Cancer Home > Green Tea
- High blood pressure (hypertension)
- Iron deficiency anemia
- Liver disease, such as liver failure, cirrhosis of the liver, or hepatitis
- Any heart problems
- Any allergies, including allergies to foods, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant (see Green Tea and Pregnancy)
- Breastfeeding (see Green Tea and Breastfeeding).