Iron: It is a must-have nutrient, particularly throughout being pregnant. Not solely does the important mineral assist preserve you energized (which, in case you’ve ever been pregnant, you know the way tiring it may be), nevertheless it additionally helps help a fetus’s development and improvement via every trimester. Because of this discovering one of the best iron complement for being pregnant is essential.
However how precisely does the mineral work within the physique? “Iron helps the physique produce hemoglobin, the protein in crimson blood cells that carry oxygen,” Prati Sharma, MD, board-certified OB/GYN, reproductive endocrinologist, and medical advisor for Bird&Be fertility model, tells Nicely+Good. In being pregnant, Dr. Sharma says getting sufficient iron is non-negotiable since depleted ranges might up your danger for points like preeclampsia1 (hypertension), hypothyroidism (underactive thyroid), pre-term birth2, and stunted growth3.
Specialists In This Article
- Brooke Miner, MS, RDN, LDN, registered dietitian nutritionist at Sunshine State Dietitian
- Emily Harland, RDN, LDN, registered dietitian nutritionist with Worley Nutrition Group
- Jillian LoPiano, MD, gynecologist and chief well being officer at Wisp
- Lauren Manaker, MS, RDN, LD, registered dietitian and prenatal and postnatal well being knowledgeable
- Megan Scutti, RDN, LDN, registered dietitian nutritionist and proprietor of Nutrition by Meg
- Prati Sharma, MD, board-certified OB/GYN, reproductive endocrinologist, and medical advisor to Bird&Be
With so many iron complement choices available on the market, discovering a secure and efficient product can really feel overwhelming. The excellent news? Prenatal specialists agree that there are just a few key options to search for when buying an iron complement.
Under, we have compiled all the pieces it is advisable to know, plus eight of our favourite iron complement picks.
What to search for in an iron complement for being pregnant
“When selecting an iron complement for being pregnant, there are a number of elements to contemplate to make sure optimum effectiveness and security,” Lauren Manaker, MS, RDN, registered dietitian nutritionist and creator of The First Time Mom’s Pregnancy Cookbook, tells Nicely+Good. Here is a breakdown of the important thing options to search for:
1. Iron dose
Most pregnant individuals want at the least 27 milligrams of iron per day throughout being pregnant. Whereas your prenatal multivitamin sometimes covers this, some individuals with a pre-existing iron deficiency may have further iron on high of their prenatal. Manaker says that every particular person’s iron wants might range, so it is vital to seek the advice of a healthcare supplier who can assess your iron ranges and supply personalised suggestions.
2. Iron type
“Go for a complement that comprises a extremely absorbable type of iron, reminiscent of ferrous bisglycinate4 or ferrous fumarate,” says Manaker. She provides that these types of iron are typically well-tolerated (that means, they could possibly be simpler in your abdomen) and have greater absorption charges than different types of iron, i.e., extra of it will get into your bloodstream.
3. Third-party testing
Most dietary dietary supplements aren’t regulated by the Food and Drug Administration (FDA), so Manaker recommends selecting a complement that has been third-party examined for high quality, purity, and accuracy of the said components to be sure to’re getting a dependable and reliable product. Some third-party certifications that assist guarantee a product meets rigorous high quality requirements embrace the National Sanitation Foundation (NSF) Worldwide and the United States Pharmacopeia (USP).
4. Different helpful components
“Think about dietary supplements that additionally include different important vitamins for being pregnant,” advises Manaker, “reminiscent of vitamin C, which can improve iron absorption.”
Iron dietary supplements could cause constipation
One other vital factor to bear in mind when trying to find an iron complement is that some sorts can result in backed-up bowels. “Increased doses might be laborious to tolerate, with constipation being the commonest facet impact,” says Parti Sharma, MD, a board-certified OB/GYN, reproductive endocrinologist, and medical advisor for Bird&Be fertility model.
If choosing extra mild varieties (like ferrous bisglycinate chelate) does not assist, Jillian LoPiano, MD, an OB/GYN and chief well being officer at Wisp recommends taking a stool softener (reminiscent of docusate or Miralax), which is secure and sometimes prescribed throughout being pregnant. Simply you’ll want to speak together with your healthcare supplier earlier than making an attempt it.
With out additional ado, listed below are our high picks.
The 8 greatest iron dietary supplements to take throughout being pregnant

