Green Tea Extract
Green tea extract is found in capsule, liquid, or powder supplements and comes from parts of the Camellia sinensis plant. This extract is high in polyphenol antioxidants mainly the catechin epigallocatechin gallate also known as EGCG. The green tea extract has been shown in research studies to boost the antioxidant capacity and protection from oxidative stress on the body. The green tea extract antioxidants also may help decrease blood pressure (1) to help heart health promotion. Another benefit of the rich antioxidants in green tea is the decrease in inflammation and swelling as well as an increase in cartilage protection at joints.
Several diet pills on the market contain green tea extract which many use to help lose weight (2) and increase energy. Caffeine a stimulant is found in green tea which might improve mental awareness and thinking.
Since green tea extract is high in antioxidants and has some caffeine in it though small amounts it has been shown to help assist in weight loss and burning fat. This green tea fat burner helps due to burning more calories through the increase of thermogenesis.
There are many benefits to using green tea including weight loss, healthier skin, exercise performance and recovery from exercise. Other benefits may help improve heart health, liver function, brain function, reduce cancer risk, and decrease blood sugar levels.
Green tea extract dosage is recommended at 250-500 mg per day. Green tea extract can produce some side effects including upset stomach and constipation. If taken for long periods of time and higher dosages one may see some other effects including but not limited to headache, diarrhea, dizziness, nervousness, ears ringing, confusion, heartburn, irritability, irregular heartbeat, problems sleeping, tremors, vomiting, and convulsions.