Supplements

Iron in supplements · page 133

6,443 supplements on the U.S. market list Iron with an amount per serving. The official Tolerable Upper Intake Level for adults is 45 mg a day.

Tolerable Upper Intake Level (UL)

The highest daily amount that is unlikely to cause harm for almost all healthy people, from food, drinks and supplements combined.

Age	Men	Women	Pregnancy	Breastfeeding
0-6 months	40 mg	40 mg	—	—
7-12 months	40 mg	40 mg	—	—
1–3 years	40 mg	40 mg	—	—
4–8 years	40 mg	40 mg	—	—
9–13 years	40 mg	40 mg	—	—
14–18 years	45 mg	45 mg	45 mg	45 mg
19–50 years	45 mg	45 mg	45 mg	45 mg
51+ years	45 mg	45 mg	—	—

Source: NIH ODS Iron Fact Sheet for Health Professionals, Table 3 (updated 2025-09-04).

Supplements with Iron

6,443 shown · page 133 of 135

Iron + Vitamin C Natural Orange FlavorBarimelts · Tablet or Pill18 mg per serving

L-Tryptophan 500 mgSource Naturals · Capsule575 mcg per serving

L-TryptophanSource Naturals · Capsule575 mcg per serving

Shilajit SupremeHealthForce SuperFoods · Powder1.0 mg per serving

Iron 25 mgHighland Laboratories · Capsule25 mg per serving

FeroSul RedMajor · Tablet or Pill65 mg per serving

Natural Ferrous SulfateRugby · Tablet or Pill65 mg per serving

FeroSul RedMajor · Tablet or Pill65 mg per serving

FeroSul GreenMajor · Tablet or Pill65 mg per serving

Liquid Iron Natural Raspberry FlavorGenestra Brands · Liquid15 mg per serving

Amino-IronDouglas Laboratories · Tablet or Pill18 mg per serving

Chelated Iron 27 mgCarlson · Tablet or Pill27 mg per serving

Gentlesorb Iron 18 mgGNC · Capsule18 mg per serving

Iron 29 mgFreeda · Tablet or Pill29 mg per serving

Iron 50 mgNovaFerrum · Capsule50 mg per serving

High Potency Liquid Iron 125 mg Raspberry Grape FlavoredNovaFerrum · Liquid125 mg per serving

Liquid Iron Chocolate FlavoredNovaFerrum Pediatric Drops · Liquid15 mg per serving

Liquid Iron Raspberry Grape FlavoredNovaFerrum Pediatric Drops · Liquid15 mg per serving

Iron ChelateAdaptogen Research · Capsule27 mg per serving

Iron 65 mgBasic Vitamins · Tablet or Pill65 mg per serving

Iron 65 mgAN Amazing Nutrition Amazing Formulas · Tablet or Pill65 mg per serving

Iron 25 mgAN Amazing Nutrition Amazing Formulas · Capsule25 mg per serving

Iron ConcentrateComplete H2O Minerals · Liquid50 mcg per serving

Chelated IronNHC Natural Healthy Concepts · Capsule29 mg per serving

Iron 25 mgAN Amazing Nutrition Amazing Formulas · Capsule25 mg per serving

Trace Minerals in Colloidal SuspensionB.E.S.T. Process Alka-Line Supplements · Liquid8.0 mg per serving

Iron Glycinate 25 mgNatural Grocers by Vitamin Cottage · Capsule25 mg per serving

Essential Iron 65 mgSundown · Tablet or Pill65 mg per serving

Iron Chelate 18 18 mgNutraBio · Capsule18 mg per serving

Ferrous GluconateMason Natural · Tablet or Pill27 mg per serving

Easy IronWoodstock Vitamins · Capsule29 mg per serving

Fe-20Bio-Tech Pharmacal · Capsule20 mg per serving

Chelated IronSolgar · Tablet or Pill25 mg per serving

Comfort Iron 25 mgThe Vitamin Shoppe · Capsule25 mg per serving

Iron 10 mgDr. Clark Research Association Dr. Clark Zentrum · Capsule10 mg per serving

Easy IronHigher Nature · Capsule5.0 mg per serving

IronZemvelo · Liquid10 mg per serving

Ferrex 150Breckenridge Pharmaceutical · Capsule150 mg per serving

Ferrocite TabletsBreckenridge Pharmaceutical · Tablet or Pill106 mg per serving

IronGenestra Brands · Capsule40 mg per serving

Iron FuzionGlobal Healing Center · Capsule18 mg per serving

Oligo IronMBi Nutraceuticals · Liquid35 mcg per serving

Ferrex 150Breckenridge Pharmaceutical · Capsule150 mg per serving

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).