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Quotes about Iron Absorption from the world's top natural health / natural living authors

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Biomarkers

William Evans, Ph.D., and Irwin H. Rosenberg, M.D., with Jacqueline Thompson (See book keywords and concepts)

On the other hand, we find that calcium supplements, when taken with a meal, can impair iron absorption in the food just eaten. One dietary solution involves an increase in vitamin D intake, which aids in calcium absorption. Of course, to maintain adequate bone mineral content in the elderly, there's also the exercise remedy. Studies have shown pretty conclusively that weight-bearing exercise (walking and jogging)—both alone and in conjunction with calcium supplements—helps maintain the vitality of the bone-density Biomarker. • As with calcium, vitamin D status declines with age.

The Encyclopedia of Popular Herbs

Robert S. McCaleb, Evelyn Leigh, and Krista Morien (See book keywords and concepts)

Department of Agriculture found no difference in levels of zinc and iron absorption in families eating beef extended with soy protein compared with those eating plain beef.40 Dosage The following estimated dosages come from clinical studies. See table 1 for the amounts of isoflavones and soy protein found in various soy foods.

The Woman's Encyclopedia of Natural Healing

Dr. Gary Null (See book keywords and concepts)

NUTRITION Antacids, calcium, and zinc interfere with iron absorption and should be taken separately. J. F. Balch and P. A. Balch, Prescriptions for Nutritional Healing (Garden City Park, N.Y.: Avery, 1990): 91-92. Iron-related indices of anemia normalized as a result of treatment with ferric ammonium citrate (the equivalent of 6 mg iron) in addition to vitamin C given over 9 weeks. M. Taniguchi et al., "Improvement in Iron Deficiency Anemia through Therapy with Ferric Ammonium Citrate and Vitamin C and the Effects of Aerobic Exercise," Journal Nutr. Sci. Vit-aminolZl, no.

Antacids, calcium, and zinc interfere with iron absorption and should be taken separately; however, ascorbic acid and vitamin A both reduce anemia when taken together with iron. Caution must be taken with iron supplementation; an excess has been linked to cancer and to liver, heart, and pancreas damage. (See below.) IN GENERAL Anemia may be due to iron deficiency (the most common cause), to B12 deficiency (usually due to an absorption problem rather than a dietary lack), or to folic acid deficiency, which can be a problem because the body does not store large amounts of this nutrient.

Another cause of decreased iron absorption is chronic diarrhea. "Vitamin B12 deficiency is most often due to a defect in absorption. B12 must be liberated from food via hydrochloric acid and bound to a substance called intrinsic factor, which is also secreted in the stomach. In order for B12 to be absorbed then, an individual must secrete enough hydrochloric acid and enough intrinsic factor. Women with this type of anemia may need to take supplements of B12, hydrochloric acid, and intrinsic factor. "Folic acid deficiency may also cause anemia.

Earl Mindell's Vitamin Bible for the 21st Century

Earl Mindell (See book keywords and concepts)

Coffee drinkers, as well as tea drinkers, be aware that if you consume large quantities of either beverage you are most likely inhibiting your iron absorption. If you are pregnant, check with your doctor before taking iron or iron-fortified vitamin supplements. (Iron poisoning has been found in children whose mothers have taken too many pills during pregnancy.) Do not take iron supplements if you have an infection. Bacteria require iron for growth and extra iron would encourage their increase. If you're a postmenopausal woman, you probably do not need supplemental iron. 60.

The Crazy Makers: How the Food Industry Is Destroying Our Brains and Harming Our Children

Carol Simontacchi (See book keywords and concepts)

Children can therefore "inherit" iron deficiency from their days as a formula-fed infant unless the diet has been made very adequate in iron, vitamin C (which aids in iron absorption), and several of the B-complex vitamins. A study conducted in the New York City area showed that about one-third of children may be deficient in iron, associated with mental and psychomotor impairment during the first two years of life.26 One possible cause? Cow's milk. Studies have shown that intestinal blood loss is increased by thirty percent in infants fed whole cow's milk.

