Last verified: today
Grass Leaf
Also known as: wheatgrass, bamboo grass leaf, Triticum aestivum, Sasa Health, Poaceae leaf, grass leaf extract
Evidence under review. — Not yet rated
Broad, poorly-defined ingredient. Very limited human evidence. Mostly animal studies with mixed findings.
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What it does
'Grass Leaf' is a vague term covering extracts from various grass species, including wheatgrass and bamboo grass. In animal studies, wheatgrass leaf extract showed some antioxidant activity and...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose (insufficient research data)
What the Science Says
'Grass Leaf' is a vague term covering extracts from various grass species, including wheatgrass and bamboo grass. In animal studies, wheatgrass leaf extract showed some antioxidant activity and potential to slow skin tumor development, while bamboo grass leaf extract appeared to reduce stress-related hyperactivity in food-restricted mice. No human clinical trials from the provided research support specific health benefits for any grass leaf extract.
What It Doesn't Do
No proven detox effect in humans. No evidence it boosts immunity, fights cancer, or improves energy in people. The 'superfood' label is marketing, not science. Grass leaf is not a substitute for medical treatment. Lawn mowing exposure to grass leaves does not cause allergic reactions in most people — that's grass pollen, not the leaf itself.
Evidence-Based Benefits
Wheatgrass leaf extract raised antioxidant enzyme levels in mice exposed to chemical carcinogens.
Weak EvidenceEffective at: No established human dose
Bamboo grass leaf extract reduced stress-driven hyperactivity in food-restricted mice.
Weak EvidenceEffective at: No established human dose
Absorption & Bioavailability
Unknown — no human pharmacokinetic data in the provided studies
Red Flags to Watch For
- The term 'Grass Leaf' is extremely vague — products may contain wildly different species with different safety profiles
- All meaningful findings come from animal (mouse) studies, not human trials
- 1,000+ supplement products registered in NIH DSLD despite near-zero human clinical evidence
- Wheatgrass products may be contaminated with mold or bacteria if not properly processed
- People with grass pollen allergies should consult a doctor before consuming grass leaf extracts
Products Containing Grass Leaf
See how Grass Leaf is used in these analyzed products:
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25