Best Iron Supplement for Hair Loss: 9 Trusted Picks

Thorne combines a gentle, well-absorbed form of iron with one of the strongest third-party testing certifications available. Each capsule provides 25 mg of iron as ferrous bisglycinate chelate. It’s also NSF Certified for Sport, meaning an independent organization has verified the contents of the bottle and screened it for contaminants and banned substances.

• Doesn’t include vitamin C, so you may want to take it with a vitamin C-rich food or beverage.
• The 25 mg dose may not be appropriate for treating confirmed iron deficiency anemia without guidance from your healthcare provider.

It’s designed for people who need more than a maintenance iron supplement. Each capsule provides 60 mg of iron as ferrous bisglycinate, a well-absorbed form that’s often better tolerated than traditional iron salts. Instead of recommending daily use, Ritual follows an every-other-day dosing schedule, an approach supported by emerging research suggesting alternate-day dosing may improve iron absorption and reduce gastrointestinal side effects when taking higher doses. It also includes vitamin C to support iron absorption.

• The 60 mg dose isn’t appropriate for everyone and shouldn’t be taken without a confirmed need for iron.
• Every-other-day dosing requires remembering a non-daily schedule.
• Higher cost per day than most other supplements in this guide.
• People with certain medical conditions or iron overload disorders should not take supplemental iron unless advised by their healthcare provider.

It uses Ferrochel®, a patented form of ferrous bisglycinate that’s been studied for its absorption and tolerability. The company also provides extensive information about its manufacturing and testing practices, including NSF-certified cGMP facilities, accredited laboratory testing, and lot-specific testing for identity, purity, potency, and heavy metals. 

• Primarily available through healthcare practitioners and practitioner dispensaries like Fullscript rather than most retail stores.
• Doesn’t include vitamin C, so you’ll need to get it separately if desired.

It offers many of the same features found in higher-priced supplements at one of the lowest costs per serving. It uses Ferrochel®, a well-researched form of ferrous bisglycinate known for its absorption and tolerability, while providing a slightly higher daily dose than many maintenance supplements. The company also documents its manufacturing and quality control practices, including cGMP certification and heavy metal testing. 

• The 36 mg dose may be more iron than some people need, so it’s best to choose a supplement based on your lab results and healthcare provider’s recommendations.
• Doesn’t include vitamin C.

MegaFood Blood Builder has been a popular choice for years because it offers more than iron alone. In addition to 26 mg of iron, it includes vitamin C, folate, and vitamin B12, nutrients that play important roles in red blood cell production and iron metabolism. The company also documents third-party testing through accredited laboratories and manufactures its supplements in NSF-certified cGMP facilities. 

• Doesn’t carry a product-specific certification such as USP Verified or NSF Certified for Sport.
• Some research on its fermentation process was funded by the manufacturer.

It offers the same well-researched form of iron found in several of my top capsule picks without requiring you to swallow a pill. It uses Ferrochel®, a form of iron bisglycinate known for its absorption and tolerability, while also earning both the Clean Label Project Certification and Purity Award for independent testing of contaminants like heavy metals. The liquid format makes it a good option for people who have difficulty swallowing capsules or just prefer a liquid supplement. While it costs more per serving than most capsule options, it stands out for combining convenience, quality ingredients, and strong third-party testing.

• High cost per day
• Doesn’t include vitamin C.
• Liquid supplements require measuring each dose and should be refrigerated after opening if directed by the manufacturer.

If your healthcare provider has recommended a higher daily iron intake, MaryRuth also offers a higher-strength liquid iron containing 27 mg of Ferrochel® iron bisglycinate per serving. While it’s formulated for pregnancy and postpartum, it may also be appropriate for other situations where iron needs are increased, such as iron deficiency or heavy menstrual bleeding. Always choose the dose recommended by your healthcare provider.

It’s the only gummy I found with a product-specific USP Verified mark. That distinction matters because USP independently verifies that the supplement contains the ingredients listed on the label and is manufactured according to established quality standards. While it uses ferrous fumarate instead of iron bisglycinate, it’s produced by a long-established company with a strong reputation for quality. It also includes vitamin C to support iron absorption, making it a convenient all-in-one option. If you’re someone who struggles to stay consistent with capsules or tablets, a gummy you enjoy taking can be a better choice than a supplement you forget to use.

• Uses ferrous fumarate rather than iron bisglycinate.
• Contains added sugar as is typical for gummy supplements.
• Contains gelatin and carmine, so it isn’t suitable for vegans.
• Gummies may not be the best choice for those looking to avoid added sweeteners.

It offers something different from most iron supplements: AB-Fortis®, a patented microencapsulation technology designed to improve taste while helping reduce the metallic aftertaste and gastrointestinal discomfort sometimes associated with iron supplements. The product is also NSF Contents Certified and undergoes third-party testing for identity, purity, potency, and heavy metals

• Uses a microencapsulated ferric iron rather than iron bisglycinate.
• Contains dextrose and other inactive ingredients that some people may prefer to avoid.

It combines a well-researched form of iron with a buffered form of vitamin C in a simple, thoughtfully formulated supplement. It uses Ferrochel®, a patented iron bisglycinate known for its absorption and tolerability, alongside calcium ascorbate, a buffered form of vitamin C that’s generally gentler on the stomach than standard ascorbic acid. The company also has well-documented manufacturing and quality control practices, including NSF-GMP registration and testing for identity, purity, potency, and heavy metals. For people who prefer getting both nutrients in one product instead of taking separate supplements, this is a good

Contains a small amount of calcium, which may slightly reduce iron absorption, although the amount is unlikely to be clinically significant.