Caffeine can also cause problems with blood sugar levels for diabetics, make diarrhea worse, and also cause issues for those with irritable bowel syndrome. [4] X Research source The caffeine in green tea can cause calcium to leave your system that your body needs to create strong bones. [5] X Research source If you have osteoporosis or are at risk for bone problems, green tea can be a problem for you. [6] X Research source
If calcium is a concern for you, you should also limit your green tea intake to 2 to 3 cups a day. [9] X Research source In addition, you take calcium supplements. Calcium supplements may offset the effects to some extent. [10] X Research source
Know the risks. If you have anemia, drinking green tea can make it worse. [17] X Research source Iron-deficiency anemia is caused by not having enough iron in the blood, which in turn lowers either the red blood cells or hemoglobin. Anemia can cause fatigue because not enough oxygen is being carried throughout your body. One cause of anemia is excessive menstrual bleeding. If you think you may be anemic, talk to your doctor about taking an iron supplement and eating iron-rich foods.
Know who’s at risk. If you suffer from glaucoma, you can increase the risk of the disease. Glaucoma is an eye disease. It affects the optic nerve. It can impair your vision over time. [19] X Research source
Eat foods rich in iron and vitamin C. Iron can help with anemia, while vitamin C increases your body’s ability to take in iron. [21] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source Iron-rich foods include meats, beans, and greens, to name a few. [22] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source Foods rich in vitamin C are things like citrus fruits, kiwi, strawberries, broccoli, and peppers. [23] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source
