Best Vitamin C With Iron

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The 13 Best Vitamin C With Iron

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Iron is a mineral present in hemoglobin, a protein that transports oxygen from the lungs to the tissues, and myoglobin, another protein that carries and stores oxygen for your muscles.

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It’s also essential for brain cell development, physical growth, and hormone synthesis, and it supports muscle metabolism (1Trusted Source).

Iron can be found as heme or non-heme iron. Plants and iron-fortified products only contain non-heme iron, but animal food sources contain both forms of iron. Some of the richest sources of iron include lean meats, seafood, nuts, beans, and leafy greens.

Still, some populations may have inadequate iron intakes, impaired absorption, or increased iron needs. Thus, they may be at risk of iron deficiency, which may lead to fatigue, dizziness, and weakness, among other symptoms (2Trusted Source).

These populations typically include pregnant women, infants and kids, athletes, people with heavy menstrual bleeding, those with gastrointestinal disorders or cancer, and frequent blood donors.

Fortunately, there are plenty of iron supplements available that can help restore your iron stores.

This article examines iron supplements based on the following criteria:

  • third-party testing and other quality certifications
  • the type of iron and its bioavailability, meaning whether it’s easily absorbed
  • the presence of nutrients that may enhance or impair absorption
  • the dosage and price

Here are the 13 best iron supplements for 2021.

The 13 Best Iron Supplements for 2021

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A note on price

General price ranges with dollar signs ($–$$$) are indicated below. One dollar sign means the product is rather affordable, whereas three dollar signs indicate a higher price range.

Generally, prices range from $0.04–$0.86 per serving, or $10.35–$42.99 per container, though this may vary depending on where you shop.

Pricing guide

  • $ = under $0.20 per serving
  • $$ = $0.20–$0.40 per serving
  • $$$ = over $0.40 per serving
Best subscription

Ritual

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Price: $$$

Ritual Essential vitamins come in varieties for women, men, and kids, and two forms for teens, including his and hers vitamins.

Keep in mind that not all Ritual Essential vitamins contain iron.

The Ritual Essential for Teens Multivitamin for Her and the Ritual Essential for Women Multivitamin 18+ both contain 8 mg of iron in the form of a gentle ferrous bisglycinate, or chelated iron.

But other Ritual Essential vitamins do not list iron in their ingredients.

The ferrous bisglycinate is manufactured in Ogden, Utah, can be traced by buyers, and the supplements are vegan, gluten-free, non-GMO, and free of major allergens.

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Care/of

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Price: $

Care/of is a personalized subscription vitamin service that allows you to take a quiz to personalize the vitamins and supplements you receive.

One of the supplements that the brand offers is an iron supplement. The supplement contains 18 mg of iron as ferrous fumarate, which is the least toxic form of iron and causes fewer adverse side effects due to its slow release rate (3Trusted Source).

The supplement is also vegan, gluten-free, non-GMO, and formulated with vitamin C for easier absorption (4Trusted Source).

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Persona Iron with Vitamin C

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Price: $$$

Persona is another personalized subscription service that quizzes users and sends out vitamins and supplements catered to their individual needs.

Persona offers an iron supplement that is formulated to be absorbed easily and to be gentle on the stomach. It contains 18 mg of iron as Ferronyl and contains vitamin C for absorption.

The vitamin is major allergen-, gluten-, and GMO-free. It’s also vegan and promotes healthy blood cells.

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Best budget

Nature Made Iron

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Price: $

Nature Made boasts 65 mg of iron per capsule — 361% of the Daily Value (DV) for iron — or the equivalent of 325 mg of ferrous sulfate.

Ferrous sulfate is a common form of supplemental iron with high solubility, meaning that it releases iron ions faster, making it easier to absorb (3Trusted Source).

The product is also verified by the United States Pharmacopeia (USP), a third-party organization that tests quality, including a product’s purity, potency, and performance.

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Best capsules

Thorne Iron Bisglycinate

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Price: $$

As one of the most reputable supplement brands, Thorne Iron Bisglycinate was sure to be found on this list.

This supplement packs 25 mg of iron bisglycinate per capsule, another form of iron claimed to have increased bioavailability and efficacy, as well as fewer gastrointestinal side effects (5, 6Trusted Source).