Best Overall: Fullwell Fertility Iron Bump — $20.00
Dosage: 1 capsule
Iron per serving: 25 milligrams
Sort of iron: Ferrous bisglycinate
Emily Harland, RDN, LDN, a registered dietitian nutritionist with Worley Nutrition Group recommends these iron capsules from Fullwell Fertility as a result of they’re simply absorbed, mild in your digestive tract (some iron drugs can enhance your danger of constipation), and are third-party tested for contaminants, heavy metals, and for high quality assurance. “I like to recommend it to all of my purchasers needing a high-quality iron complement,” Harland provides.
- Incorporates vitamin C to assist absorption
- Light on the abdomen
- Third-party examined
- Free from most typical allergens, together with gluten, wheat, dairy, peanuts, tree nuts, and shellfish
- Incorporates a proprietary mix of veggie powders and botanical extracts, which some individuals might not want

Best for Sensitive Stomachs: Bird&Be The Gentle Prenatal — $32.00
Dosage: 3 drugs
Iron per serving: 27 milligrams
Sort of iron: Ferrous bisglycinate chelate
Dr. Sharma loves this product as a result of it’s a prenatal vitamin with iron separated into its personal capsules. “If the pregnant particular person is de facto sick, they will break up up the capsules all through the day and take the iron with no matter meals they’re in a position to preserve down,” she says.
She provides that lots of her sufferers are in a position to tolerate these drugs, even when sick, as a result of the kind of iron used (ferrous bisglycinate chelate) helps to forestall an upset abdomen and constipation.
- Vegan-friendly
- Free from most allergens, together with gluten, dairy, yeast, synthetic colours and dyes, and preservatives
- GMP-certified
- Third-party examined
- Formulated by fertility docs
- One serving measurement is three drugs
- Expensive

Best Non-Constipating: HEMA-PLEX Slow Release by NaturesPlus — $15.00
Dosage: 1 pill
Iron per serving: 85 milligrams
Sort of iron: Amino acid chelate/advanced
If iron drugs have a tendency to present you constipation even while you’re not pregnant, this product from Nature’s Plus would possibly do the trick. “This high-potency, time-released method pairs plant-based iron with vitamin C and copper, providing the proper answer for pregnant individuals experiencing anemia—sans undesirable negative effects [like constipation],” says Brooke Miner, MS, RDN, LDN, a registered dietitian nutritionist at Sunshine State Dietitian in Florida.
Miner provides that each one merchandise by this model are USDA organic and NSF-certified, giving peace of thoughts to those that devour them.
- Incorporates vitamin C to spice up iron absorption
- Gradual-release to maximise absorption
- Light on the abdomen
- Third-party examined
- The dose might too excessive for some individuals

Best Vegan: Needed Prenatal Iron — $21.00
Dosage: 1 capsule
Iron per serving: 13.5 milligrams
Sort of iron: Ferrochel (ferrous bisglycinate)
Registered dietitian nutritionist Megan Scutti, RDN, LDN recommends Needed iron as a result of it’s vegan, non-GMO, free from the top nine food allergens and gluten, and doesn’t include any undesirable fillers. Not solely are the capsules simple to swallow, however their low iron content material per serving lets you personalize your dose relying in your stage of being pregnant, really helpful iron ranges, and dietary way of life. “This makes it the proper complement irrespective of your dietary wants,” Scutti provides.
- Vegan-friendly
- Non-GMO
- Free from high 9 meals allergens and gluten
- No undesirable fillers
- Third-party examined

Best Absorbing: Life Extension Iron Protein Plus — $18.00
Dosage: 1 capsule
Iron per serving: 15 milligrams
Sort of iron: IronAid (iron protein succinylate)
Manaker recommends this choose from Life Extension as a result of it’s extremely absorbable in comparison with another varieties. Why is that? It’s made with a type of iron referred to as iron protein succinylate, which “consists of an iron certain with a protein to assist enhance its absorption within the digestive system,” Manaker provides. The one draw back is that the iron per serving is fairly low, so that you might need to take multiple capsule in case you are poor.
- Reasonably priced
- Extremely absorbable type of iron
- Third-party examined
- Non-GMO
- Vegetarian pleasant
- The iron dose could also be too low for individuals with extreme deficiency

