Iron Supplements Reviewed by

Iron Supplements Review

Trying to find the best iron supplement? See which iron supplements passed's independent tests. Plus, learn about taking iron to treat iron deficiency anemia and unexplained fatigue, how to avoid stomach upset when taking iron and more.

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Encyclopedia Articles Found: (Articles do not mention brands)
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3.Restless Legs Syndrome
6.Angiotensin-Converting Enzyme Inhibitors (ACE Inhibitors)
7.Thyroid Hormone
... More Results Answers to Questions Found:
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1.What are the signs of iron deficiency anemia?
2.What is the best form of iron supplement?
3.Why is iron not in many multivitamins? How can I find one that does contain iron?
4.Why does dark chocolate have iron in it? Is it, or cocoa, a good dietary source of iron?
5.Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?
6.Is it true that calcium interferes with iron absorption? Is it a problem to take a multivitamin containing both minerals?
7.Are supplements with amino acid chelated minerals better than those with other forms of minerals?
8.Which vitamins and minerals should be taken together or separately?
9.Do any supplements help for restless legs syndrome?
10.How does regular black pepper compare with black pepper extract used in supplements? Will sprinkling it on food with turmeric help increase the bioavailability of curcumin compounds from turmeric?  (in Comments)
11.Is it true that taking turmeric/curcumin with food can reduce iron absorption from food?
12.Which supplements can cause constipation?
13.I developed a rash after taking an iron supplement and then realized the supplement contained soy, to which I am allergic. Can your reports help me avoid soy and other allergens in supplements?
14.Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
15.I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts?
16.Can vitamin supplements strengthen brittle nails?
17.How likely are Americans to be deficient in vitamins or minerals?
18.Which supplements should be taken with food?
19.Help! How do I know how much magnesium I am actually getting from my supplement? The label says it contains 500 mg of magnesium "as magnesium citrate" -- but how much of that is magnesium and how much is citrate?
20.Are there any supplements I should avoid when taking an antibiotic? Are there any that may be helpful?
21.How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?
22.I take a number of supplements and I think they are making my acid reflux worse. Which supplements could be causing my stomach irritation, and what can I do about it?
23.I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?
24.Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
25.Which supplements help to improve energy and decrease fatigue?
26.Do any supplements really help with brain function, like memory and cognition?
27.When is the best time of day to take a multivitamin?
28.Why aren't there children's multivitamins specifically for girls vs. boys?
29.Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?
30.Can vitamins or other supplements cause a change in the ability to taste, or even a loss of taste?
31.I have milk allergy and can't eat dairy. What's the best way for me to get calcium?  (in Comments)
32.Are there drug interactions with curcumin or turmeric?
33.Do any supplements help reduce the symptoms of premenstrual syndrome (PMS)?
34.Are enteric coated supplements better than non-enteric coated ones?
35.Do any supplements help for hair loss?
36.Do any supplements help relieve stress?
37.Do Sugar Bear Hair Vitamins make hair shine, nails stronger, and help both to grow? They taste good but are super expensive.
38.Is the theobromine in chocolate and cocoa good or bad for me?
39.I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
40.I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?  (in Comments)
41.I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?  (in Comments)
42.How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
43.I'm thinking of changing my multivitamin, but the one I'm considering doesn't contain molybdenum. Most others have it. How important is molybdenum?
44.I've heard that having low B-12 or B-6 can cause depression. Is that true?  (in Comments)
45.What are the side effects of curcumin and turmeric?
46.Can taking CoQ10 affect my thyroid levels or interact with my thyroid medication?
47.Is sublingual vitamin B-12 really better than the pill form?  (in Comments)
48.Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.
49.Is there cause for concern with "gummy vitamins?" There are many different gummies out there. Are some better than others?
50.Which supplements can help treat constipation?
51.How can I find supplements that are gluten-free on
52.Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?
53.Does taking a laxative interfere with the absorption of vitamins or minerals?
54.Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore?

