Best Soy-Free Iron Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 23, 2026

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Soy-free iron supplements are a great alternative for those who suffer from soy allergies or simply prefer to avoid soy-based products. These supplements are designed to provide the necessary amount of iron required by the body without any soy ingredients. They are available in various forms, including capsules, tablets, and liquid, making it easy to choose the most suitable option. Soy-free iron supplements are commonly recommended for people with iron deficiency anemia, pregnant women, and those with a vegetarian or vegan diet. They are an excellent way to boost iron levels and maintain overall health.

At a Glance: Our Top Picks

Thorne Ferrasorb - Blood-Building Formula - 60 Capsules Cover #TOP 1
Thorne Ferrasorb - Blood-Building Formula - 60 Capsules
ftb score rating icon 9.8
MegaFood Blood Builder Minis - Iron Supplement Vegan - 72 Tabs (36 Servings) Cover #TOP 2
MegaFood Blood Builder Minis - Iron Supplement Vegan - 72 Tabs (36 Servings)
ftb score rating icon 9.7
MaryRuth Organics Liquid Iron Supplement 16 Fl Oz Cover #TOP 3
MaryRuth Organics Liquid Iron Supplement 16 Fl Oz
ftb score rating icon 9.5

Top 6 Soy-Free Iron Supplements

Thorne Ferrasorb - Blood-Building Formula - 60 Capsules

SF750
Thorne Ferrasorb - Blood-Building Formula - 60 Capsules Cover
THORNE - Advanced Iron Complex (Formerly Ferrasorb) - Complete Blood Support Formula* - Elemental Iron, Folate, B and C Vitamins for Optimal Absorption - Gluten, Dairy & Soy-Free - 60 Servings

Thorne Ferrasorb is an optimal blood-building supplement that provides 36 mg of well-absorbed iron per capsule, combined with essential nutrients such as vitamin C, B6, B12, and folate for optimal absorption. This supplement helps to increase iron levels and alleviate symptoms of iron deficiency, such as fatigue, dizziness, and loss of libido. Thorne Ferrasorb is free from common allergens like gluten, soy, and dairy, and is trusted by over 100 pro teams and 11 U.S. Olympic teams.

What We Like
Easy on stomach
No constipation
Small capsule size
Increases energy levels
Effective for iron deficiency

MegaFood Blood Builder Minis - Iron Supplement Vegan - 72 Tabs (36 Servings)

10427
MegaFood Blood Builder Minis - Iron Supplement Vegan - 72 Tabs (36 Servings) Cover
MegaFood Blood Builder Iron Supplement for Women & Men - Increase Iron Levels Without Side Effects - Combats Fatigue - Vitamin B12, Folic Acid & Vitamin C - Vegan - 72 Mini Tablets (36 Servings)

MegaFood Blood Builder Minis is an iron supplement that can increase iron levels in your body without causing nausea or constipation. It delivers 26 mg of iron and includes folic acid and B12 for healthy red blood cell production. The product is safe for menstruating and pregnant women, teenage girls, vegans, and vegetarians. It is crafted using Slo-Food Process and includes Beet Root and Vitamin C delivered with natural oranges to aid absorption. The supplement is non-GMO Project Verified, free of gluten, dairy, and soy, and certified kosher. MegaFood works with trusted farm partners who share their commitment to natural and regenerative agriculture.

What We Like
gentle on stomach
improves iron levels
no constipation
supports energy and recovery
easy to swallow

MaryRuth Organics Liquid Iron Supplement 16 Fl Oz

MaryRuth Organics Liquid Iron Supplement 16 Fl Oz Cover
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 | 16 Fl Oz

MaryRuth Organics Liquid Iron is designed for the whole family, including men, women, and kids aged 4 and up. It supports your body by helping produce healthy blood and transporting oxygen, which is essential for energy and overall wellness. The iron in this supplement comes from Ferrochel, a form known for better absorption and gentleness on the stomach, making it easier for your body to use. Plus, the liquid form allows you to measure the dose easily, so you can adjust it for yourself or your children without hassle. This makes it a convenient and effective choice for daily iron support.

