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Updated: 06 Apr 2026

10 Best Iron Supplements Sugar-free

#1 Best Pick
Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

Swisse Ultiboost Iron - with Vitamin C to Support Dietary Iron Absorption - 30 Tablets

Brand: Swisse
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  • Tailored iron Supplement.
  • Contains iron, vitamin B6 and vitamin C to relieve tiredness and fatigue.
  • Vitamin C to support absorption of dietary iron.
  • Gentle on the stomach.
  • Ideal for diverse dietary needs.
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#2 Best Value
MaryRuth's Iron + Vitamin C Gummies for Adults | Sugar Free | Gummy Iron Supplements + VIT C for Ages 14+ | Iron Supplement for Iron Deficiency | Immune Support | Vegan | Non-GMO | 60 Count

MaryRuth's Iron + Vitamin C Gummies for Adults | Sugar Free | Gummy Iron Supplements + VIT C for Ages 14+ | Iron Supplement for Iron Deficiency | Immune Support | Vegan | Non-GMO | 60 Count

Brand: MaryRuth Organics
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  • Adult Iron Gummies: Receive 100% Recommended Daily Value of This Essential Mineral for Health! Enjoy each two-gummy serving of tasty grape-flavored vegan gummies.
  • Powerful Blend: Iron is important for blood production, cellular health, energy metabolism, and overall health. Adequate oxygen levels are crucial for good health, and sufficient iron intake helps ensure that your body gets the oxygen it needs!
  • Multiple Benefits: Iron is a critical component of hemoglobin and myoglobin, proteins of red blood cells and muscle cells, respectively. Red blood cells β€” through their relationship with hemoglobin β€” accept, store, and transport oxygen throughout the body as needed.
  • Easy-to-Chew Gummies: Ages 14+, take up to 2 gummies daily, or as recommended by a physician or healthcare professional. Do not exceed the recommended dose. Store in a cool, dry place.
  • For Most Lifestyles: Vegan, No Gelatin, Dairy Free, Gluten Free, Nut Free, Soy Free, Sugar Free, Made in a GMP Facility.
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#3 Budget Pick
Best Naturals Iron ferrous sulfate 65 mg 240 Tablets

Best Naturals Iron ferrous sulfate 65 mg 240 Tablets

Brand: Best Naturals
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  • Helps Maintain Energy UtilizationPromotes Red Blood Cell ProductionSmall & Easy to SwallowIron 65 mg as Ferrous Sulfate
  • Made in USA
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#4 Top Choice
MaryRuth Organics Iron Supplement for Women Men & Kids, Liquid Iron Supplement for Women Men & Kids, Iron for Healthy Blood & Oxygen, Ages 4 & Up, Sugar Free, Vegan, Non-GMO, Gluten Free, 15.22 Fl Oz

MaryRuth Organics Iron Supplement for Women Men & Kids, Liquid Iron Supplement for Women Men & Kids, Iron for Healthy Blood & Oxygen, Ages 4 & Up, Sugar Free, Vegan, Non-GMO, Gluten Free, 15.22 Fl Oz

Brand: MaryRuth Organics
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  • Liquid Iron Supplements for Men, Women, and Kids: Iron is important for blood production, cellular health, energy metabolism, and overall health. In fact, iron is important for transporting oxygen through the body! Adequate oxygen levels are crucial for good health, and sufficient iron intake helps ensure that you’re getting the oxygen you need.
  • Blood Builder Iron Supplement: Iron is a critical component of hemoglobin and myoglobin, proteins of red blood cells and muscle cells respectively. Red blood cells β€” through their relationship with hemoglobin β€” accept, store, and transport oxygen throughout the body as needed.
  • Absorption: Our iron for women, men, and children ages 4+ comes from bioavailable Ferrochel, otherwise known as ferrous bisglycinate chelate, a unique form of iron that may have higher absorption rates and increased tolerability than iron salts.
  • Easy-to-Take Liquid: This gentle iron supplement for women, men, and kids comes in liquid form so it’s easy to swallow and adaptable for measuring doses as needed for your family β€” even when the kiddos need a smaller dose. Suitable for ages 4 and up.
  • For Most Lifestyles: MaryRuth's liquid iron supplement for kids and adults is Non-GMO, Vegan, No Artificial Colors. Liquid iron made in a GMP (Good Manufacturing Practice) Facility. Dairy Free, Nut Free, Gluten Free, Soy Free, Sugar Free. Clean Label Project Certified. B Corp Certified.
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#5 Popular Choice
Centrum Kids Incremin Iron Mixture, Sugar Free Liquid Supplement, Cherry Flavour, 200ml | Supports Growth, Development, Vital Body Function

Centrum Kids Incremin Iron Mixture, Sugar Free Liquid Supplement, Cherry Flavour, 200ml | Supports Growth, Development, Vital Body Function

Brand: Centrum
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  • With B vitamins and lysine to support the normal growth and development of children.
  • With iron to help transport oxygen around the body, which is vital in every metabolic process
  • Contains B vitamins to help fill nutritional gaps
  • Sugar Free
  • Cherry flavour
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#6 Top Pick
Iron Supplement Prenatal & Postnatal | Liquid Iron Supplement for Pregnant & Lactating | Iron Supplement for Iron Deficiency | Immune Support | Sugar Free | Vegan | Non-GMO | Gluten Free | 15.22 Fl Oz

Iron Supplement Prenatal & Postnatal | Liquid Iron Supplement for Pregnant & Lactating | Iron Supplement for Iron Deficiency | Immune Support | Sugar Free | Vegan | Non-GMO | Gluten Free | 15.22 Fl Oz

