Iron Supplementation and Side Effects

2019-07-18 10:31:13 | BioPortfolio


The objective of this study is to examine patient-reported gastrointestinal side effects, as well as iron status indicators, inflammatory markers and oxidative stress following administration of ferrous sulfate and iron-enriched Aspergillus oryzae supplementation.


Iron deficiency anemia (IDA) afflicts more than 2 billion people globally, making it the most prevalent nutrient disorder, today. Inadequate dietary intake of iron results in consequences like cognitive decline, fatigue, abnormal growth and adverse pregnancy outcomes. These ramifications have associated burdens on economical progression due to decreased market productivity. Inorganic iron supplements like ferrous sulfate (FeSO4) are most commonly used to treat IDA, however known associated side effects occur, decreasing compliancy in individuals. Moreover, inorganic iron salts present a large bolus of iron to the intestinal lumen, resulting in non-transferrin bound iron which leads to systemic inflammation and further exacerbation of chronic diseases. Organic iron compounds have strong potential to be utilized for supplementation, however only under circumstances in which contain high absorbance. Seventeen subjects were randomized in a three-armed, double-blinded crossover design to examine the differences among three treatments (FeSO4, ASP-s and placebo). Outcomes will be to assess acute inflammatory proteins, oxidative stress, iron status indicators, non-transferrin bound iron and gastrointestinal-related side effects.

Study Design


Iron Deficiency Anemia


Ferrous sulfate, Aspiron, Placebo


Iowa State University
United States




Iowa State University

Results (where available)

View Results


Published on BioPortfolio: 2019-07-18T10:31:13-0400

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Medical and Biotech [MESH] Definitions

Anemia characterized by decreased or absent iron stores, low serum iron concentration, low transferrin saturation, and low hemoglobin concentration or hematocrit value. The erythrocytes are hypochromic and microcytic and the iron binding capacity is increased.

Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.

Anemia characterized by a decrease in the ratio of the weight of hemoglobin to the volume of the erythrocyte, i.e., the mean corpuscular hemoglobin concentration is less than normal. The individual cells contain less hemoglobin than they could have under optimal conditions. Hypochromic anemia may be caused by iron deficiency from a low iron intake, diminished iron absorption, or excessive iron loss. It can also be caused by infections or other diseases, therapeutic drugs, lead poisoning, and other conditions. (Stedman, 25th ed; from Miale, Laboratory Medicine: Hematology, 6th ed, p393)

An arylsulfatase that catalyzes the hydrolysis of the 4-sulfate groups of the N-acetyl-D-galactosamine 4-sulfate units of chondroitin sulfate and dermatan sulfate. A deficiency of this enzyme is responsible for the inherited lysosomal disease, Maroteaux-Lamy syndrome (MUCOPOLYSACCHARIDOSIS VI). EC

A nutritional condition produced by a deficiency of FOLIC ACID in the diet. Many plant and animal tissues contain folic acid, abundant in green leafy vegetables, yeast, liver, and mushrooms but destroyed by long-term cooking. Alcohol interferes with its intermediate metabolism and absorption. Folic acid deficiency may develop in long-term anticonvulsant therapy or with use of oral contraceptives. This deficiency causes anemia, macrocytic anemia, and megaloblastic anemia. It is indistinguishable from vitamin B 12 deficiency in peripheral blood and bone marrow findings, but the neurologic lesions seen in B 12 deficiency do not occur. (Merck Manual, 16th ed)

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