What We Like
Suitable for all ages 4
High absorption Ferrochel iron
Easy-to-swallow liquid form
Supports healthy blood and oxygen
#TOP 4

Puregen Labs Ferrous Sulfate 325 mg

FerSo4200
Natural Gray Color
Puregen Labs Ferrous Sulfate 325 mg Cover
Puregen Labs Ferrous Sulfate 325 mg (65 mg Elemental Iron) High Potency Iron Supplement | No Artificial Color Additives - 200 Tablets Made in USA

Puregen Ferrous Sulfate is a high-potency iron supplement that helps combat iron deficiency, essential for creating red blood cells and maintaining healthy brain function. Each tablet provides 65 mg of elemental iron, exceeding your daily recommended intake. This powerful formula is designed to alleviate fatigue, enhance hemoglobin levels, and support the production of red blood cells. Additionally, the product is free from gluten, artificial colors, and other common allergens, making it a safe choice for many users. With strict manufacturing protocols in place, you can trust the quality and safety of this supplement.

What We Like
High elemental iron content
Supports red blood cell formation
Reduces fatigue
Free from common allergens

Natures Truth Iron Gummies

NT18201A
Natures Truth Iron Gummies Cover
Nature's Truth Iron Gummies | 60 Count | Vegan, Non-GMO & Gluten Free Supplement | with Zinc & B Vitamins | Grape Flavor

Natures Truth Iron Gummies are an essential supplement with 18mg of Iron per serving. The gummies are easy to take, chewable and have a delicious natural grape flavor with no aftertaste. With added essential B-Vitamins & Zinc, the vegan-friendly formula is naturally free of gluten, wheat, milk, lactose, soy, artificial sweeteners, and flavor, and Non-GMO. Backed by three generations of Vitamin Innovators, Natures Truth Iron Gummies are a quality supplement that you can trust.

What We Like
18mg of Iron per serving
Easy to take, chewable gummy form
Delicious natural grape flavor with no aftertaste
Vegan-friendly formula with essential B-Vitamins & Zinc
Naturally free of gluten, wheat, milk, lactose, soy, artificial sweetener & flavor, and Non-GMO

MaryRuth's Toddler Iron Organic Drops

DR-TD-IRN-OG-SF-2OZ-UN-01
2 Fl Oz (Pack of 1)
MaryRuth's Toddler Iron Organic Drops Cover
MaryRuth's Iron Supplement for Toddlers | Liquid Iron Supplement for Children Ages 1-3 | Iron Supplement for Iron Deficiency | Ferrochel | Sugar Free | Vegan | Non-GMO | Gluten Free | 2 Fl Oz

MaryRuth Organic Iron Drops is a liquid iron supplement for children aged 1-3 years old. It contains bioavailable Ferrochel, a unique form of iron that may have higher absorption rates and increased tolerability than Iron salts. Iron is important for a toddler's immune support, energy levels, a growing body, and overall health. It is a critical component of hemoglobin, myoglobin, proteins of red blood cells, and muscle cells. MaryRuth Organic Iron Drops come in a delicious grape flavor and are easy to take, with no more hard to swallow pills or capsules. The formula is vegan, USDA Organic, Non-GMO, Dairy-Free, Nut-Free, Gluten-Free, Wheat-Free, Soy-Free, Corn-Free, and Sugar-Free. Each bottle comes with 60 servings and can be added to your child's food or drink once daily.

What We Like
Easy-to-take liquid drops
Vegan and Non-GMO formula
Delicious grape flavor
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a good substitute for iron supplements?

To receive the most benefit, increase the amount of seafood, such as oysters and clams, and beef, turkey and chicken in your diet as an alternative to iron tablets as a supplement.

2. Which form of iron is easiest on the stomach?

Feosol Natural Release is a great iron alternative for those concerned about upset stomach. Feosol Complete is a great choice for those with a sensitive system as it minimizes side effects such as constipation and nausea.

3. What is the most gentle iron supplement?

Best Overall: Nature's Bounty Gentle Iron This supplement has iron amino acid chelates (ferrous bisglycinate). "It can be taken with food to reduce irritation while still being absorbed well," Caro says. Nature's Bounty Gentle Iron is also a top pick from ConsumerLab. These iron pills are both vegetarian and kosher.

Editor's Notes

During our soy-free iron supplement research, we found 24 soy-free iron supplement products and shortlisted 6 quality products. We collected and analyzed 223,316 customer reviews through our big data system to write the soy-free iron supplements list. We found that most customers choose soy-free iron supplements with an average price of $19.32.

The soy-free iron supplements are available for purchase. We have researched hundreds of brands and picked the top brands of soy-free iron supplements, including THORNE, MegaFood, MaryRuth Organics, P Puregen Labs, Nature's Truth. The seller of top 1 product has received honest feedback from 48,289 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.