Brand: MaryRuth Organics
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  • Essential Nutrient: This essential mineral, needed in greater quantities during pregnancy, comes in an easy-to-take liquid form to support your iron intake, in a delicious berry flavor. During pregnancy, Iron is needed for the increased production of maternal red blood cells, as well as to support the needs of the growing baby and placenta.
  • Prenatal + Postnatal Liquid Iron: Promotes overall health & wellness for mom while supporting cognitive development for baby. As a critical component of hemoglobin, a protein of red blood cells, and myoglobin, a protein of muscle cells, Iron supports the oxygenation of the body. Red blood cells β€” through their relationship with hemoglobin β€” accept, store, and transport oxygen throughout the body as needed.
  • Enhance Absorption: Our Liquid Iron comes from bioavailable Ferrochel, otherwise known as ferrous bisglycinate chelate, a unique form of Iron that may have higher absorption rates and increased tolerability than Iron salts. It is not uncommon for individuals, especially pregnant women, to be deficient in Iron, which is an essential nutrient that’s needed in greater quantities during pregnancy.
  • Easy to Take Liquid: This essential mineral comes in an easy-to-take liquid form to support your iron intake, in a delicious berry flavor. Formulated for those Pregnant or Lactating. Shake well before use. Take 1 tablespoon once daily, by itself. Do not exceed the recommended dose. To best optimize absorption, take this product at least 2 hours before or after consuming calcium.
  • Free of Common Allergens: Non-GMO, Vegan, No Artificial Colors. Liquid iron made in a GMP (Good Manufacturing Practice) Facility. Dairy Free, Nut Free, Gluten & Wheat Free, Soy Free, Corn Free, Nightshade Free, Sugar Free. Per Serving (1 Tbsp): 27mg Iron (from Ferrochel Ferrous Bisglycinate Chelate). Each bottle comes with 30 servings.
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#7 Top Pick
Renzo's Iron Supplements for Kids, Dissolvable Vegan Iron Supplement for Children, Sugar Free Iron Supplements for Kids, Oh-Oh-Oh Orange Flavor, 90 Melty Tabs

Renzo's Iron Supplements for Kids, Dissolvable Vegan Iron Supplement for Children, Sugar Free Iron Supplements for Kids, Oh-Oh-Oh Orange Flavor, 90 Melty Tabs

Brand: Renzo's
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  • 90 TABLETS OF HIGH QUALITY INGREDIENTS - We focus on making vitamins with high quality ingredients that are vegan, Non-GMO, sugar free, and gluten free, unlike other top brands that contain artificial colors and flavors or excess sugar. This means that your toddler will get all of the health benefits with no downsides.
  • BOOST DEFICIENT IRON LEVELS - Because Renzo's helps boost iron levels in children with anemia, this can help energy and focus levels improve, which also means that your children's performance in school and other activities may also improve!
  • GREAT TASTE FOR PICKY EATERS - Our subtle Oh-Oh-Oh Orange flavor means our iron vitamins taste great! Your picky kids will look forward to taking their daily iron vitamin, which means that you can skip the daily hassle of your children refusing other bad-tasting iron supplements.
  • EASY TO TAKE MELTY TABLETS THAT ARE GENTLE ON TUMMIES - Our easy dissolving tablets are ideal for kids who have trouble swallowing pills. They also contain carbonyl iron instead of iron salts that are known to cause tummy side effects.
  • ZERO SUGAR, NON-GMO, VEGAN, GLUTEN FREE - Unlike other brands that use sugary gummies that stick to teeth, our melty tabs are made in our FDA registered facility with absolutely zero sugar and only use Natural Flavors. This is great because your kids will maintain healthy teeth and can save you costly trips to the dentist.
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#8 Top Pick
Best Naturals Iron Supplement (Iron Bisglycinate) - 25mg - 180 Tablets - Gentle of Stomach - Non-Constipating

Best Naturals Iron Supplement (Iron Bisglycinate) - 25mg - 180 Tablets - Gentle of Stomach - Non-Constipating

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality.
  • 25 mg of Iron per Tablet - 180 Tablets per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
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#9 Top Pick
Best Naturals Iron Supplement - 65 mg - 240 Tablets - Non-GMO & Gluten Free

Best Naturals Iron Supplement - 65 mg - 240 Tablets - Non-GMO & Gluten Free

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality.
  • 65 mg of Iron per Tablet - 240 Tablets per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
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#10 Top Pick
Doctor's Best High Absorption Iron with Ferrochel 27 Mg Tablets, 120 Count

Doctor's Best High Absorption Iron with Ferrochel 27 Mg Tablets, 120 Count

Brand: Doctor's BEST
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  • Doctor’S Best High Absorption Iron With Ferrochel - Contains Chelated Iron To Help Increase Bioavailability. Chelation Helps Iron To Be Optimally Absorbed By Our Body And Is Well-Tolerated By The Digestive System.*
  • Essential Iron - An Essential Mineral That Helps In The Production Of Normal Red Blood Cells. The Most Common Cause Of Anemia Is Iron Deficiency. It Is An Important Component Of Hemoglobin Which Carries Oxygen Throughout The Body.*
  • Boost Iron Levels - Helps To Build Your Iron Levels, Supports Immune Healthy And Support Cell Production. Essential Component Of Hemoglobin, The Protein That Carries Oxygen From Lungs To All Body Tissues And Cells. Iron Supports Normal Red Blood Cell Production.*
  • Easy To Digest - High Absorption Iron 27 Mg Contain A Gentle, Form Of Iron Known As Ferrochel, A Patented, Fully Reacted Chelated Ferrous Bisglycinate. Ferrochel Iron Is Chelated With Two Glycines Providing High Absorption And Increased Tolerability.* Gentle On Your Stomach Iron Supplement For Women And Men.*
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