Supplement Scholar
Mineral

Heme Iron Polypeptide

Buy on Amazon ↗

Affiliate link: we may earn a commission at no extra cost to you. Disclosures

Heme Iron Polypeptide. Heme iron from bovine blood.

How it works. Absorbed via heme transporter.

What the research supports. 1 graded claims. Strongest: High bioavailability (moderate).

How much to take. Typical dose: 11 mg.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Chelated form (glycinate, bisglycinate, citrate, malate), Inorganic salt (oxide, sulfate, chloride), Liquid ionic solution, Topical or transdermal preparation.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Heme Iron Polypeptide. Anecdotes are not medical advice.

Heme Iron Polypeptide. Heme iron from bovine blood.

Element Fe · Z = 26

What it is

Heme iron from bovine blood.

Food sources

Whole foods (leafy greens, legumes, nuts, seeds, seafood, animal proteins)Fortified foods such as cereals, breads, plant milks, and table saltMineral supplements as chelates, citrates, glycinates, or inorganic salts

Goals

General WellnessEnergy Production

How it works

Absorbed via heme transporter.

Pathways

  • Absorbed via heme transporter

Effects

  • +High bioavailability supports

What the research supports

High bioavailabilitymoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
11 mg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the chelated form (glycinate, bisglycinate, citrate, malate) form.
Shop Heme Iron Polypeptide on Amazon ↗

As an Amazon Associate I earn from qualifying purchases. Look for USP, NSF or Informed Sport seals before you buy.

Side effects & interactions

Common side effects

  • Well tolerated

Medication interactions

Prescription medications (general)minor

Always disclose Heme Iron Polypeptide use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Chelated form (glycinate, bisglycinate, citrate, malate)
  • Inorganic salt (oxide, sulfate, chloride)
  • Liquid ionic solution
  • Topical or transdermal preparation

Key studies

8 studies cited in total.

PubMed: Heme Iron Polypeptide — High bioavailability ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Heme Iron Polypeptide and "High bioavailability". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Heme Iron Polypeptide — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Heme Iron Polypeptide and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Heme Iron Polypeptide — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Heme Iron Polypeptide and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

Discussion

Loading discussion…