Dietary intake of iron stable iron isotopes iron absorption. Medical search. Frequent questions

The objective of this research was to assess the usage, knowledge and attitudes towards dietary supplementation before and during the COVID-19 pandemic among Lebanese people. (who.int)
Treatment and supplementation will of course depend on what the problem is - if lack of nutritional iron is the problem - sure, iron supplements can work. (drsharma.ca)
Treatment of iron deficiency consists of nutritional counselling and oral iron supplementation or, in specific cases, by intravenous injection. (sems-journal.ch)
A long-term daily oral iron intake or iv-supplementation in the presence of normal or even high ferritin values does not make sense and may be harmful. (sems-journal.ch)
The clinical effect of dietary supplementation with omega-3 fish oils and/or copper in systemic lupus erythematosus. (therapeuticresearch.com)
Primary analysis of a double-blind, cluster randomized trial of iron containing micronutrient powder supplementation in Ghanaian children aged 6 to 35 months found no difference in malaria risk between intervention and placebo groups. (academic-accelerator.com)
Currently: Group Leader, University of Cambridge, UK Wellcome Trust Cambridge Centre for Global Health Research Field clinical studies of a novel iron treatment (IHAT) for iron deficiency anaemia principal/chief investigator for a project involving a Phase II trial with iron supplementation in anaemic Gambian pre-school children (incl. (kolabtree.com)
These data suggest that DHEA supplementation is a more effective replacement therapy than a simple 'dietary supplement. (cesupplement.com)
iron supplementation, including in special indications such as boosting iron levels in iron-deficient malaria patients, where oral supplements are under suspicion of actually feeding the parasites, though there is contrary evidence. (scientiapress.com)
In a clinical trial of iron supplementation and malaria in Tanzanian infants, ordinary iron supplementation adequate to replenish stores did not increase susceptibility to clinical malaria in infants but lowered by a third the rate of severe anemia, a common cause of infant death, accounting for 27 percent of infant deaths in one hospital. (scientiapress.com)

These nitrogenases contain an iron-molybdenum cofactor FeMoco, which is believed to contain either Mo(III) or Mo(IV). (wikipedia.org)
There are 35 known isotopes of molybdenum, ranging in atomic mass from 83 to 117, as well as four metastable nuclear isomers. (wikipedia.org)
Of these naturally occurring isotopes, only molybdenum-100 is unstable. (wikipedia.org)
Molybdenum-98 is the most abundant isotope, comprising 24.14% of all molybdenum. (wikipedia.org)
All unstable isotopes of molybdenum decay into isotopes of niobium, technetium, and ruthenium. (wikipedia.org)

Objectives Deficiencies of vitamin A, iron and iodine affect a significant portion of the world's population and are often associated with adverse health outcomes, particularly among pregnant women and children. (micronutrientforum.org)
Because of the specificity of its uptake by the human body, radioactive isotopes of iodine can also be used to treat thyroid cancer . (wikipedia.org)
It is estimated that the population suffering from micronutrient malnutrition, between 60-80% of the population are deficient in iron (Fe), over 30% are deficient in zinc (Zn), 30% are deficient in iodine (I) and about 15% are deficient in selenium. (uach.mx)
The purpose of using iodine or potassium iodide as a prophylactic protocol in (preparation for) radiation emergencies is that radioactive iodine isotopes are released during uncontrolled thermonuclear reactions. (living-intentionally.com)
If our thyroid's iodine receptors are not fully bound with healthful iodine, any radioactive iodine isotopes we ingest or inhale can bind in our thyroid and cause long-term DNA damage. (living-intentionally.com)
Radiation is serious business, but so is stable iodine. (living-intentionally.com)

Twelve radioactive isotopes of neon also have been identified. (mathisfunforum.com)

Stable 57Fe is an ideal tracer because it is readily available in natural iron compounds and has no decay products, making long-term monitoring possible. (nanouniverse-library.jp)
Isotopes lighter than the stable isotopes primarily undergo beta plus decay to isotopes of arsenic, and isotopes heavier than the stable isotopes undergo beta minus decay to isotopes of bromine, with some minor neutron emission branches in the heaviest known isotopes. (w3we.com)
A preliminary β+ decay intensity function, Iβ+ was derived with Total Absorption Spectroscopy. (mispacegrant.org)

However, due to limited and conflicting data for different parameters of immune function, intakes of selenium that have an influence on immune function are uncertain. (cambridge.org)
There is clearly a need to undertake dose-response analysis of cellular immunity data in order to derive quantitative relationships between selenium intake and measures of immune function. (cambridge.org)
Selenium is an ingredient in many multivitamins and other dietary supplements, including infant formula. (w3we.com)
Selenium has seven naturally occurring isotopes. (w3we.com)

