Botanical Library
Green Tea
Traditional use tradition
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At a glance
Where it's from
Native to China; from Camellia sinensis.
Look & taste
Steamed, unoxidized tea leaves. Grassy, vegetal, astringent
Signature compounds
Catechins (EGCG), caffeine and L-theanine.
Traditionally used for
A revered East Asian daily tonic for clarity, digestion and long life.
In Canada, we can say...
Source of antioxidants. Used, with reduced calorie intake and increased activity, to help in weight management.
Did you know?
Green and black tea come from the same plant - green is simply unoxidized.
History & natural history
Central to Chinese and Japanese culture for over a millennium, from medicine to ceremony.
What we're actually allowed to say
🇨🇦 Health Canada
✓ Permitted: Source of antioxidants. Used, with reduced calorie intake and increased activity, to help in weight management.
How to use it
As brewed tea or a standardized extract.
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Request Green Tea →Side effects & safety
Rare liver-injury risk - stop use and seek care if signs of liver trouble appear. Check with a practitioner if pregnant, breastfeeding, iron-deficient, or taking medication.
A note on how to read this page. Traditional (TCM / Ayurveda) and holistic notes are cultural and historical context, offered for education — not medical advice or health claims. Health Canada's permitted claims reflect what regulators have assessed. Emerging research is early, and not a promise of results. Nothing here is intended to diagnose, treat, cure or prevent any disease. Always talk to your (or your pet's) health professional before starting a supplement.