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Green Tea Extract in Supplements: Benefits and Safety

By SodaPeak Guide Editorial Team • Updated • 2 min read

Quick answer: Green tea extract supplies antioxidants and trace caffeine; high-dose extracts have been linked to rare liver problems.

Green tea has been drunk for millennia. Concentrated extracts are different from a cup of tea.

What it contains

The NCCIH green tea overview explains catechins and caffeine, and notes safety questions about concentrated extracts.

Safety guidance

  • Take with food to lessen stomach upset
  • Report dark urine or abdominal pain to a doctor
  • Be cautious with other caffeine sources

In SodaPeak

The extract is part of the 82mg blend, so doses are low overall. Read the caffeine guide for the total.

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Frequently asked questions

Evidence is weak.

Moderate amounts are usually tolerated; ask a doctor if unsure.

Related guides

Sources

*These statements have not been evaluated by the Food and Drug Administration. This content is educational, not medical advice, and may include affiliate links; see our disclaimer.