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Compound

Barley Grass Powder

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Barley Grass Powder. Hordeum vulgare young leaves.

How it works. Chlorophyll and antioxidants.

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

How much to take. Typical dose: 3–9 g.

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 Capsule or softgel, Powder, Sublingual or buccal, Liposomal liquid.

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

Community. Experiences from people who have tried Barley Grass Powder. Anecdotes are not medical advice.

Barley Grass Powder. Hordeum vulgare young leaves.

Key compound: chlorophyll aC55H72MgN4O5 · 893.5 g/mol

What it is

Hordeum vulgare young leaves.

Food sources

Endogenously produced or biosynthesized moleculeStandardized pharmaceutical- or food-grade supplementCombined with cofactors that improve absorption or activity

Goals

General Wellness

How it works

Chlorophyll and antioxidants.

Pathways

  • Chlorophyll
  • antioxidants

Effects

  • +Antioxidant supports

What the research supports

Antioxidantmoderate

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
3–9 g
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith a meal containing fat for fat-soluble compounds; otherwise either.
Best formMost evidence is based on the capsule or softgel form.
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Side effects & interactions

Common side effects

  • Well tolerated

Medication interactions

Prescription medications (general)minor

Always disclose Barley Grass Powder 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

  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Key studies

8 studies cited in total.

PubMed: Barley Grass Powder — Antioxidant ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Barley Grass Powder and "Antioxidant". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Barley Grass Powder — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: Barley Grass Powder — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Barley Grass Powder and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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