What is Barley Grass Powder?

Barley Grass Powder is made from dried, milled young leaves of Hordeum vulgare. It is used as a concentrated green food source of micronutrients, fiber, and plant antioxidants.

What are the potential benefits of Barley Grass Powder?

It may support antioxidant defenses, provide a nutritional boost, and help support digestive health due to its fiber and plant compounds. Effects can vary by diet and overall health.

How do you take Barley Grass Powder?

It is commonly mixed into water, smoothies, or juice, or added to foods like yogurt. Start with a small amount to assess tolerance and increase gradually.

What is a typical daily dosage for Barley Grass Powder?

A common range is about 3–9 g per day. Individual needs vary, so follow product directions and consider medical advice if you have health conditions.

Who should be cautious with Barley Grass Powder?

People with allergies to grasses or those with medical conditions or medications should use caution. If pregnant, breastfeeding, or immunocompromised, consult a healthcare professional before use.

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Vitamin B

Vitamin B1 (Thiamine)

Vitamin B2 (Riboflavin)

Vitamin B3 (Niacin)

Vitamin B5 (Pantothenic Acid)

Vitamin B6 (Pyridoxine)

Vitamin B7 (Biotin)

Vitamin B9 (Folic Acid)

Vitamin B12 (Methylcobalamin)

Vitamin B12 (Cobalamin)

Vitamin A & Carotenoids

Vitamin C

Vitamin D

Vitamin E

Vitamin K

Vitaminoids

Trimethylglycine (Betaine)

NMN (Nicotinamide Mononucleotide)

Pyrroloquinoline Quinone (PQQ)

D-Chiro-Inositol

Coenzym Q10 (Ubiquinone)

Betaine HCL

Nicotinamide Riboside

Vitamin B8 (Myo-Inositol)

Choline

Citicoline (CDP-Choline)

Coenzyme Q10 (Ubiquinol)

Calcium

Calcium Alpha-Ketoglutarate

Magnesium

Magnesium Bisglycinate

Magnesium L-Threonate

Trace Minerals

Copper (Bisglycinate)

Chromium Picolinate

Manganese (Bisglycinate)

Zinc

Pentadecanoic Acid (C15:0)

Phosphatidylserine

R-Alpha Lipoic Acid

Black Cumin Oil

Extra Virgin Olive Oil

Ceratiq wheat oil extract

Phospholipids

Algae Oil

Fish Oil

Conjugated Linoleic Acid

Gamma-Aminobutyric Acid

Alpha-Linolenic Acid

Gamma-Linolenic Acid

Omega-3

Docosapentaenoic acid (DPA)

Eicosapentaenoic acid (EPA)

Docosahexaenoic acid (DHA)

AminoMar

Acetyl-L-Carnitine

PABA (para-aminobenzoic acid)

Essential Amino Acids

Conditionally Essential Amino Acids

L-Theanine

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Beta-Alanine

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Amino Acid Derivative

Taurine

Creatine (Hydrochloride)

L-Arginine Alpha-Ketoglutarate

Creatine (Monohydrate)

Akkermansia muciniphila

Lactobacillus Reuteri

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Bifidobacterium longum BB536

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Stinging Nettle Extract

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Red Beet Extract

Pine Extract (Pycnogenol)

Oligomeric Proanthocyanidins (OPC)

Ashwagandha Root Extract

Methylsulfonylmethane (MSM)

Citrus Sinensis Extract

Horsetail Stem Extract

Flax Seed Extract

Sulforaphane Glucosinolate

Garlic Extract

Black Pepper

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Lovage

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Garcinia Cambogia Extract

Goldenrod Extract

Green Tea Extract

Guarana Extract

Horse Chestnut Extract

Grapefruit Seed Extract

Grape Vine Leaf Extract

Green Tea Polyphenols

Epigallocatechin Gallate (EGCG)

Adaptogens

Cordyceps sinensis extract

Ginsenoside

Lion's Mane (Hericium erinaceus)

Ginseng Extract

Cat's Claw (Uncaria tomentosa)

Arjuna (Terminalia arjuna)

Tribulus Terrestris Extract

Rhodiola rosea

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Mushrooms

Reishi Extract

Astragalus Polysaccharides

Hyaluronic Acid

Glucosamine Sulfate

Chondroitin Sulfate

Glucosamine Sulphate 2KCL

Barley Grass
Powder

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Barley Grass Powder is a nutrient-rich green food made from the young leaves of the barley plant, valued for antioxidant, nutritional, and digestive benefits.

Digestion & Gut Health Essential Nutrient Antioxidant Immune Booster Energy Support

dose range

3–9 g

Divided into 1-3 daily servings.

Consumption

Mix into water, juice, or smoothies; take with or without food as tolerated.

Not fat-soluble.

