Supplements

Iron in supplements · page 134

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 134 of 135

Slow Release IronRite Aid Pharmacy · Tablet or Pill45 mg per serving

Iron RxHoltraCeuticals · Capsule29 mg per serving

Vitamin B-12 Plus IronIndiana Botanic Gardens · Capsule18 mg per serving

High Strength Iron 14 mgSimply Supplements · Tablet or Pill45 mg per serving

Ferrex-150Major · Capsule150 mg per serving

Ferrous GluconateMajor Pharmaceuticals · Tablet or Pill38 mg per serving

Ferrous Sulfate Green TabletsMajor Pharmaceuticals · Tablet or Pill65 mg per serving

FeroSul RedMajor · Tablet or Pill65 mg per serving

Ferate Tabs Elemental Iron 27 mgMajor · Tablet or Pill27 mg per serving

Iron TabletsGeri-Care · Tablet or Pill65 mg per serving

Iron 18 mgBIOVEA · Capsule18 mg per serving

Trace Mineral MaintenanceNature's Sunshine · Tablet or Pill5.0 mg per serving

FeroSul 220 mgMajor · Liquid220 mg per serving

Ideal Iron 50 mgThompson · Tablet or Pill100 mg per serving

Reacted IronOrtho Molecular Products · Capsule29 mg per serving

Organic Iron DropsWellements · Liquid10 mg per serving

Iron 28 mgThe Vitamin Shoppe · Capsule28 mg per serving

Fe Tabs Ferrous Sulfate 65 mgFoods Plus · Tablet or Pill65 mg per serving

Iron 65 mgH-E-B · Tablet or Pill65 mg per serving

Iron Ferrous Sulfate 28 mgH-E-B · Tablet or Pill28 mg per serving

High Potency Iron Supplement 28 mgFinest Nutrition · Tablet or Pill28 mg per serving

Ferrous Sulfate Tablets 325 mgQualitest · Tablet or Pill65 mg per serving

High Potency Iron 65 mgSignature Care · Tablet or Pill65 mg per serving

Fer-iron Liquid Delicious Natural Fruit FlavorRugby · Liquid15 mg per serving

Gentle Iron 25 mgSolgar · Capsule25 mg per serving

Iron 65 mgNature's Bounty · Tablet or Pill65 mg per serving

Advanced IronSundown Naturalist · Tablet or Pill50 mg per serving

Iron 65 mgSundown Naturalist · Tablet or Pill65 mg per serving

Iron 65 mgRexall · Tablet or Pill65 mg per serving

Gentle Iron 25 mgSolgar · Capsule25 mg per serving

Iron 65 mgSpring Valley · Tablet or Pill65 mg per serving

Chelated Iron 29 mgVitamer Laboratories · Tablet or Pill29 mg per serving

Blackstrap Molasses & Chelated IronVitamin World · Softgel Capsule15 mg per serving

Iron 28 mgNature's Bounty · Tablet or Pill28 mg per serving

High Potency Slow Release Iron 45 mgVitamin World · Tablet or Pill45 mg per serving

Slow Release Iron 45 mgCVS Pharmacy · Tablet or Pill45 mg per serving

True Food Easy IronHigher Nature · Capsule5.0 mg per serving

Iron Tablets, 65 mgMember's Mark · Tablet or Pill65 mg per serving

Iron Chelate 27 27 MilligramsNutraBio · Capsule27 mg per serving

True Food Easy IronHigher Nature · Capsule5.0 mg per serving

Trace Mineral MaintenanceNature's Sunshine · Tablet or Pill5.0 mg per serving

Slow Release Iron 45 mgup&up · Tablet or Pill45 mg per serving

Iron 65 mgVitamin World · Tablet or Pill65 mg per serving

Ferrochel Iron ChelateDesigns for Health · Capsule27 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).