, even when taken in divided doses.
Recommended Dietary Allowances (RDAs) for Calcium.

Supplementation is Needed

According to NHANES203-206, the average dietary intake (food plus supplements) in women ranged from 748-968 mg/day, with 330 mg/day, on average, coming from dietary supplements. From this, it is obvious that there is a calcium deficit in most women, and thus is a very good argument for a proper calcium supplementation program for women. Given the importance of calcium to so many critical bodily processes, it is important to get your calcium. In the figure below, the daily calcium balance that it depicts demonstrates the need for daily calcium intake.
Daily calcium balance that it depicts demonstrates the need for daily calcium intake.

What About Dosage?

Researchers have found that more is not always better— the most effective calcium supplementation program usually calls for smaller divided doses, as opposed to one single larger dose.

A study was done to measure the efficiency of calcium absorption as a function of the dosage load of calcium under meal conditions at dosages from 15 to 500mg (R.P. Heaney, et al; J. of Bone and Mineral Research 5:11, 1990 p. 1135-1137). They found that the absorption rate was inversely proportional to the amount of calcium ingested at one time. At the lowest dose, the absorption rate averaged 64% and at the highest dose of 500mg, the absorption rate dropped to 28.6%. Furthermore, the researchers showed results which permitted reasonably precise calculations for the absorption efficiency of calcium at different ingestion schedules, as listed below:
Calcium daily dosage chart.
Based on this study, it would appear that the most effective calcium supplementation program would call for smaller divided doses, as opposed to one single larger dose.

A Word of Caution!

Unfortunately, some people have taken their calcium supplementation daily dose to very high levels. This can have side effects, especially if the calcium is taken in the form of calcium carbonate. When calcium carbonate is ingested, it will undergo the following reaction in the stomach:

calcium carbonate reaction in the stomach.

The creation of calcium chloride results in gastric irritation. The rapid rise in stomach pH due to the reaction seen when ingesting calcium carbonate can lead to acid rebound, which is more likely when taken in higher single doses. This results in stomach irritation and an unpleasant or painful feeling. This chemical reaction for calcium carbonate (as well as other inorganic calcium salts) is the reason that calcium carbonate can lead to more serious metabolic side effects.

The use of high dose calcium carbonate on a regular basis has been associated with milk-alkali syndrome, which presents with three physiological problems: hypercalcemia, metabolic alkalosis, and renal failure. The metabolic alkalosis results from the build-up of excess bicarbonate ion, which is then absorbed from the small intestine. If left unchecked, kidney damage ensues. (See Albion Research Notes Vol.5, no.3, June 1996 for more details.)

Calcium forms that do not undergo this type of chemical reaction in the stomach are a safer and preferred choice. A true amino acid chelate, like Calcium Bisglycinate Chelate, is handled differently in the GI system, and is not known to generate the excess bicarbonate, which is causative factor that results in the milk-alkali syndrome.

Importance of Calcium

The discussion of all of the biochemical and physiological effects of calcium is never ending. Here is a snapshot of calcium’s impact: It is the most abundant mineral in the body, and 99% of it is found in bones and teeth.

The remaining 1% is found in cells, blood, and various body fluids. Calcium is important to the development of bones and teeth. Calcium is involved in not only the formation of bone, but is essential to the remodeling of bone, which is a continuous process throughout life. In this process, existing bone is broken down (resorption) and new bone is deposited to replace the resorbed bone. About 5% of the bone surfaces in adults go through this remodeling at any one time. Every 10 years or so, most of the adult skeleton is replaced. Though only about 1% of the body contents are found outside the bones and teeth, the level of ionized calcium in the blood must be kept within a narrow range to allow calcium to form its regulatory functions. The basic regulatory functions requiring calcium include:

The basic regulatory functions requiring calcium.