Best time

Morning or with first meal is most common for convenience and routine.

Description

Barley Grass Powder is made by drying and milling the tender leaves of Hordeum vulgare, providing a concentrated source of micronutrients, fiber, and antioxidants. Consumed as a superfood, it's popular for supporting health and vitality.

benefits

Main effects with level of evidence

Moderate

Note on evidence

There is moderate evidence supporting benefits for antioxidant status, nutrient intake, and digestive support, mostly from in vitro and animal studies with some supportive human data.

Provides Antioxidant Support

Moderate

Barley grass powder contains antioxidants such as superoxide dismutase (SOD) and flavonoids, which can help reduce oxidative stress and support cellular health.

Particularly relevant for: General population · Older adults

S1 · Journal of Food Science and Technology S4 · Examine.com: Barley Grass

Nutritional Boost and Immune Support

Moderate

It provides essential vitamins (A, C, E, B vitamins) and minerals (iron, calcium, magnesium), aiding in immune function and meeting micronutrient needs.

Particularly relevant for: General population · Vegetarians/Vegans · Immunity support seekers

S2 · NIH Office of Dietary Supplements S4 · Examine.com: Barley Grass

Supports Digestive Health

Limited

The fiber and chlorophyll in barley grass can improve digestion and promote gut health.

Particularly relevant for: Individuals with digestive concerns · General population

S3 · Nutrients Journal S4 · Examine.com: Barley Grass

May Enhance Energy and Vitality

Limited

The nutrient density of barley grass may help improve subjective energy levels, particularly in individuals with low fruit and vegetable intake.

Particularly relevant for: General population · Athletes

S4 · Examine.com: Barley Grass

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally safe for most people, with main risks for those with allergies, gluten intolerance, or on anticoagulant medication.

warning notices

May cause allergic reactions in those sensitive to grasses.
Possible interactions with blood-thinning medications due to vitamin K.
Potential gluten contamination — choose certified gluten-free if celiac or severely intolerant.
Avoid if you have celiac disease or are allergic to grass plants.
Consult your doctor before use if pregnant or breastfeeding.
Use caution and monitor INR if taking blood thinners due to vitamin K content.

Known interactions with medications

Anticoagulants (e.g., warfarin)

Contraindications / special precautions

Celiac disease
Grass allergy
Monitor if on anticoagulants
Pregnancy/breastfeeding (safety data lacking)

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Most interactions are related to vitamin K content and the possibility of sensitivity for grass-allergic individuals.

Barley grass powder may interfere with blood thinners due to vitamin K.

drug · Warfarin and other blood thinners

CautionModerate

Why

Barley grass contains vitamin K, which can counteract the anticoagulant effect of drugs like warfarin.

recommendation

If you take blood thinners, monitor your INR and consult your healthcare provider before starting barley grass powder.

S5 · MedlinePlus: Barley

People with celiac disease or gluten sensitivity may react to contaminated barley grass powder.

food · Gluten-containing foods (in some barley grass products)

AvoidStrong

Why

Barley-derived products may contain traces of gluten unless processed to be gluten-free.

recommendation

Use only certified gluten-free barley grass products if you have celiac disease or gluten sensitivity.

S6 · EFSA Scientific Opinion on Barley Grass

Allergic reactions are possible in those with grass allergies.

food · Other grass-derived supplements

CautionLimited

Why

Barley grass is botanically related to other grasses and may cause allergic reactions in sensitive individuals.

recommendation

Avoid use if allergic to grasses or similar plants.

S7 · Mayo Clinic: Supplements - Barley

mechanisms of action

Brief explanations of how it works

Antioxidant Enzyme Provision

Barley grass contains the antioxidant enzyme SOD, which helps neutralize reactive oxygen species and reduce oxidative damage.

S1 · Journal of Food Science and Technology

Nutrient Density

A rich source of vitamins and minerals, barley grass may help correct micronutrient deficiencies and support metabolic function.

S2 · NIH Office of Dietary Supplements

Chlorophyll and Fiber for Detox and Digestion

Chlorophyll assists in binding toxins and facilitating elimination, while fiber helps promote gut motility and digestive health.

S3 · Nutrients Journal

Sources & References

Primary literature and reviews on which these statements are based

7 sources

Journal of Food Science and Technology

Antioxidant properties of barley grass

NIH Office of Dietary Supplements

General supplement and nutrient information

Nutrients Journal

Barley grass effects on gut health

Examine.com: Barley Grass

Summary of evidence and effects for barley grass

MedlinePlus: Barley

Safety, interactions, and uses

EFSA Scientific Opinion on Barley Grass

EFSA evaluation of barley and related grass products

Mayo Clinic: Supplements - Barley

Consumer guidance and safety info

Last updated: February 8, 2026

This information is for educational purposes only and does not replace medical advice.