About Green Tea
Official resources
Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.
- Tea (ClinicalTrials.gov)
- Green Tea: Science and Safety (NCCAM)
- Tea (NCCAM)
- Tea and Cancer Prevention (NCI)
- Green Tea - Clinical trials (PubMed)
- Green Tea - Dose and administration (PubMed)
- Green Tea - Adverse effects (PubMed)
- Green Tea - Mechanism of action (PubMed)
- Green Tea - Kinetics (PubMed)
- Green Tea - Poisoning (PubMed)
- Green Tea - Dietary supplement use in human (PubMed)
- Green tea (MedlinePlus Supplements)
- NIH Office of Dietary Supplements - Green Tea
- Green Tea - Clinical trials (PubMed)
Dietary Supplement Label Database
Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).
- DSLD group id
- 1173
At a glance
Approval status
GRAS
Compare All Forms
7 formsCompare supplement forms of Green Tea by absorption quality and what your body actually gets from each:
| Form | Absorption | Steps to absorb | Notes | Action |
|---|---|---|---|---|
Decaffeinated Green Tea Extract
|
— | — | — | View → |
Green Tea
|
— | — | — | View → |
| Green tea antioxidant | — | — | — | View → |
Green tea antioxidant (unspecified)
|
— | — | — | View → |
| Green Tea Extract | — | — | — | View → |
Green Tea Extract (EGCG)
|
— | — | — | View → |
Matcha Green Tea Powder
|
— | — | — | View → |
Also appears on labels as
Additional names seen on supplement labels for forms of this ingredient (beyond the main aliases above).
Green Tea Extract (Decaffeinated)
Type: Botanicals
Category for Botanicals ingredients
Watch out for
Possible interactions or cautions — talk to a healthcare provider if unsure.
- May interact with anticoagulant medications due to its vitamin K content.
- Caffeine content may interact with stimulants.
Potential Benefits
Benefits associated with Green Tea forms:
And 2 more benefits...
Potential Side Effects
Side effects associated with Green Tea forms:
And 1 more side effect...