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Iron Complex

Advanced Nutrition by Zahler
4.7
★ ★ ★ ★ ★
(10710 ratings)
Iron 25 mg
Histidine 100 mg
Folate 400 mcg
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Score98

A high-potency, gentle iron complex with bioactive B12 and histidine for superior blood health support.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:
Hair Health
Energy
General Health
Productivity Boost

Score 98

A high-potency, gentle iron complex with bioactive B12 and histidine for superior blood health support.

How scoring works
$16.22($0.16 per serving)
Pure Formulas
$ 16.22
iHerb
$ 16.22
Amazon
$ 16.22
Vitacost
$ 17.85
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Analysis

This formula features 25mg of Ferrochel iron bisglycinate along with 100mg of L-histidine to support healthy mineral transport and absorption. It includes Vitamin C and bioactive methylcobalamin, which are essential cofactors for red blood cell formation and neurological health. This comprehensive approach supports both physical energy and the nutritional foundation required for healthy hair growth.

The capsules are highly rated for being gentle on the system, making them suitable for those who usually struggle with iron supplements. While it uses synthetic folic acid, the inclusion of active B12 and high-quality iron makes it a very effective and well-tolerated option. It fits best for individuals seeking professional-grade support for general health and productivity.

Pros

  • Highly bioavailable Ferrochel iron
  • Includes active Methylcobalamin
  • Histidine added for mineral support
  • Gentle on the digestive system
  • Excellent value and customer ratings

Cons

  • Uses synthetic folic acid
  • Histidine dose is relatively modest
  • May require separate Vitamin C if higher dose needed
  • Folate form is not methylated

Warnings

  • Keep strictly away from children
  • Check for sensitivity to high-potency B-vitamins
  • Best taken away from calcium supplements

Nutrient quality

96 Highest impact

Incorporates premium Ferrochel iron and methylated B-vitamins to support high bioavailability. Focused dosages for key cofactors align perfectly with hematinic goals.

Ingredient transparency

99 Highest impact

Discloses exact amounts and specific forms for all active ingredients with high clarity. Usage instructions are simple and the inclusion of trademarked sources is clearly noted.

Customer satisfaction

97 Highest impact

Exceptional average rating across a large review volume indicates high consumer confidence and reliability. Feedback frequently highlights improvements in energy levels and a lack of digestive issues.

Value for money

99 Highest impact

Provides a high-quality chelated iron formula at an exceptionally competitive price per serving. The combination of potency and affordability makes it an outstanding value choice in the category.

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Goals

Hair Health
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

Chelated iron and L-histidine are combined with vitamin C to support optimal oxygen transport and follicle health. B12 and folic acid also assist with the cell division required for continuous hair growth.

The inclusion of Ferrochel ensures a highly bioavailable and gentle form of iron, which is essential for those with sensitive digestion. This targeted formula is well-suited for addressing hair thinning associated with low mineral status.

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Energy
Impact
Highest effect
A Goal FitA Strength of SupportC CoverageA+ Formula Quality

This advanced iron complex utilizes Ferrochel bisglycinate for superior bioavailability and gastrointestinal tolerance. The inclusion of Vitamin C, B12, and Folate creates a synergistic environment for optimal oxygen transport and red blood cell health.

These essential cofactors support the metabolic foundations of physical vitality and cognitive alertness. This formulation appears exceptionally well aligned for individuals seeking a gentle but potent energy boost through mineral replenishment.

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General Health
Impact
Highest effect
A- Goal FitA- Strength of SupportB CoverageA+ Formula Quality

Iron, Vitamin B12, and Folate are combined to support blood health and cellular methylation. These foundational nutrients are essential for maintaining long-term wellness and vitality.

Ferrochel iron provides a gentle and highly bioavailable mineral source. The use of methylcobalamin ensures the Vitamin B12 is in its active form for neurological support.

View goal →
Productivity Boost
Impact
High effect
C Goal FitA Strength of SupportC- CoverageA+ Formula Quality

This iron complex combines chelated Ferrochel iron with vitamin C and B12 to support biological energy foundations. Iron is fundamental for oxygen transport, which may assist in maintaining mental clarity in deficient populations.

While supportive of overall metabolic health, the formula lacks targeted nootropics designed to acutely boost cognitive performance. It serves as a solid baseline supplement but is not a specific productivity aid.

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Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 60 mg
Vitamin B12 (Methylcobalamin)
 80 mcg
Folic Acid
400 mcg
Ferrochel (Iron)
 25 mg
L-Histidine (L-Histidine Hydrochloride)
 100 mg
Gluten Free Adults 18–50 Kosher Dairy Free
Report overview
Iron · 25 mg OverallScore94
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
An expertly formulated iron complex that combines highly bioavailable chelated iron with necessary cofactors for blood health. It is designed to be gentle on the system while ensuring maximum nutrient uptake.
View ingredientView products
Histidine (L-Histidine Hydrochloride) · 100 mg OverallScore63
C+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD+ Value
Iron Complex utilizes a modest dose of histidine to assist with mineral absorption in a comprehensive blood-health formula. It is a very affordable option, though the histidine dose itself is low.
View ingredientView products
Folate · 400 mcg OverallScore44
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyD- Value
This iron complex includes folic acid and B12 as essential blood-building cofactors. While the dosage is adequate for support, the use of synthetic folate limits its overall quality compared to methylfolate alternatives.
View ingredientView products
82 Value