Effects of iron, tin, and copper on zinc absorption in humans. (therapeuticresearch.com)
The European Food Safety Authority (EFSA) derived zinc requirements from a trivariate saturation response model describing the relationship between zinc absorption and dietary zinc and phytate. (cambridge.org)

Several hypotheses have been suggested for this paradox including dilutional (pseudo) hypoferremia, poor dietary iron intake, increased iron requirements (in part due to the earlier onset and often more severe periods associated with excess weight), and/or impaired iron absorption in obese individuals. (drsharma.ca)

Taking lower doses for a long time, such as doses that are higher than the recommended dietary allowance (RDA), can also increase the risk of developing diabetes. (mymmunity.com)

Iron is likely safe for most people when used in doses below the tolerable upper intake level (UL) of 45 mg elemental iron daily. (webmd.com)
The Tolerable Upper Intake Level (UL), the maximum amount for which no harmful effect is expected, has been established for children and adults. (supplemented.net)

Chromium interacts with several other nutrients, including competing with iron for transferrin binding sites and subsequently interfering with iron metabolism. (nutrivore.com)

Acute and chronic resistive exercise increase urinary chromium excretion in men as measured with an enriched chromium stable isotope. (therapeuticresearch.com)
Chromium has also been shown to reduce food intake, cravings, and binge behavior in some populations, and may also help improve blood lipid profiles. (nutrivore.com)
Despite a lack of evidence for weight loss specifically, chromium supplements have shown potential for reducing cravings, food intake, and binge behavior in people who are overweight and/or have binge eating disorder. (nutrivore.com)
Chromium absorption may be enhanced by vitamin C and niacin, and inhibited by a high intake of simple sugars. (nutrivore.com)
Chromium is a trace element that doesn't get as much attention as some other "heavy hitter" minerals (like iron or calcium), but that doesn't mean it's not important for health! (nutrivore.com)

iron-57 is a naturally occurring stable iron isotope that is present in all living organisms. (nanouniverse-library.jp)
Iron is the most abundant naturally occurring metal on Earth. (thechemicalelements.com)

Stable isotopes, known for their unique properties in tracing metabolic processes, offer researchers invaluable insights into nutrient absorption, metabolism, and utilization. (fensnutrition.org)
Data from our Muscle, Metabolism, and Ergogenic workgroup suggest a significant and positive association with total protein intake from the diet and muscle cross-sectional area of the quadriceps muscles in younger and middle-aged adults ( Figure 2 ). (ethicalbutcher.co.uk)
showed that although there is heterogeneity in the conclusions of numerous current basic and clinical studies on DF for the improvement of anemia associated with iron metabolism, its potential role in the improvement of anemia and intestinal biomarkers should be emphasized [ 5 ]. (biomedcentral.com)

The article summarizes the abundant data from epidemiological studies, dating as far back as 1962, documenting the inverse associations between adult and childhood adiposity and poor iron status (defined in most studies as low serum iron concentration). (drsharma.ca)
It is the least abundant of the stable halogens , being the sixty-first most abundant element. (wikipedia.org)

Ferroportin in turn is largely regulated by hepcidin, a 25-amino acid peptide hormone, which is both an inhibitor of intestinal iron absorption as well as macrophage iron release. (drsharma.ca)
Hepcidin is produced both in the liver and in fat tissue and is modulated by body iron stores and hypoxia, but also, as recently recognised, by proinflammatory cytokines, which are commonly elevated in individuals with excess weight and can promote hepcidin formation. (drsharma.ca)
The authors conclude their article by summarizing the findings from three recent intervention studies: one in 15 obese children, where weight loss resulted both in a decrease in hepcidin levels and improved enteral iron absorption as well as two studies in bariatric surgical patients showing reduction in inflammation markers, decrease in hepcidin levels and improved iron status. (drsharma.ca)
The main mechanisms by which sport leads to iron deficiency are an increased iron demand, an elevated iron loss and a blockage of iron absorption due to hepcidin bursts. (sems-journal.ch)
Hemoglobin (Hb), serum iron (Fe 2+ ), serum ferritin (SF), soluble transferrin receptor (sTfR), hepcidin and the dosage of recombinant human erythropoietin (rhEPO) before and after intervention in patients were analyzed. (biomedcentral.com)

