Quotes about Calcium Absorption from the world's top natural health / natural living authors
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 "Calcium is the major ingredient of bones, so with the age-related decrease in calcium absorption, there is a decrease in bone density. Vitamin D (cholecalciferol) increases calcium absorption in the gut, which has led to the common practice of prescribing calcium and vitamin D supplementation together for the prevention of hip fractures.
However, just because your bones will thin when you are in your sixties doesn't mean that taking calcium in your twenties or thirties will affect that."- J. Douglas Bremner, Before You Take that Pill: Why the Drug Industry May Be Bad for Your Health (Get the book.) "With normal aging, there is a decrease in calcium absorption by the stomach. Vitamin D (cholecalciferol) is known to increase calcium absorption in the gut as well as to act synergistically with calcium to promote bone density. This has led to the common practice of prescribing calcium and vitamin D supplementation for the prevention of hip fractures. It sounds so good and logical, and it can't hurt, so why not go ahead and do it? Just because you become deficient in something with aging, however, doesn't mean that supplementation will correct the problem." - J. Douglas Bremner, Before You Take that Pill: Why the Drug Industry May Be Bad for Your Health (Get the book.) |
 "The cause/effect chain goes like this: Sun exposure in the summer raises vitamin D and calcium absorption. You eat more fresh produce in the midsummer and into the fall, and this raises your magnesium intake. Serotonin metabolism is more efficient in response to these changes, thus elevating mood. But from winter into early spring, vitamin D levels fall at the same time that you eat less fresh produce, and that makes your serotonin metabolism less efficient. All of these things depress mood."- James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.) |
 "In contrast, some evidence indicates that intestinal calcium absorption and balance are fairly impervious to very wide variations in daily phosphorus consumption [37, 38]. Separate mention should be made concerning the role of phosphorus-containing soft drinks. Cola drinks contain phosphoric acid as their source of effervescence, and one reads frequently in the lay press that the high content of phosphorus in colas is an important contributor to developing osteoporosis."- Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.) "At milder levels of vitamin D inadequacy, impaired calcium absorption promotes compensatory secretion of PTH, which increases bone remodeling and aggravates bone loss. Maintaining vitamin D adequacy is an important and widespread issue for the general population, and for the vast majority of patients with osteoporosis. It appears that optimal vitamin D status is achieved at 25-hydroxyvitamin D concentrations of about 30ng/ml (80 nmol/liter). To achieve this goal, previously recommended vitamin D consumption of 400-800 units/day is not adequate, and doses of 1000-2000 units/day are preferable." - Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.) "A certain number of points might be given for every incremental lowering in systolic blood pressure, a certain number of points for every incremental improvement in calcium absorption, a certain number of points for every incremental lowering in frequency of falls, a certain number of points for every incremental reduction in prevalence of key cancers (e.g., breast, colon, prostate, lung, and marrow-lymphoma, among others), and a certain number of points for insulin responsiveness (expressed, for example, in response to a standard glucose challenge)." - Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.) |
 "This heightened risk of osteoporosis is probably due to the drastic drop in calcium absorption that occurs with these drugs. Some experts believe that the drug itself may hamper the body's ability to build new bone.
Nutrients depleted: B12 depletion is listed as a side effect that may occur with long-term use. calcium absorption is reduced by these drugs as well.
Needed supplements: Calcium (1,000-1,200 mg) and vitamin B12 (200 meg)."- Hyla Cass, Supplement Your Prescription: What Your Doctor Doesn't Know About Nutrition (Get the book.) |
 "In the latter case, it has been found that the vitamin D receptor gene type is of particular importance for bone density in premenopausal women, since this gene controls calcium absorption.
Postmenopausal woman with the BB genotype (homozygous dominant) were found to have difficulty absorbing calcium when dietary supply was low, whereas those with the recessive bb genotype (homozygous recessive) had better calcium absorption. When the poor absorbers (BB type) were given high doses of calcium in their diets, they were able to maintain normal calcium levels."- Russell L. Blaylock, M.D., Health and Nutrition Secrets (Get the book.) |
 "Thyroid disorders can also reduce calcium absorption and cause cataracts, as well as behavioral disorders and dementia. Poor calcium absorption, alone, is responsible for numerous diseases, including osteoporosis (loss of bone density). If circulatory problems disrupt the secretion of balanced amounts of insulin in the pancreatic islets of Langerhans, diabetes may develop.