The Natural Pharmacy: Complete Home Reference to Natural Medicine

Schuyler W. Lininger, Jr. DC (See book keywords and concepts)

A gastric factor promoting iron absorption. Lancet 1968; 1: 614. 7. Russell RM et al. Correction of impaired folic acid (Pte Glu) absorption by orally administered HCl in subjects with gastric atrophy. Am ] Clin Nutr 1984; 39: 656. Beta-Sitosterol 1. Lees AM, Mok HYI, Lee RS, et al. Plant sterols as cholesterol-lowering agents: Clinical trials in patients with hypercholesterolemia and studies of sterol balance. Atberoscler 1977; 28: 325-38. 2. Pelletier X, Belbraouet S, Mirabel D, et al.

Earl Mindell's Vitamin Bible for the 21st Century

Earl Mindell (See book keywords and concepts)

The herbs bilberry, burdock, damiana, juniper, peppermint, sage, willow, and yarrow can interfere with iron absorption. 335. Any Questions About Chapter XXIII? Is it true that licorice candy can be dangerous to people taking antihypertensive medication? Surprisingly, yes. In fact, just two or more candy twists made with natural licorice can interfere with many antihypertensive (and diuretic) medicines by increasing sodium re-absorption, potassium excretion, and water retention.

The New Encyclopedia of Vitamins, Minerals, Supplements and Herbs

Nicola Reavley (See book keywords and concepts)

However, calcium citrate does not appear to reduce iron absorption.42 Lead absorption is blocked by calcium in the intestines. Boron supplementation may reduce the excretion of calcium. Aluminum-containing antacids can inhibit calcium absorption. It is unclear whether magnesium inhibits calcium absorption. A 1994 study found no effect of magnesium supplements on calcium absorption.43 Calcium supplements have been shown to decrease zinc absorption.

Some calcium supplements can interfere with iron absorption, although this does not seem to be the case with calcium citrate and calcium ascorbate as they are acidic. Some experts advise taking two-thirds of the daily calcium dose at bedtime and the rest in the morning. Others recommend dividing the dose into four parts; i.e. with meals and at bedtime.27 As bone loses calcium at night, some experts recommend taking supplements then to maintain blood calcium levels. Calcium and magnesium If you take a calcium supplement, you should also take a magnesium supplement.

It is also necessary for iron absorption and plays a role in the conversion of cholesterol to bile acids for excretion. Vitamin C may also affect prostaglandin metabolism. Absorption and metabolism Absorption of vitamin C occurs in the intestine. The amount absorbed depends on the dose as the absorption mechanism is saturable and any excess excreted in the urine in two to three hours. As vitamin C is water soluble, only a small amount (about 4 to 5 g) is stored in the body. Vitamin C levels in the body are regulated by absorption and kidney excretion mechanisms.

Interactions It aids iron absorption and acts with other antioxidant vitamins. Smoking, pollutants, aspirin, alcohol, estrogen, antibiotics and steroids raise requirements. Therapeutic uses of supplements These include the treatment and prevention of many disorders including cardiovascular disease, high blood pressure, cancer, gallstones, cataracts, diabetes, asthma and infections. Cautions Large doses may cause kidney stones in kidney disease sufferers and may also affect blood and urine test results.

QUICK GUIDE Essential for oxygen transport and storage in the blood and muscles fatty acid metabolism energy production maintenance of a healthy immune system Absorption and metabolism Vitamin C improves iron absorption. Iron from animal foods is better absorbed than that from plant foods. Deficiency Iron deficiency leads to weakness, fatigue, reduced resistance to infection and eventually to anemia. Sources These include meat, whole grains and dark green leafy vegetables.

The People's Guide to Deadly Drug Interactions

Joe Graedon and Teresa Graedon (See book keywords and concepts)

In fact, tea is so effective at blocking iron absorption it is sometimes prescribed for people with excess iron buildup in the blood. Food and Asthma Medications One of the strangest drug/food interactions we have ever heard of is the alteration of asthma medicine by meat cooked over coals. Theophylline (Bronkaid tablets, Bronkodyl, Primatene tablets, Slo-bid, Theobid, Theo-Dur, Theolair, Theo-24, Uniphyl, etc.) is eliminated from the body up to 42 percent more rapidly when a person has been eating a diet high in char-broiled foods.