Best Liquid: NOW Foods Iron Liquid — $20.00
Dosage: 2 teaspoons
Iron per serving: 18 milligrams
Sort of iron: Ferric glycinate
On the subject of one of the best liquid iron complement for being pregnant, Manaker turns to NOW Foods Liquid Iron as a result of it supplies 18 milligrams of iron per serving. Plus, “this complement is made with iron within the ferric glycinate type, which is a taste-free, well-absorbed type of iron,” she provides. It’s additionally dairy-, gluten-, and sugar-free, non-GMO, and Kosher, making it a good selection for quite a lot of dietary wants.
- Extremely absorbable type of iron
- Flavorless
- Non-constipating
- Third-party examined
- Usually out of inventory on NOW Meals web site
- Expensive

Best Gummy: MegaFood Iron Energy Gummies — $18.00
Dosage: 1 gummy, thrice every day
Iron per serving: 4 milligrams (for one gummy)
Sort of iron: Iron bisglycinate
If swallowing a capsule or consuming a (curiously flavored) liquid shouldn’t be your jam, a gummy would possibly show you how to get the every day iron you want. Manaker says this choose from MegaFood has just one gram of added sugar per gummy, and consists of key components like iron bisgylcinate, vitamin B12, and vitamin B6. “They’re additionally free from gelatin, so vegetarians can take pleasure in them,” she provides. “And like all MegaFood merchandise, these are examined for over 150 pesticides.”
An added bonus? They arrive in a scrumptious strawberry taste and are simple on the abdomen.
Editor’s notice: Manaker is on MegaFood’s Diet Collaborative crew.
- Vegetarian-friendly
- Simple on the abdomen
- Third-party examined

Best with Vitamin C: Thorne Ferrasorb — $22.00
Dosage: 1 capsule, one to a few instances every day
Iron per serving: 36 milligrams
Sort of iron: Ferrochel (ferrous bisglycinate chelate)
Taking iron dietary supplements with a supply of vitamin C can assist the nutrient better absorb into your abdomen and finally your bloodstream. However as a substitute of getting to drink a glass of orange juice or take a separate vitamin C pill, Thorne Ferrasorb comes with each iron and vitamin C to your comfort.
The particular sort of iron on this capsule is ferrous bisgylcinate, which can be simpler on the abdomen, plus “it comprises components like folate and B12, to assist scale back the danger of deficiencies of different B nutritional vitamins,” says Manaker. This makes it an amazing alternative for stopping anemia throughout being pregnant, as vitamin B deficiency can also lead to anemia.
Simply be mindful: For those who’re already taking a prenatal multivitamin with B-complex, speak to your healthcare supplier earlier than including Thorne Ferrasorb, as you can find yourself over-supplementing.
- Incorporates vitamin C to enhance iron absorption
- Incorporates different B nutritional vitamins
- Gluten-, soy-, and dairy-free
- Third-party examined by NSF
- Threat of B vitamin over-supplementation if additionally taking a prenatal vitamin
The ultimate takeaway
Discovering one of the best iron complement when you’re pregnant might be troublesome, however with the assistance of your healthcare supplier—who can check your iron ranges and supply suggestions—you possibly can assist stop iron and nutrient deficiencies that will enhance your danger of being pregnant problems. For those who’re ever uncertain of a product or complement’s security and efficacy, attain out to your supplier for steering.
Nicely+Good articles reference scientific, dependable, current, sturdy research to again up the data we share. You may belief us alongside your wellness journey.
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Rahmati S, Azami M, Badfar G, Parizad N, Sayehmiri Okay. The connection between maternal anemia throughout being pregnant with preterm delivery: a scientific evaluation and meta-analysis. J Matern Fetal Neonatal Med. 2020 Aug;33(15):2679-2689. doi: 10.1080/14767058.2018.1555811. Epub 2019 Apr 9. PMID: 30522368. -
Nadhiroh, Siti Rahayu, et al. “Affiliation between maternal anemia and stunting in infants and youngsters aged 0–60 months: A Systematic Literature Evaluate.” Diet, vol. 115, Nov. 2023, p. 112094, https://doi.org/10.1016/j.nut.2023.112094. -
Fischer, Jordie A J et al. “The results of oral ferrous bisglycinate supplementation on hemoglobin and ferritin concentrations in adults and youngsters: a scientific evaluation and meta-analysis of randomized managed trials.” Diet opinions vol. 81,8 (2023): 904-920. doi:10.1093/nutrit/nuac106 -
Martínez Francés, Antonio, and Javier Leal Martínez-Bujanda. “Efficacy and tolerability of oral iron protein succinylate: a scientific evaluation of three a long time of analysis.” Present medical analysis and opinion vol. 36,4 (2020): 613-623. doi:10.1080/03007995.2020.1716702
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