The findings show that there is a crucial need to increase awareness among Lebanese people regarding the use of dietary supplements. (who.int)
Taking iron supplements with food seems to reduce side effects. (webmd.com)
Conventional small talk about the need for dietary supplements often brings forth the statement that our foods contain all the nutrients we require when we ensure a variety in our diet. (2medicalcare.com)

A comparison of dietary diversity, phytate and mineral intake in South Asian women living in United Kingdom and Pakistan. (micronutrientforum.org)

Findings show that the nutrient energy intake was satisfactory overall, while fat and carbohydrate intake were high. (who.int)
The over-processing of foods has also, no doubt, contributed to the problem of low nutrient intake. (2medicalcare.com)
Iron, although not a nutrient of value for older adults, is instead very important as a nutrient of interest (shortfall nutrient) for premenopausal females, children, and during pregnancy. (ethicalbutcher.co.uk)

The study aims to quantify bioavailability of iron from NaFeEDTA when added to a wheat flour-based meal in both nonanemic women and women with iron deficiency anemia, when consumed with and without traditional Moroccan green tea. (who.int)
This review aims to describe approaches used to estimate bioavailability when deriving dietary reference values (DRV) for iron and zinc using the factorial approach. (cambridge.org)

According to USDA recommended Dietary Guidelines for Americans, only 25% of the overall population met the recommended calcium intake in 1994-96 and only 6% of female adults over 60 met the recommended intake of calcium. (2medicalcare.com)
The toxic effects of lead result from its interference with the physiologic actions of calcium, zinc, and iron, through the inhibition of certain enzymes, and through binding to ion channels and regulatory proteins. (cdc.gov)
Transgalactooligosaccharides Stimulate Calcium Absorption in Postmenopausal Women. (frieslandcampinaingredients.com)

Absorption of ingested lead can be as much as five times greater in children than adults and even greater when intakes of dietary minerals are deficient. (cdc.gov)
Iron can also be traced in the meteors that consist of the iron-nickel minerals taenite (35-80% iron) and kamacite (90-95% iron). (thechemicalelements.com)
The largest portion of the iron that occurs in the crust is found combined with oxygen in a form of iron oxide minerals, such as hematite (Fe2O3) and magnetite (Fe3O4). (thechemicalelements.com)

Older people are at risk for cobalamin (vitamin B12) deficiency because of a number of common disorders (e.g., autoimmune gastritis) and drugs (e.g., antacids) that may alter its absorption and utilization. (mjhid.org)

During its production in the Universe, nickel-56 decays to the most common isotope of iron during the last exothermic nuclear fusion reaction. (thechemicalelements.com)
β+ decays for each isotope were recorded with the Summing NaI(Tl) detector at the National Superconducting Cyclotron Laboratory. (mispacegrant.org)

Iron is a chemical element with the atomic number 26 in the periodic table. (thechemicalelements.com)
No stable chemical compounds of neon have been observed. (mathisfunforum.com)

7] M. Busetto, L. Giordani, A. Brandone, C. Cattaneo, A. Mazzucchi, Dietary investigation by trace element content in bones of ancient inhabitants of Northern Italy, in: Journal of Radioanalytical and Nuclear Chemistry, 2008, pp. 355-363. (icomos.org)

It concludes that fractional iron absorption from wheat flour-based meals without and with tea was ∼2-fold higher in women with iron deficiency anemia than in nonanemic women. (who.int)
Objectives Recommendations generally advise dividing an oral iron dose into twice daily doses to maximize fractional and total iron absorption. (micronutrientforum.org)

Adequate Intake (AI) Sources of Copper. (coussin-rideau-et-cie.fr)

Providing fortificant iron as NaFeEDTA cannot overcome the inhibition of tea polyphenols on iron absorption, even in iron deficiency anemia, where iron absorption is strongly upregulated. (who.int)
These findings are important as both low 'absolute' and 'functional' iron deficiency have been associated not only with anemia but also a wide range of other health problems including myocardial dysfunction and heart failure. (drsharma.ca)
People commonly use iron for preventing and treating different types of anemia caused by low iron levels. (webmd.com)
Taking iron by mouth or by IV along with other medications such as epoetin alfa can help build red blood cells and prevent or treat anemia in people with certain chronic diseases. (webmd.com)
Low levels of healthy red blood cells (anemia) due to iron deficiency . (webmd.com)
Taking iron by mouth or by IV is effective for treating and preventing anemia caused by too little iron in the body. (webmd.com)
Taking iron by mouth during pregnancy reduces the risk of anemia caused by too little iron in the body. (webmd.com)
The application of dietary fiber (DF) to regulate the gut microbiota has shown effective therapeutic effects in some diseases, but its role in renal anemia is not clear. (biomedcentral.com)
Dietary fiber (DF) has been shown to improve anemia at the clinical and animal model levels. (biomedcentral.com)