Clinical Updates Found:
2019 Be Careful With Iron (11/16/2019)
 Curcumin Caution: May Lower Iron (03/27/2019)
2018 Drug Interactions With Iron (12/05/2018)
 Iron and Stroke (10/29/2018)
 Iron Deficiency Cause (10/16/2018)
2017 Tea & Iron Absorption (12/16/2017)
 Iron for Restless Legs (08/02/2017)
 Best Iron? (06/14/2017)
 What Iron Supplements Can and Cannot Do (05/18/2017)
2016 Don't Take Green Tea With Iron? (03/16/2016)
2015 Iron After Blood Donation (02/11/2015)
2013 More Iron, Less PMS? (03/31/2013)
2012 Feeling fatigued? Iron may help (07/15/2012)
2011 Women-Vitamin Study - Key Points (10/12/2011)

Recalls and Warnings Found:
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1.DMHA and Phenibut Are Not Permitted in Dietary Supplements, Warns FDA (04/16/2019)
2.Seller of 5-HTP, Potassium & More Warned for Manufacturing Violations (12/01/2018)
3.FDA Warns Seller of Goldenseal and Parasite Supplements (08/28/2018)
4.Maker of Vitamin B12 and Multimineral Supplements Warned by FDA (07/18/2018)
5.FDA Warns Seller of Cough Suppressant & Grape Seed Supplements (06/02/2018)
6.Seller of Astaxanthin, Cinnamon, Pine Bark and More Warned for Manufacturing Violations (05/12/2018)
7.FDA Warns Seller of Echinacea, Iron, Aloe Supplements & More for Manufacturing Violations (04/17/2018)
8.FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims (10/18/2017)
9.FDA Warns Consumers Not to Use Certain Liquid Multis, Vitamin D, and Other Supplements Due to Potential Bacterial Contamination (08/18/2017)
10.Liquid Multis, Vitamin D & More Recalled Due to Potential Bacterial Contamination (08/09/2016)
11.23,000 ER Visits Linked to Supplements: Palpitations, Swallowing Problems, Allergies Common (10/17/2015)
12.FDA Warns Maker of Fruit Energy Drinks for Drug Claims (06/11/2015)
13.FDA Targets Weight Loss and Workout Supplements Listing Synthetic Stimulant DMBA (04/29/2015)
14.Seller of Vitamin C, Iron and Detox Supplements Warned for Violations, Drug Claims (10/30/2014)
15.Maker of Joint and Weight Products Warned for Hidden Drugs, Manufacturing Violations (09/23/2014)
16.Seller of Aloe, Thyroid and Other Supplements Warned for Manufacturing Violations and Drug Claims (04/16/2014)
17.Seller of Iron, Prostate, Valerian and Other Supplements Warned For Multiple Violations and Drug Claims (02/13/2014)
18.Immune Supplement Recalled Due To Undeclared Milk (08/27/2013)
19.Maker of Algae Products Warned For Drug Claims, Manufacturing Violations (08/01/2013)
20.Maker of Probiotic, Iron and Folic Acid Supplements Warned For Manufacturing Violations (05/03/2013)
21.Recall: Contaminated Iron Supplement (04/19/2013)
22.Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims (03/01/2013)
23.Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims (02/13/2013)
24.Recall: Iron Supplement Containing Motion Sickness Drug (01/18/2013)
25.Men’s Sexual Enhancement Supplement Containing Prescription Drug Recalled (09/18/2012)
26.Makers of Mineral Water Containing Lithium Warned (08/09/2012)
27.FDA Warns XYMOGEN of Manufacturing and Labeling Violations Regarding Multiple Products (01/02/2012)
28.22 Brands of Whey Protein Recalled Due to Salmonella Concern (03/14/2011)
29.Many Brands of Nutrition Bars Recalled Due to Potential Salmonella Contamination (01/24/2009)
30.U.S. Marshalls Seize Supplements Promoted as Drugs (09/12/2006)
31.Recall of Multivitamins with Iron Lacking Child-Resistant Caps (07/13/2005)
32.Recall Update for Portagen Iron Fortified Nutrition Powder (05/24/2002)
33.Recall of Multivitamin Due to Unsafe Bottling For Children (03/12/2002)