Gallstones in the liver can cause liver cells to cut down protein synthesis. Reduced protein synthesis, in turn, prompts the adrenal glands to overproduce Cortisol, a hormone that stimulates protein synthesis."- Andreas Moritz, The Liver and Gallbladder Miracle Cleanse: An All-Natural, At-Home Flush to Purify and Rejuvenate Your Body (Get the book.) |
| "You get more sun and consume more fruits and vegetables in the summer, which raises your vitamin D and calcium absorption levels and increases your magnesium and serotonin production. You're going along great, feeling good, mood elevated; but then winter comes and your vitamin D level falls. Your serotonin production and calcium and magnesium levels decline, too, and these changes depress your mood.
The longer your winter, the more pronounced the seasonal variations in serotonin production." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.) "Robert Heaney of Creighton University, when your vitamin D level is 35 nanograms per milliliter or more, your efficiency of active calcium absorption hits its maximum at 30 to 40 percent. Below a vitamin D level of 20 nanograms per milliliter, this efficiency drops by 50 percent. But in studies of diverse populations, researchers find that average vitamin D levels lie between these two numbers. Raising your D levels may conservatively decrease your calcium needs by 25 to 50 percent, depending on how deficient you are." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.) |
 "Prebiotics may have positive effects on calcium absorption and cancer prevention.
Despite how similar in spelling prebiotics is to probiotics, the two are very different. Only probiotics are living organisms. Prebiotics are actually carbohydrates. Prebiotics are carbohydrates that the body cannot digest, but probiotics can! Since the body cannot digest prebiotics, they are left unaltered as they travel through the intestinal tract and reach the colon ready to be used by the probiotics living there, particularly Bifidobacteria. Prebiotics are the preferred food source for probiotics."- Allison Tannis, Probiotic Rescue: How You can use Probiotics to Fight Cholesterol, Cancer, Superbugs, Digestive Complaints and More (Get the book.) "Prebiotics have been shown in animal studies to have positive effects on calcium absorption. Prebiotics (inulin and oligofructose) may contribute to the prevention of osteoporosis. Eat more grains, greens, beans and berries as these prebiotic foods may offer a whole array of healthy benefits. You might not find raw, green bananas appealing for dinner, but your microflora do. Raw, green bananas are a great source of resistant starch. Ripe bananas do not have the same amount of resistant starch. Resistant starch is an area of prebiotics that is gaining interest within the research world." - Allison Tannis, Probiotic Rescue: How You can use Probiotics to Fight Cholesterol, Cancer, Superbugs, Digestive Complaints and More (Get the book.) "Prebiotics lower blood cholesterol and triglyceride levels as well as having positive effects on calcium absorption and cancer prevention. The effect of probiotics can be enhanced when taken with prebiotics, a combination described as a symbiotic. Probiotics to the Rescue chapter 6 From Diarrhea to Constipation: Probiotics and the Toilet A Microscopic View of This Chapter Diarrhea can be acute or chronic. Acute diarrhea is caused by an infection of bad microbes. Probiotics prevent the ability of bad microbes to infect the intestinal tract." - Allison Tannis, Probiotic Rescue: How You can use Probiotics to Fight Cholesterol, Cancer, Superbugs, Digestive Complaints and More (Get the book.) "The bones are a reserve for calcium used to support muscle contractions and stabilize changes in the blood pH. calcium absorption is vital to the health of your bones and your overall health. Calcium is guided into the bones by vitamin K2. This vitamin is not commonly found in your diet. Probiotics can convert vitamin Kl to vitamin K2, which helps to successfully guide calcium into your 206 bones, promoting strong bone growth and likely helping to reduce the risk of developing osteoporosis." - Allison Tannis, Probiotic Rescue: How You can use Probiotics to Fight Cholesterol, Cancer, Superbugs, Digestive Complaints and More (Get the book.) |
| "Thyroid disorders can also reduce calcium absorption and cause cataracts, as well as behavioral disorders and dementia. Poor calcium absorption, alone, is responsible for numerous diseases, including osteoporosis (loss of bone density). If circulatory problems disrupt the secretion of balanced amounts of insulin in the pancreatic islets of Langerhans, diabetes may develop.