Calcium Supplementation: Effect on iron absorption." Am. J. Clin. Nutr. 1991 (Jan.); 53:106-111. Garrison, Robert H., Jr., and Elizabeth Somer. The Nutrition Desk Reference, 2nd ed. New Canaan, Conn.: Keats Publishing, 1990, pp. 273-283. Hansten, Philip D., and John R. Horn, eds. Drug Interactions & Updates. Vancouver, Wash.: Applied Therapeutics, 1990. Olin, Bernie R., ed. Drug Facts and Comparisons. St. Louis: Facts & Comparisons, 1991. Roe, Daphne A. "Diet, Nutrition and Drug Reactions," in Modern Nutrition in Health and Disease, 7th ed. Shils, Maurice E., and Vernon R. Young, eds.

Some animal studies suggest that vitamin E and even iron absorption may also be adversely affected. Because of their impact on vitamin K, these drugs could cause complications in combination with blood thinners. Blood tests are advised. Supplements of 2,000 to 5,000 IU vitamin A, 200 to 800 IU vitamin D, and 0.4 to 1.0 mg folic acid should be taken at a different time from the cholesterol medicine. Fat-Soluble Vitamins Vitamin A Vitamin D Vitamin E vitamin K Water-Soluble Vitamins vitamin BiZ Folic Acid Colchicine ColBenemid Absorption of these nutrients may be impaired.

The Green Pharmacy Anti-Aging Prescriptions: Herbs, Foods, and Natural Formulas to Keep You Young

James A. Duke, Ph.D. (See book keywords and concepts)

Another option is to pair your iron-rich foods with something high in vitamin C, a nutrient that promotes iron absorption. Among the best sources of vitamin C are broccoli, brussels sprouts, cabbage, cauliflower, citrus fruits, collard greens, turnip greens, and sweet potatoes. Or simply squeeze some lemon juice onto your iron-rich foods. Of course, you can always get your iron from a supplement. Most experts recommend taking 20 to 30 milligrams a day, more if you're pregnant (consult your prenatal-care provider).

Get Healthy Now with Gary Null: A Complete Guide to Prevention, Treatment and Healthy living

Gary Null (See book keywords and concepts)

Another cause of decreased iron absorption is chronic diarrhea. "Vitamin B12 deficiency is most often due to a defect in absorption. B12 must be liberated from food via hydrochloric acid and bound to a substance called intrinsic factor, which is also secreted in the stomach. In order for B12 to be absorbed then, an individual must secrete enough hydrochloric acid and enough intrinsic factor. [People] with this type nemia may need to take supplements of B12, hydrochloric acid, and intrinsic factor. "Folic acid deficiency may also cause anemia. Folic acid becomes totally depleted in alcoholics.

The Green Pharmacy Anti-Aging Prescriptions: Herbs, Foods, and Natural Formulas to Keep You Young

James A. Duke, Ph.D. (See book keywords and concepts)

Calcium interferes with iron absorption. And remember: Keep iron supplements out of the reach of children. Not many people know this, but a toddler could die from ingesting just a few of these pills. Iron supplements are the leading cause of accidental supplement-related poisoning. So be careful with them. In fact, you should store all of your supplements where youngsters can't get them. While we're on the subject of supplements, be sure that you're getting enough folic acid (also known as folate) and vitamin B12. Deficiencies in either of these nutrients can cause other types of anemia.

The Natural Pharmacy: Complete Home Reference to Natural Medicine

Schuyler W. Lininger, Jr. DC (See book keywords and concepts)

Although many nutritionally oriented doctors tell iron-deficient people to supplement with vitamin C (sometimes 500 mg per day), the actual increase in iron absorption caused by vitamin C supplementation appears to be quite small.9 Are There Any Side Effects or Interactions? Refer to the individual supplement for information about any side effects or interactions. Checklist for Iron-Deficiency Anemia Ranking Nutritional Supplements Herbs Primary Iron (p. 304) Secondary Vitamin A (p. 336) (as an adjunct to supplemental iron) Vitamin C (p.

A gastric factor promoting iron absorption. Lancet 1968; 1: 614. 3. Ivanovich P et al. The absorption of calcium carbonate. Ann Intern Med 1967; 66: 917. 4. Recker RR. Calcium absorption and achlorhydria. NE/M 1985; 313: 70. 5. Sturniolo GC et al. Inhibition of gastric acid secretion reduces zinc absorption in man. / Am Coll Nutr 1991; 10: 372-75. 6. Allison JR. The relation of hydrochloric acid and vitamin B complex deficiency in certain skin conditions. South Med J 1945; 38: 235. 7. Russell RM et al.

