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Iron

Strong Evidence
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Overview

Form
capsule
Category
Mineral

Essential for energy; deficiency causes fatigue

Supported Health Goals

Energy & Fatigue

Strong Evidence

Boost energy levels and reduce fatigue

Essential for energy; deficiency causes fatigue

Scientific Studies (1)

Efficacy of iron supplementation on fatigue and physical capacity in non-anaemic iron-deficient adults: a systematic review of randomised controlled trials.

Primary
BMJ Open· 2018· systematic review

Reduced fatigue by up to 48% in non-anaemic iron-deficient adults

View Study →

Safety & Interactions

moderate Interaction

Reduces antibiotic absorption

Recommendation: Separate doses by 2-3 hours

moderate Interaction

Reduces thyroid medication absorption

Recommendation: Separate doses by 4 hours, take thyroid on empty stomach

moderate Interaction

Reduces bisphosphonate absorption

Recommendation: Separate doses by 2 hours

moderate Interaction

Vitamin C significantly enhances iron absorption

Recommendation: Take iron with vitamin C for best absorption

moderate Interaction

Both compete for absorption, reducing effectiveness of each

Recommendation: Take at different times of day, at least 2 hours apart

moderate Interaction

Magnesium can reduce iron absorption

Recommendation: Take at different times, at least 2 hours apart

mild Interaction

May reduce iron absorption slightly

Recommendation: Consider separate dosing

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