Green tea is full of health benefits. It is great for your metabolism, restricts absorption of fat, fights ageing, improves skin condition and boosts your immune system, enables weight management among a whole lot of positive impact on your body. The side-effects of consuming this herbal treat show up only in cases of overconsumption. Green tea does contain caffeine, which must be taken in limited amount for deriving health benefits.
Caffeine can adversely affect your heart as it causes irregular heartbeat. Blood sugar control may not be easy to achieve with caffeine intake. Therefore, diabetics need to monitor their blood sugar if they want to take green tea. Diarrhoea can be worsened by green tea consumption, particularly in large amounts. Similarly irritable bowel syndrome can result due to overconsumption of green tea due to its caffeine content. Irritability, sleeping problems and dizziness are some other side-effects of caffeine.
Osteoporosis is a condition of weakened bones caused by deficient calcium content in the body. Green tea causes a drain on the body’s calcium reserve by flushing it out through urine. Caffeine should be limited to 300 mg per day, which you consume with 2 to 3 cups of green tea. You may need to make good your calcium loss by taking calcium supplements.
Certain extracts from green tea have been associated with liver damage. Many people have been found to report liver damage due to supplements made from green tea extracts. So, if you have a liver condition, think twice before consuming this drink.
An acid known as oxalate found in green tea can damage your liver. Although the damage is caused after a lot of overconsumption occurs, but all the same, there is a risk.
Tanin and caffeine are some ingredients of green tea which are allergic to some people. It can lead to skin rashes and hives.
The pressure in the veins of the eyes is increased by consuming green tea. This can worsen your glaucoma. Such an effect results within half an hour and can last up to 90 minutes.
There are many medications that do not respond favourably with green tea. You need to consult your doctor before starting green tea if you are on certain medications such as clozapine, aspirin, lithium and others.
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