Effect of ascorbic acid on apparent iron absorption by women with low iron stores. Am ] Clin Nutr 1994; 59: 1381-85. Irritable Bowel Syndrome (IBS) 1. Bentley SJ, Pearson DJ, Rix KJ. Food hypersensitivity in irritable bowel syndrome. Lancet 1983; ii: 295-97. 2. McKee AM, Prior A, Whorwell PJ. Exclusion diets in irritable bowel syndrome: are they worthwhile? / Clin Gastroenterol 1987; 9: 526-28. 3. Farah DA, Calder I, Benson L, Mackenzie JF. Specific food intolerance: its place as a cause of gastrointestinal symptoms. Gut 1985; 26: 164-68. 4. King TS, Elia M, Hunter JO.

Effect of ascorbic acid on apparent iron absorption by women with low iron stores. Am J Clin Nutr 1994; 59: 1381-85. 12. Suharno D, West CE, Muhilal, et al. Supplementation with vitamin A and iron for nutritional anemia in pregnant women in West Java, Indonesia. Lancet 1993; 342: 1325-28. 13. Semba RD, Muhilal, West KP Jr, et al. Impact of vitamin A supplementation on hematological indicators of iron metabolism and protein status in children. Nutr Res 1992; 12: 469-78. 14. Harkness JAL, Blake DR. Penicillamine nephropathy and iron. Lancet 1982: ii: 1368-69. 5.

Vitamin C (p. 341) slightly increases iron absorption." Taking vitamin A (p. 336) with iron helps treat iron deficiency, since vitamin A helps the body use iron stored in the liver.12'13 Deferoxamine is a drug that binds to some metals, including iron, and carries them out of the body. It is used to treat acute iron poisoning, chronic iron overload, and aluminum accumulation in people with kidney failure. People taking deferoxamine to treat iron overload must not take iron supplements, including the amounts found in many multivitamin/minerals. Penicillamine binds metals (including copper [p.

The Healing Foods: The Ultimate Authority on the Curative Power of Nutrition

Patricia Hausman & Judith Benn Hurley (See book keywords and concepts)

In their classic paper on iron absorption, Elaine Monsen, PhD., and co-workers reported that the iron in a meal is well absorbed as long as 75 milligrams of vitamin C are also present. (See "The C Solution" for foods that provide at least this much of the vitamin.) As an alternative, said Dr. Monsen and her colleagues, even a modest-size serving (more than 3 ounces) of meat, poultry, or fish will also make the iron in a meal highly absorbable.

So take your pick from any of the following choices-all provide at least the minimum amount of vitamin C needed to maximize iron absorption. / cup broccoli 1 cup brussels sprouts '/2 cantaloupe 1 cup cauliflower 1 cup collard greens 1 cup cranberry juice cocktail 1 cup grapefruit juice (fresh or from concentrate) 1 cup kale 1 cup orange juice (fresh or from concentrate) I cup papaya chunks 1 cup pineapple juice 1 cup fresh strawberries l/2 package frozen strawberries (10-ounce package) foods. Only meats contain heme iron.

If you praise the way that it aids iron absorption, metabolism of folate and proteins, or healing open wounds, no one will argue with you. Should you also know of its role in the formation of collagen-the stuff that "holds" cells together-or in the manufacture of the brain chemicals norepinephrine and serotonin, again you're still on non-controversial ground. Bring up the issue of vitamin C and the common cold, however, and you've reopened the door on the great debate. A majority of nutritionists, we'd guess, would deny its value for preventing colds.

Avoiding the other foods that inhibit iron absorption may also be impractical or unappealing to vou. Moreover, many of us can eat these foods without depleting iron stores. So what should you do? If you know that your iron nutrition is fine with your current diet, you don't have much to gain by worrying about these interactions. If, on the other hand, you are iron deficient, do what you can to apply these findings to your dietary lifestyle. If you are a coffee or tea drinker, for instance, try not to schedule your favorite beverage within an hour or so of a meal or iron supplement.

Nutritionists have pointed out that the fiber and phytate that they contain can reduce iron absorption. We don't doubt that it can, but at the same time, we're impressed with a number of studies that did not find deficient iron nutrition when the subjects ate diets rich in bran or other fiber. "Adequate iron nutrition is attainable with mixed diets high in wheat bran," says Eugene R. Morris, an authority on iron nutrition at the U.S. Department of Agriculture. But if you use bran frequently, we'd suggest taking a multimineral supplement just in case.

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