News Releases Found:
2018 Reveals Its Top Picks for Best Iron Supplements (01/04/2018)
2017 Gummies Are Most Likely to Fail Testing in Review of Multivitamins -- Best and Worst Multivitamins Identified by ConsumerLab Testing (11/01/2017)
2016 Problems Found with 32% of Multivitamin/Multimineral Supplements -- Identifies Good Choices for Men, Women, and Children (01/12/2016)
2015's Tests of Digestive Enzyme Supplements Reveal What Labels Don't (05/05/2015)
2014 Round-up of Recent Product Tests by -- Results for B Vitamin Supplements & Energy Drinks, Garlic, NAC (N-acetyl cysteine), Iron and Omega-7 Fatty Acids (12/09/2014) Finds Popular Cocoa Powders Contaminated; High Concentrations of Cadmium Raise Concern (08/05/2014)
2013 Use of CoQ10, Digestive Enzymes, Probiotics and B Vitamins on the Rise According to Survey (01/31/2013)
2012 Fish oil and multivitamins most popular supplements in survey -- Internet most popular place to shop (02/05/2012)
2011 puts multivitamins to the test (06/16/2011) finds 100-fold variation in cost of iron supplements (03/30/2011)
 Vitamin D use increased 52% in past two years according to survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements (01/31/2011)
2010 finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming (01/20/2010)
2008 Some iron supplements short on iron or contaminated according to (05/05/2008)
 As problems surface, and the people's pharmacy ask FDA to disclose differences between generic and original drugs (03/17/2008) finds most vitamin C supplements pass quality tests but one short on ingredient and some exceed tolerable levels (03/07/2008)
 Consumers warned of lead in some turmeric supplements — Highest lead level ever reported by; Lack of active compound also a problem (02/06/2008) finds most potassium supplements meet quality standards, but one with only 18% of ingredient — Results for 12 potassium supplements in new review (01/08/2008)
2006 Tests of "muscle" supplements finds some "weak" products but most contain expected creatine, HMB, or amino acids — Review of muscular enhancement supplements published by (11/13/2006)
2005 reports on vitamin C supplements — Test Results for 29 Products Reported Along with Information on Use (03/14/2005)
2004 reports on iron supplements — Wide variety of products pass testing; Consumers advised on proper dose, type of iron to avoid problems (07/26/2004) finds several herbal sleep supplements fail tests for quality — Results for 13 valerian products released today (07/07/2004) warns of deceptive campaign by manufacturer of children's vitamin (05/28/2004)
 Consumers warned of pitfalls with some multivitamins and vitamin waters — Testing by uncovers problems with many brands (05/21/2004)
 New report on St. John's wort highlights benefits and risks of herbal product for depression (04/27/2004)
2002 finds lead contamination remains a problem for certain mineral supplements — Lead found in iron, magnesium and, most recently, potassium pills (07/16/2002)
 Pharmavite dietary supplements receive approval — Vitamin E, SAM-e, St. John's Wort, Ginkgo and others merit approved quality products ranking (07/10/2002)
 Athletic Banned Substances Screening and Certification Program announced by — Tester of supplements to screen for substances banned in Olympics (02/08/2002) finds most B vitamin supplements contain what they claim, but often exceed safe levels — Consumers cautioned to be aware of side effects with high dose products (01/08/2002)
2001 finds fish oil supplements free of mercury, but 30% lacking in key ingredient — Test results of omega-3 fatty acid (EPA and DHA) products released today (11/20/2001)
 Sixty percent of nutrition bars fail to meet claims in tests — "Low Carb" bars often loaded with carbohydrates; excess sodium and saturated fat also found (10/30/2001)
 Most iron supplements pass testing — Lead contamination and insufficient iron found in some (10/03/2001)
 Problems and ambiguity among alternative estrogen products reported by — Results of soy and red clover isoflavone product testing released online today (08/15/2001)
 Many herbal sleep products lack key claimed ingredient — Results of's testing of valerian products released on web today (07/09/2001) reports test results of arthritis supplement — MSM; Quality found higher than for most supplements, but room for improvement remains (06/04/2001)
 Some supplements for arthritis may exceed newly released safe intake levels for manganese (01/29/2001)


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