Gallstones in the liver can cause liver cells to cut down protein synthesis. Reduced protein synthesis, in turn, prompts the adrenal glands to overproduce Cortisol, a hormone that stimulates protein synthesis." - Andreas Moritz, The Liver and Gallbladder Miracle Cleanse: An All-Natural, At-Home Flush to Purify and Rejuvenate Your Body (Get the book.) |
| "Vitamin D (cholecalciferol) increases calcium absorption in the gut, which has led to the common practice of prescribing calcium and vitamin D supplementation together for the prevention of hip fractures.
However, just because your bones will thin when you are in your sixties doesn't mean that taking calcium in your twenties or thirties will affect that. There is no evidence that taking calcium or vitamin D when you are young will prevent bone fractures in old age." - J. Douglas Bremner, Before You Take that Pill: Why the Drug Industry May Be Bad for Your Health (Get the book.) |
 "This whole-body effect from our data suggests that exercise may help foster the body's calcium absorption. In this study we found the following: (1) The blood of the exercising women had higher concentrations of the active form of vitamin D—or 1,25-dihy-droxyvitamin D. This activated vitamin D aids in calcium absorption. (2) The trained women ate more carbohydrate, which is known to increase the body's calcium absorption. (3) The trained women had more growth hormone, which might increase calcium absorption and make bones stronger."- William Evans, Ph.D., and Irwin H. Rosenberg, M.D., with Jacqueline Thompson, Biomarkers (Get the book.) |
 "If vitamin D is inadequate for long periods of time, lower levels of circulating calcidiol (the precursor form of vitamin D) may limit calcium absorption. Bone formation also requires vitamin K, vitamin A, magnesium, and potassium. Additionally, weight-bearing exercise helps strengthen bones.
The Food and Nutrition Board has set the AI levels high enough to compensate for extra protein, extra sodium, and low levels of vitamin D. Please refer to Table 9-1 for adequate intake levels for calcium."- Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.) "Not only is calcium absorption low, but losses are rather high. The first 400 mg of dietary calcium is needed just to cover normal losses. About 200 mg of unab-sorbed calcium from both the diet and from digestive juices is lost in the feces each day. The skin, hair, and nails lose an average of 60 mg daily, necessitating an additional intake of 200 mg (calculated at 30 percent absorption). Oxalates can bind to calcium and cause excretion, but this effect is not significant in most diets. Calcium Supplements Calcium in supplements is found in many forms." - Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.) "Increases calcium absorption into bones. (d) All of the above. 76. The chemical symbol for iron is: (a) Hg. (b) Mn. (c) Fe. (d) Zn. 77. Iron is in the center of: (a) Heme. (b) Chlorophyll. (c) White blood cells. (d) Pyruvic acid. 78. Myoglobin: (a) Is found in blood. (b) Is found in muscle. (c) Acquires oxygen from the lungs. (d) All of the above. 79. The body lowers blood levels of iron: (a) During infections. (b) After a meal with a large serving of spinach. (c) During exercise. (d) In summer months. 80. Iron: (a) Is not stored in the body." - Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.) "This is because calcium absorption from the intestines is not very efficient. Only about 30 percent of dietary calcium is absorbed from the intestines in adults (pregnant women and growing children are able to absorb about 50 percent of the calcium in food). In some cases, the extra calcium lost in urine caused by excess sodium intake is not available from the food in the intestines. When dietary calcium is not available, this 86 mg of calcium must be removed from the bones." - Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.) |
 "Our endocrine system is highly committed to monitoring the blood level of calcium and maintaining it just at our personal set point, and our calcium absorption is tightly controlled to that end. The mechanism is elegant. If the blood-calcium level trends down, vitamin D is converted to an active metabolite, which makes the intestinal absorption of calcium more efficient, and vice versa. No matter how much calcium you ingest, the fraction absorbed will be controlled to reflect the blood-calcium level."- Nortin M. Hadler MD, Worried Sick: A Prescription for Health in an Overtreated America (Get the book.) |
