Thorne
Advanced Iron Complex
89/100
SUPPIE SCORE
82/100
EFFICACY
High
SAFETY
94/100
CLEANLINESS
What Does Advanced Iron Complex Do?
Thorne Advanced Iron Complex delivers 36 mg of well-absorbed Ferrochel ferrous bisglycinate plus vitamin C and active B vitamins to support iron status and red blood cell production with strong evidence for improved bioavailability over standard forms.
How does the chelated iron form in this product compare to other iron supplements for absorption and tolerability?
What is the recommended way to take Advanced Iron Complex to maximize benefits while minimizing side effects?
Are there any specific groups of people who should avoid iron supplements like this one?
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What Are the Benefits of Advanced Iron Complex?
Based on proven scientific research
Iron levelsVery strong
Energy supportStrong
Blood healthVery strong
Absorption enhancementStrong
Good For:
What Are the Side Effects of Thorne Advanced Iron Complex?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Provides 36 mg elemental iron as a gentle bisglycinate chelate that is generally well-tolerated with lower risk of constipation compared to ferrous sulfate.
•Vitamin C enhances non-heme iron absorption but may cause mild GI upset in sensitive individuals at higher doses.
•Active B-vitamin forms (P5P, methylcobalamin, L-5-MTHF) have excellent safety profiles at nutritional levels with minimal interaction risk.
•High iron intake can cause dark stools, nausea, or abdominal discomfort; do not exceed recommended dose.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Hypromellose (derived from cellulose) capsule
Low RiskMicrocrystalline cellulose
Low RiskSilicon dioxide
Low RiskCalcium laurate
Low RiskWhat Are the Ingredients in Thorne Advanced Iron Complex?
Iron (as Ferrochel ferrous bisglycinate chelate)
36 mg
Vitamin C (as ascorbic acid)
Vitamin B6 (as pyridoxal 5'-phosphate)
Folate (as L-5-MTHF)
Vitamin B12 (as methylcobalamin)
Hypromellose (derived from cellulose) capsule
Microcrystalline cellulose
Silicon dioxide
Calcium laurate
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Dosage & Bioavailability
How the active doses and forms in Advanced Iron Complex compare to the research.
•Iron (as Ferrochel ferrous bisglycinate) — 36 mg elemental per serving; within 18-65 mg daily range used in studies for deficiency repletion, chelated form shows superior.
•Vitamin C (as ascorbic acid) — amount per serving not disclosed on label; commonly paired at 50-200 mg ratios to enhance non-heme iron uptake by 2-3x.
Frequently Asked Questions
Common questions about Thorne Advanced Iron Complex