Vibrance

Eu Natural
4.2
★★★★★
(1249 ratings)
A high 5000mcg dose of biotin works synergistically with chelated iron and L-methylfolate to specifically target hair and nail health. This potent combination supports the structural integrity of tissues while maintaining foundational energy levels.
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85 Value

FertilAid for Women

Fairhaven Health
4.2
★★★★★
(5963 ratings)
Methylated folate and iron bisglycinate chelate ensure that key nutrients are in their most body-ready forms for metabolic energy. The inclusion of zinc and selenium supports antioxidant status and general systemic wellness for daily productivity.
Other sellers (2)
87 Value

Conception

Eu Natural
4.1
★★★★★
(37542 ratings)
Active L-methylfolate and chelated minerals provide high-quality support for hormonal and metabolic pathways. This formulation uses premium nutrient forms to address foundational health and energy requirements with excellent transparency.
Other sellers (2)
94 Performance

Glow

Eu Natural
4.5
★★★★★
(384 ratings)
Iron amino acid chelate is paired with L-methylfolate and methylcobalamin to provide the most bioavailable forms for red blood cell production. These bioactive nutrients support energy levels and hair health more effectively than standard synthetic cofactors.
Other sellers (2)
92 Performance

One 'n' Only Prenatal

Pure Essence
4.8
★★★★★
(359 ratings)
Iron bisglycinate is supported by a dense complex of superfoods, probiotics, and enzymes to ensure optimal metabolic health. This formula addresses energy and productivity boost goals through multiple biological pathways and nutrient-dense botanicals.
Other sellers (2)
85 Performance

Maximum Vibrance Vanilla Bean

Vibrant Health
4.8
★★★★★
(143 ratings)
Plant-based iron is delivered within a complete matrix of protein, probiotics, and whole-food antioxidants. This comprehensive approach supports general health and systemic resilience by providing all the building blocks needed for mineral utilization.
Other sellers (1)
95 Budget

Vegan True Iron Support

Source Naturals
4.7
★★★★★
(1315 ratings)
Ferrochel iron bisglycinate chelate is provided at a 27mg dose to support efficient oxygen transport and energy levels. The inclusion of Vitamin C and B12 ensures foundational cofactors are present to maximize mineral utilization at a great value.
Other sellers (1)
92 Budget

Daily Vits

NOW
4.7
★★★★★
(8116 ratings)
Ferrous bisglycinate offers superior absorption while being gentle on the stomach for daily maintenance. The addition of methylcobalamin and a broad mineral profile supports red blood cell health and general vitality more comprehensively.
Other sellers (5)
90 Budget

Ultra Prenatal Vitamins & Minerals + DHA

Nature's Truth
4.8
★★★★★
(1424 ratings)
Delivering 27mg of iron alongside essential B-vitamins and DHA supports both blood health and neurological maintenance. This simple and cost-effective approach covers the core requirements for energy and hair follicle health.
Other sellers (2)
82 Value

Vibrance

Eu Natural
4.2
★★★★★
(1249 ratings)
A high 5000mcg dose of biotin works synergistically with chelated iron and L-methylfolate to specifically target hair and nail health. This potent combination supports the structural integrity of tissues while maintaining foundational energy levels.
Other sellers (1)
85 Value

FertilAid for Women

Fairhaven Health
4.2
★★★★★
(5963 ratings)
Methylated folate and iron bisglycinate chelate ensure that key nutrients are in their most body-ready forms for metabolic energy. The inclusion of zinc and selenium supports antioxidant status and general systemic wellness for daily productivity.
Other sellers (2)
87 Value

Conception

Eu Natural
4.1
★★★★★
(37542 ratings)
Active L-methylfolate and chelated minerals provide high-quality support for hormonal and metabolic pathways. This formulation uses premium nutrient forms to address foundational health and energy requirements with excellent transparency.
Other sellers (2)
94 Performance

Glow

Eu Natural
4.5
★★★★★
(384 ratings)
Iron amino acid chelate is paired with L-methylfolate and methylcobalamin to provide the most bioavailable forms for red blood cell production. These bioactive nutrients support energy levels and hair health more effectively than standard synthetic cofactors.
Other sellers (2)
92 Performance

One 'n' Only Prenatal

Pure Essence
4.8
★★★★★
(359 ratings)
Iron bisglycinate is supported by a dense complex of superfoods, probiotics, and enzymes to ensure optimal metabolic health. This formula addresses energy and productivity boost goals through multiple biological pathways and nutrient-dense botanicals.
Other sellers (2)
85 Performance

Maximum Vibrance Vanilla Bean

Vibrant Health
4.8
★★★★★
(143 ratings)
Plant-based iron is delivered within a complete matrix of protein, probiotics, and whole-food antioxidants. This comprehensive approach supports general health and systemic resilience by providing all the building blocks needed for mineral utilization.
Other sellers (1)
Report alternatives