Micronutrient malnutrition is a form of undernutrition that causes diseases, and this is mainly due to insufficient intake of nutrients in daily foods. (who.int)
A 3-ounce portion of lean meat also provides about 10% of recommended daily calories, 37% of vitamin B12, 33% of zinc, 25% of niacin, plus over 10% of recommended iron, riboflavin, and other nutrients. (ethicalbutcher.co.uk)

Prebiotic intake reduces the waking cortisol response and alters emotional bias in healthy volunteers. (frieslandcampinaingredients.com)

A majority of Americans consume less than the minimum suggested copper intake, which is only 1.5 milligrams per day. (2medicalcare.com)
Dietary copper intake in artificially fed infants. (therapeuticresearch.com)

Iron is essential for numerous bodily functions not least the production of the red blood cell oxygen transporter hemoglobin and myoglobin, a related molecule essential for muscle function. (drsharma.ca)
In addition, lipocalin 2, an iron binding protein is also produced by fat cells and could lead to sequestration of iron stores making them unavailable for hemoglobin or myoglobin formation. (drsharma.ca)
The impact of the intervention was assessed through a household survey, 24-h dietary recall, and hemoglobin measurements before and after the intervention implementation. (bvsalud.org)
Iron is the most vitally important component of the hemoproteins hemoglobin and myoglobin. (thechemicalelements.com)

Though it's been around since the formation of planet Earth, ancient civilizations didn't utilize iron until some time around 2000 BC, when the Iron Age replaced the Bronze Era. (thechemicalelements.com)

Of the synthetic radioisotopes, the most stable is 93Mo, with a half-life of 4,000 years. (wikipedia.org)

Consumption of Galacto Oligosaccharides Increases Iron Absorption from Ferrous Fumarate : A Stable Iron Isotope Study in Iron-Depleted Young Women. (frieslandcampinaingredients.com)

This is due to the fact that the 57Fe atomic spins are trapped in a HS state until the nucleogenic iron(II) complex turns into the LS ground state. (nanouniverse-library.jp)
In another notable development, the International Atomic Energy Agency (IAEA) has confirmed its involvement in the forthcoming Federation of European Nutrition Societies Conference (FENS2023) with a symposium centred on Using Stable Isotopes to Advance Nutrition Research . (fensnutrition.org)
Additionally, the International Atomic Energy Agency (IAEA) will host a symposium to study how stable isotopes are advancing nutrition research by answering the question, "What is the quality of protein intake? (fensnutrition.org)
With the periodic table symbol Fe, atomic number 26, atomic mass of 55.85 g.mol-1, and electron configuration [Ar] 3d64s2, iron is a ductile, malleable, lustrous silver -gray metal. (thechemicalelements.com)

It is commonly used as a tracer to measure iron absorption and loss in the body. (nanouniverse-library.jp)
Paradoxically, obesity, a state more commonly considered in the context of over- than under-nutrition, is associated with a higher risk of iron deficiency compared to normal-weight individuals. (drsharma.ca)
However, there is now accumulating data that iron deficiency in obesity may also be mediated by the low-grade chronic inflammation commonly seen in individuals with excess weight. (drsharma.ca)
Iron deficiency among athletes, in males and more often in females, is a commonly encountered condition for the sports medicine physician. (sems-journal.ch)

In sports the rate of iron deficiency is distinctly higher up to 52% in female adolescent athletes [4,5,6] and occurs more often in endurance sports and in disciplines with a high prevalence of eating disorders. (sems-journal.ch)

Iron deficiency is one of the most common nutritional deficiencies, especially in, but not limited to, premenopausal women. (drsharma.ca)
Clinicians should monitor obese patients for both absolute and functional iron deficiency and be aware that iron deficiencies may well be independent of and unresponsive to enteral iron intake. (drsharma.ca)
Deficiencies of iron (Fe) and zinc (Zn) are a critical public health problem worldwide, with negative impact on health, lifespan and productivity. (uach.mx)

Iron is likely unsafe when taken in excessive doses. (webmd.com)
Iron is likely safe to use while pregnant and breast-feeding in doses below the UL of 45 mg of elemental iron by mouth daily. (webmd.com)
But iron is likely unsafe when taken by mouth in high doses. (webmd.com)
Iron is likely safe when taken by mouth in doses below the UL of 40 mg of elemental iron daily. (webmd.com)
But high doses of iron are likely unsafe for children. (webmd.com)