The product is also NSF Certified for Sport, meaning that it’s free of prohibited substances per most sports organizations, making it safe for athletes.

Additionally, Thorne’s facilities are verified by multiple international third-party organizations, including Australia’s Therapeutic Goods Administration (TGA) — the toughest regulatory agency in the world.

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Mason Natural Vitamins Iron Ferrous Gluconate

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Price: $

As its name suggests, this supplement provides iron in the form of ferrous gluconate, another popular supplemental iron form that’s easily absorbed.

Ferrous gluconate contains less elemental iron — or the total amount of iron in a supplement that your body can absorb — than ferrous sulfate and ferrous fumarate (7Trusted Source).

The bottle contains 100 capsules, each packing 65 mg of iron.

Mason Natural’s supplements are manufactured following the current good manufacturing practice (cGMP) guidelines enforced by the Food and Drug Administration (FDA).

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Best with vitamin C

Zahler Iron Complex

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Price: $

Zahler Iron Complex provides 25 mg of iron bisglycinate per capsule — or 139% of the DV — plus 60 mg of vitamin C.

Vitamin C is often added to iron supplements because it enhances iron absorption. In fact, it’s the only iron absorption enhancer in vegetarian diets (8Trusted Source).

The product is produced in a cGMP certified facility. It’s also kosher, gluten-, soy-, and dairy-free, as well as vegetarian-friendly.

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Garden of Life Vitamin Code Raw Iron

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Price: $$$

Garden of Life Vitamin Code Raw Iron provides 22 mg of whole food iron and 25 mg of vitamin C.

The term whole food iron means that it comes from raw-food-created nutrients. It also indicates that the supplement is produced without high heat, synthetic binders or fillers, artificial flavors, sweeteners, colors, or additives.

Additionally, the product contains an organic fruit and vegetable blend, as well as a probiotic and enzyme blend, to support digestion.

All Garden of Life products are manufactured in an FDA certified facility, and this supplement is also certified vegan, non-GMO, kosher, raw, and gluten-free.

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Best vegetarian/vegan

NOW Iron

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Price: $

NOW supplements are known for offering high quality products at affordable prices.

This one provides 18 mg of iron per capsule in the form of iron bisglycinate, and each bottle packs 120 capsules.

Furthermore, the product is certified by Underwriters Laboratories (UL), a third-party testing organization that ensures that a product meets rigorous safety standards.

It’s also certified kosher, halal, and non-GMO.

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New Chapter Fermented Iron Food Complex

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Price: $$$

Along with providing 9 mg of iron, this supplement packs 30 mg of vitamin C and multiple fermented probiotics and enzyme blends, which they list as “ferment media.”

The supplement’s fermented ingredients are meant to support digestion and ward off gastrointestinal side effects, allowing you to take it even on an empty stomach.

Its iron comes in the form of ferrous fumarate, the least toxic form of iron that is already attributed to fewer gastrointestinal side effects due to its slow release rate (3Trusted Source).

What’s more, this product is certified NSF gluten-free, international certification services, Inc. (ICS) organic, kosher, and non-GMO, as well as manufactured by a certified B Corporation. B Corporations meet high standards to balance profit and purpose.

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MegaFood Blood Builder

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Price: $$$

Unlike the other supplements on this list, MegaFood Blood Builder provides 26 mg of iron in the form of iron-enriched yeast — more specifically, S. cerevisiae.

S. cerevisiae is a valuable food supplement that provides protein and vitamins in the diet. Since it thrives in high iron environments, it’s an effective iron-uptake-supporting agent (9Trusted Source).

What’s more, this supplement also provides 60 mg of vitamin C for improved absorption.

Furthermore, all MegaFood supplements are verified by six third-party testing organizations. The company’s certifications include B Corporation, NSF gluten-free, non-GMO, kosher, vegan, and Glyphosate Residue Free.

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Best liquid

Salus-Haus Floradix Iron + Herbs

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Price: $$$

Liquid supplements offer a tasty alternative for those who dislike capsules.

Salus-Haus Floradix Iron + Herbs provides 10 mg of iron and several fruit juice concentrates per 2-teaspoon (10-mL) serving.