 "In addition, it may be that as women age and have lower stomach acid production, lower fat absorption, and take in less vitamin D due to less exposure to sunshine and decreased fat absorption, calcium citrate may be a better choice to combat these compromising effects on calcium absorption. In most women, though, especially in perimenopausal women and postmenopausal women up to age 65, there is no known best form. Calcium carbonate is absorbed well when taken with food. Calcium citrate can be taken with food or on an empty stomach, making it more flexible as to timing of your supplement regime."- Tori Hudson, N.D., Women's Encyclopedia of Natural Medicine: Alternative Therapies and Integrative Medicine for Total Health and Wellness (Get the book.) "During adolescence, however, the consumption of dairy products drops off and inadequate vitamin D intake is more likely to adversely affect calcium absorption. In general, calcium intake alone may have only a slight protective effect for bone mass and fracture risk, and it is more beneficial to supplement with a combination of calcium and vitamin D. Several large studies of vitamin D (400 and 800 IU per day) plus calcium (1,000 mg per day) have not shown a significant effect on fracture risk.78- 79 However, there are studies that do show a significant effect." - Tori Hudson, N.D., Women's Encyclopedia of Natural Medicine: Alternative Therapies and Integrative Medicine for Total Health and Wellness (Get the book.) "Even though these two mechanisms are in play, however, the primary influence on calcium absorption is the amount of calcium that is ingested, via either diet or supplementation. Selected populations of postmenopausal women may not have adequate calcium intake, including older women, women who are lactose intolerant (and so must avoid dairy foods), vegans (who consume no animal or dairy products), and women on poor diets in general. Even in the United States, postmenopausal women have dietary intakes of calcium of about 600 mg per day, which is below the recommended amount." - Tori Hudson, N.D., Women's Encyclopedia of Natural Medicine: Alternative Therapies and Integrative Medicine for Total Health and Wellness (Get the book.) "Women older than 70 face other challenges that may accelerate their bone loss again such as increasing age and secondary hyperparathyroidism due to a drop in calcium absorption. In women who have premature menopause (at or before age 40), whether spontaneous or by medical causes such as having both ovaries removed, chemotherapy, or pelvic radiation, there is a greater risk of low BMD compared to other women their age who are not menopausal." - Tori Hudson, N.D., Women's Encyclopedia of Natural Medicine: Alternative Therapies and Integrative Medicine for Total Health and Wellness (Get the book.) |
| "This heightened risk of osteoporosis is probably due to the drastic drop in calcium absorption that occurs with these drugs. Some experts believe that the drug itself may hamper the body's ability to build new bone.
Nutrients depleted: B12 depletion is listed as a side effect that may occur with long-term use. calcium absorption is reduced by these drugs as well.
Needed supplements: Calcium (1,000-1,200 mg) and vitamin B12 (200 meg)." - Hyla Cass, M.D., Supplement Your Prescription: What Your Doctor Doesn't Know About Nutrition (Get the book.) |
 "As with a vitamin E deficiency, when the body does not have enough magnesium to support calcium absorption, many women report PMS symptoms such as mood swings, fatigue, headaches, and sleeplessness.
Premenstrual chocolate craving is a phenomenon that has puzzled many physicians. They have been unable to explain why some women have this overwhelming urge to eat lots of chocolate right before their periods, yet at other times of the month the women's chocolate cravings are not as strong. The PMS-chocolate connection makes a lot of sense because chocolate is very high in magnesium."- C. W. Randolph, M.D., From Belly Fat to Belly FLAT: How Your Hormones Are Adding Inches to Your Waistline and Subtracting Years from Your Life (Get the book.) |
 "Although soy foods are high in both oxalates and phytate, two compounds that can inhibit calcium absorption, the calcium from soy foods is very well absorbed. Fermented soy foods, like tempeh and miso, are a good source of iron. Soy foods are rich in copper and magnesium and are also rich in B vitamins, particularly niacin, pyridoxine, and folacin. Soybeans are rich in phytochemicals known as isoflavones which may help prevent certain types of cancer, fight heart disease, and improve bone density."- David W. Grotto, RD, LDN, 101 Foods That Could Save Your Life! (Get the book.) |
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