In addition to these statistics, even low limits of daily intake set as RDA requirements were not met by the population in general for Vitamin E, Vitamin B6, magnesium or zinc to mention only a few of many which could be cited. (2medicalcare.com)

2018). A novel nano-iron supplement to safely combat iron deficiency and anaemia in young children: The IHAT-GUT double-blind, randomised, placebo-controlled trial protocol . (kolabtree.com)

Taking iron by mouth reduces the number of breath-holding attacks in children. (webmd.com)

When a supernova explodes, it scatters iron, oxygen, and carbon atoms all over outer space, and by the force of gravity, it lands on other planets, asteroids, and meteors. (thechemicalelements.com)

Research suggests that as we age protein intake becomes even more important and especially so for men, for interesting reasons. (ethicalbutcher.co.uk)
Given this mechanistic evidence, elevated protein intake has been extensively studied to help preserve age-related muscle mass loss. (ethicalbutcher.co.uk)
There are many reasons why protein intake could go down during aging. (ethicalbutcher.co.uk)

High iron intake in the diet might increase the risk of heart disease in females with type 2 diabetes . (webmd.com)

Data from a general Swiss population show frequencies for iron deficiency for menstruating females of 22.7%, for male military recruits of 7.2% and for iron deficiency anaemia of 2.2% (females) and 0.1% (males) [2,3]. (sems-journal.ch)

Neon was the first element shown to consist of more than one stable isotope. (mathisfunforum.com)

Impact of iron fortification on anaemia and iron deficiency among pre-school children living in Rural Ghana. (academic-accelerator.com)

It readily forms hard, stable carbides in alloys, and for this reason most of the world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. (wikipedia.org)
In Earth's crust, iron can be found in iron- nickel alloys. (thechemicalelements.com)

This study aimed to determine the association of household food insecurity with dietary intakes and nutrition-related knowledge, attitudes, and practices (KAP) among school-aged children. (who.int)
By harnessing the power of stable isotopes, nutrition researchers can deepen their understanding of human nutrition and contribute to evidence-based recommendations for improved health outcomes. (fensnutrition.org)

As a baseline set of blood tests, haemoglobin, haematocrit, mean cellular volume (MCV), mean cellular haemoglobin (MCH) and serum ferritin levels are the important parameters to monitor iron deficiency. (sems-journal.ch)

chief investigator of a Phase 0 clinical trial looking at IHAT's kinetics of absorption in pre-menopausal Gambian women (incl. (kolabtree.com)

4] M.L. Carvalho, A.F. Marques, M.T. Lima, U. Reus, Trace elements distribution and post-mortem intake in human bones from Middle Age by total reflection X-ray fluorescence, in: Spectrochimica Acta Part B, 2004, pp. 1251-1257. (icomos.org)

Iron is a mineral. (webmd.com)

Does obesity increase risk for iron deficiency? (drsharma.ca)

That's how a new industrial era begins in which iron production becomes one of the main sources for the rapidly growing economy and industrialization. (thechemicalelements.com)
Iron's main application in those times was for building railways with iron rails, bridges, and tunnels. (thechemicalelements.com)

Many children who have breath-holding attacks have low iron levels. (webmd.com)
Taking iron by mouth might help improve thinking, learning, and memory in children and adolescents with low iron levels. (webmd.com)
Iron is the most common cause of poisoning deaths in children. (webmd.com)
Of even greater concern is the fact that the percentage of children meeting that intake level was exactly the same as the general population. (2medicalcare.com)

Diseases2

Chemicals and Drugs9

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Phenomena and Processes6

Supplementation10

Molybdenum5

Iodine6

Radioactive1

Decay3

Selenium4

Zinc absorption2

Poor dietary1

Recommended dietary a1

Tolerable upper intake level2

Interfering with iron metabolism1

Chromium5

Naturally2

Metabolism3

Abundant2

Hepcidin5

Supplements3

Phytate1

Nutrient3

Bioavailability2

Calcium3

Minerals3

Utilization1

Decays2

Chemical2

Nuclear1

Fractional2

Adequate Intake1

Anemia9

Nutrients2

Prebiotic1

Copper intake2

Hemoglobin4

20001

Synthetic1

Consumption1

Atomic4

Commonly4

Prevalence1

Deficiencies3

Doses5

Vitamin1

Supplement1

Reduces1

Atoms1

Protein intake3

Diet1

Deficiency anaemia1

Consist1

Anaemia1

Alloys2

Nutrition2

Serum1

Women1

Trace1

Mineral1

Increase1

Main2

Children4