The iron comes in the form of ferrous gluconate. It also includes some vitamins from the vitamin B complex, which promote the growth of healthy red blood cells and contribute to a healthy nervous system (10Trusted Source, 11Trusted Source, 12Trusted Source, 13Trusted Source).

Finally, all Salus-Haus products are manufactured according to the cGMP guidelines for quality control.

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Best gummies

Vitamin Friends Adult Vegan Iron Gummies

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Price: $$$

Much like liquid supplements, gummy supplements are a convenient and tasty way to take your vitamins and minerals.

Vitamin Friends Adult Vegan Iron Gummies provide 10 mg of elemental iron per gummy, along with 30 mg of vitamin C.

The brand prides itself on being one of the few supplement brands certified top 8 allergen-free, as its products are manufactured in an allergen-free facility.

Additionally, its products are certified vegan, organic, kosher, and non-GMO, as well as manufactured in an NSF-, cGMP-, and FDA-registered facility.

What’s more, they have a wide range of children’s supplements, including Kids Organic Vegan Iron Gummies, which provide 5 grams of elemental iron per gummy.

However, keep in mind that you should only give your child a supplement if their healthcare professional recommends it.

Shop for Kids Iron Vegan Gummies online.

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How to choose

There are a few factors you should take into account when choosing an iron supplement.

First, there’s the type of iron. The most popular ones are ferrous and ferric iron salts, which include ferric sulfate, ferrous gluconate, ferrous sulfate, and ferric citrate.

Due to its higher solubility, ferrous iron tends to be more bioavailable than ferric iron, meaning that it’s more easily absorbed (1Trusted Source).

You may also find other forms of iron, such as heme iron polypeptides (HIP), carbonyl iron, iron amino-acid chelates, and polysaccharide-iron complexes (PIC), as well as iron bound to yeast (1Trusted Source, 9Trusted Source).

These may have fewer gastrointestinal side effects than the ones above.

Second, you should look for added nutrients that may impair or promote iron absorption. For instance, calcium is a strong iron intake inhibitor, whereas vitamin C is a potent enhancer (8Trusted Source).

Third, check for high quality brands that use third-party quality testing, such as those certified by organizations like UL, USP, and NSF International.

Lastly, be sure to consider the dosage and check for allergens.

The recommended daily amount of iron for adults is 8 mg for men and 18 mg for women. It increases to 27 mg for pregnant women. As for kids, those 1–3 years old need 7 mg per day, and the recommended amount rises to 10 mg per day for those 4–8 years old.

However, the recommendation for vegans and vegetarians is 1.8 times higher, as the iron from plant-based foods is less bioavailable than the iron from animal-based foods (1Trusted Source).

As for allergens, check the label to avoid unwanted ingredients, or opt for a supplement that’s certified kosher, vegan, or gluten-free.

Useful supplement shopping guides

Check out these two articles to help make supplement shopping a breeze:

  • How to Choose High Quality Vitamins and Supplements
  • How to Read Supplement Labels Like a Pro
Potential side effects

Whether iron comes from foods or supplements, it can interact with certain medications.

For example, it may reduce the absorption of drugs used to treat Parkinson’s disease and lower the efficacy of levothyroxine, a common drug used to treat hypothyroidism, goiter, and thyroid cancer (1Trusted Source).

On the other hand, some medications, such as proton pump inhibitors, which are used to treat acid reflux or stomach ulcers, can reduce iron absorption, as they lower the secretion of gastric acid, which plays a key role in iron uptake (1Trusted Source, 14Trusted Source).

Additionally, iron supplements that provide 9 mg per pound (20 mg per kg) of body weight may cause nausea, constipation, abdominal pain, and vomiting (1Trusted Source).

Therefore, it’s recommended to take your supplement with a meal.

Finally, note that it’s always best to consult your healthcare professional before taking an iron supplement.

The bottom line

Iron is an important mineral that’s necessary for oxygen transport and the formation of healthy red blood cells.

While it’s always best to fulfill your iron needs through a diet high in iron-rich whole foods, supplementing may sometimes become necessary and help you reach your daily iron needs.

Many types of iron supplements provide the mineral in varying doses and forms.

Remember to consult your healthcare professional before purchasing any supplement, and consider the factors mentioned above to make sure you choose one of high quality.

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