THORNE - Advanced Iron Complex (formerly Ferrasorb) - Complete Blood Support Formula* - B and C Vitamins for Optimal Absorption - 60 Servings
Key item features
- Well-Absorbed Iron: Provides 36 mg of elemental iron per capsule in a well-absorbed, non-constipating form as iron bisglycinate, with B vitamins and vitamin C to enhance iron’s absorption
- Iron Plus B Vitamins: A nourishing supplement that combines vitamins B6 (pyridoxal 5'-phosphate), B12 (methylcobalamin), and B9 (folate as L-5-MTHF) with well-absorbed iron bisglycinate
- Symptoms of Low Iron: Nearly 1 in 3 adults in the U.S. may have low iron levels, which can manifest as weakness, fatigue, shortness of breath, dizziness, drowsiness, irritability, infrequent menstruation, and more
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
Specs
- BrandThorne
- Size60 Count (Pack of 1)
- Enteral medication formCapsules
- Primary ingredientIron
- FlavorUnflavored
- Allergen-free statementsGluten-Free, Dairy-Free, Egg-Free, Shellfish-Free, Fish-Free, Peanut-Free, Soy-Free, Tree Nut-Free
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About this item
Product details
A complete blood support formula. Since 1984, Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers premium, science-based products, a health diagnostics technology platform, and the latest in medical education. With more than 350 products, Thorne is the most dispensed brand by 30-to 40-year-old health care practitioners. Thorne is dedicated to improving the health of our community as well as increasing the knowledge of nutritional health and wellness. Since 2012, Thorne has partnered with educational institutes and local charities to donate more than 1M in products and profits. Thorne products do not contain any unnecessary binders, coatings, disintegrants, fillers, or lubricants (including magnesium stearate) that could impair absorption. Thorne adheres to the current Good Manufacturing Practices (cGMPs) and has the highest number of NSF Certified for Sport products which test for more than 200 banned substances for elite athletic competitions.
- Well-Absorbed Iron: Provides 36 mg of elemental iron per capsule in a well-absorbed, non-constipating form as iron bisglycinate, with B vitamins and vitamin C to enhance iron’s absorption
- Iron Plus B Vitamins: A nourishing supplement that combines vitamins B6 (pyridoxal 5'-phosphate), B12 (methylcobalamin), and B9 (folate as L-5-MTHF) with well-absorbed iron bisglycinate
- Symptoms of Low Iron: Nearly 1 in 3 adults in the U.S. may have low iron levels, which can manifest as weakness, fatigue, shortness of breath, dizziness, drowsiness, irritability, infrequent menstruation, and more
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
info:
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Specifications
Dietary Method
Gluten-Free
Multipack Quantity
1
Count Per Pack
60
Brand
Thorne
Indications
Health Concern
Beauty Support
Directions
Dosage
Take 1 capsule one to three times daily or as recommended by your health-care practitioner
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Ingredients
Ingredients
One Capsule Contains: Vitamin C (as Ascorbic Acid) 15 mg, Vitamin B6 (as Pyridoxal 5'-Phosphate) 5 mg, Folate (400 mcg as L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt ) 667 mcg DFE, Vitamin B12 (as Methylcobalamin) 300 mcg, Iron (as Ferrochel Ferrous Bisglycinate Chelate) 36 mg. Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Leucine, Silicon Dioxide.
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Showing 1-3 of 146 reviews
Mar 19, 2026
Flor
5 out of 5 stars review
Verified Purchase
This iron supplement is the only one my daughter hasn't thrown up or gotten a bad taste from. After trying many others, we finally found one she can tolerate. We're just starting with it, so we'll see if it helps improve her iron levels
Helpful?124TJ4167MA4177194726
Jul 30, 2025
Marcy
5 out of 5 stars review
Verified Purchase
No side effects.
My daughters both have very low ferritin, so they take this supplement. I trust this brand. Best of all it doesn't give my daughters any adverse side effects like some iron supplements can.
Helpful?124TJ4167MA4177194726
May 21, 2026
JB
5 out of 5 stars review
Verified Purchase
Did not upset my stomach, seems to be working well.
Helpful?124TJ4167MA4177194726
