Iron: How to Use Effectively

Product Examples: Ferrous Sulfate, Ferrous Bisglycinate, Heme Iron, Iron + Vitamin C complexes

Purpose

Supports oxygen transport, energy production, immune function, and athletic performance. Essential for preventing fatigue and supporting endurance capacity.

How to Take

  • When: Best absorbed on an empty stomach or with Vitamin C-rich foods; avoid taking with calcium, caffeine, or high-fiber meals
  • How Much: 18–27 mg/day for most active adults (varies by gender, age, and deficiency status)
  • How: Capsules, tablets, or liquid drops; take consistently to restore iron levels if deficient

Who It's Best For

  • Endurance athletes (especially runners and cyclists)
  • Women with heavy training loads or menstrual cycles
  • Vegetarians and vegans with limited heme iron intake

Pro Tips

  • Lab Testing: Ferritin and hemoglobin tests help confirm need and monitor progress
  • Absorption: Vitamin C enhances iron uptake; calcium inhibits it
  • Side Effects: If GI discomfort occurs, opt for gentler forms like iron bisglycinate

FAQs

Question

Answer

Should I take iron daily?

Only if you’re deficient or at high risk—regular testing is best.

Can iron cause nausea?

Yes, especially on an empty stomach—consider gentler formulations.

Is plant-based iron enough?

Often lower in absorption—pair with enhancers like Vitamin C.


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