Of course, the small percent (1%) of calcium present in cells, blood and other bodily fluids exists in the Ca+2 form. This form of calcium is responsible for its cell signaling capabilities. It is through cell signaling that calcium performs much of its regulatory functions. Deficiency of calcium can lead to irregular heart rate, numbness or tingling in the extremities, lethargy, mental confusion and hallucinations, as well as dermatitis, mostly due to an insufficient amount of Ca+2 available to handle its cell signaling functions.

In the abstract below, we see one of many untoward effects of a true calcium deficiency that leads to poor functioning calcium cell signaling. The abstract demonstrates how impactful calcium as a signaling metal can be.

Calcium Dyshomeostasis and Intracellular Signaling in Alzheimer’s Disease
Frank M. LaFerla

Calcium modulates many neural processes, including synaptic plasticity and apoptosis. Dysregulation of intracellular calcium signaling has been implicated in the pathogenesis of Alzheimer’s disease. Increased intracellular calcium elicits the characteristic lesions of this disorder, including the accumulation of amyloid-ß, the hyperphosphorylation of TAU and neuronal death. Conversely, neurodegeneration that is induced by amyloid-ß or TAU is probably mediated by changes in calcium homeostasis. Disruption of calcium regulation in the endoplasmic reticulum mediates the most significant signal-transduction cascades that are associated with Alzheimer’s disease. Moreover, mutations that cause familial Alzheimer’s disease have been linked to intracellular calcium signaling pathways. Destabilization of calcium signaling seems to be central to the pathogenesis of Alzheimer’s disease, and targeting this process might be therapeutically beneficial. (Nature Reviews Neuroscience 3, 862- 872, Nov. 2002)

Safe, Bioavailable Forms of Calcium

As time goes on and more research on calcium accumulates, we will see in more detail the importance of calcium to our health. There are many forms of calcium available in supplements, medical foods, and fortified foods and  beverages. Which form is best? This can vary based on factors such as bioavailability, palatability, as well as the type of product one is placing the supplemental form of calcium. Albion produces several forms of calcium that have demonstrated bioavailability.

These forms are:
• Calcium Bisglycinate Chelate (2:1 molar ratio/glycine:calcium)
• Calcium Bisglycinate Chelate Taste Free (2:1 molar ratio/glycine:calcium)
• Calcium Citrate Malate (6:2:3 molar ratio)
• Calci-K® (a source of calcium, plus potassium, and phosphorus)
• DimaCal® (DiCalcium Malate) (29% elemental calcium – Albion’s highest in elemental calcium)

In a clinical study by R.P. Heaney, et al (Calcif Tissue Int. 1990, 46:pp 300-304), the two forms of calcium that scored the highest in absorption were Calcium Bisglycinate Chelate at 44% and Calcium Citrate Malate at 36.3%, which were significantly higher than found in the same study for calcium citrate and calcium carbonate, as well as hydroxyapatite and tricalcium phosphate. In an unpublished study by R.P. Heaney, et al (Osteoporosis Research Center, Creighton Univ., Sept. 2000), the bioavailability of calcium from Calci-K®, when added to milk was seen to be the same as milk calcium. The researchers found that adding Calci-K® doubled the amount of calcium absorbed, when the milk was fortified with calcium from Calci-K® in the same calcium concentration as found in unfortified milk.

DimaCal® has been shown in two studies (Chatuvedi, et al, FASEB April, 2006/ Crowley, et al, KGK enterprises unpublished) to be superior to calcium carbonate in bioavailability. In manufacturing these four unique forms of calcium, Albion offers a bioavailable form of calcium for all purposes: tablets, capsules, powdered beverages, RTD beverages, milk, and other types of food fortification. The organoleptic properties of these five calcium ingredients are excellent for food or beverage applications.


All chelates are not created equal.

Albion amino acid chelates are unique because they are:

• Hypoallergenic
• Vegetarian and Vegan friendly
• BSE-free
• Non-GMO
• Nutritionally Functional
• Chelated Minerals
• Chemically validated
• Clinically researched