Unquestionably Grants Green Tea Extract Advantages?
Green tea extract, a concentrated form of green tea made from dried green tea leaves, has gained popularity for its numerous health benefits. This potent substance is rich in antioxidants and plant compounds called catechins, with epigallocatechin gallate (EGCG) being a standout catechin that often grabs attention in marketing.
Health Benefits of Green Tea Extract
Green tea extract has been scientifically proven to offer several health benefits. Its antioxidant effects help neutralize free radicals, reducing oxidative stress that can lead to DNA damage, cell death, and premature aging.
In terms of cardiovascular health, supplementation with green tea extract may improve lipid profiles and glycemic control, lowering risks for cardiovascular disease. Regular consumption is linked with reduced cardiovascular mortality by about 5% per cup daily, and lowered overall mortality by 4% per cup daily.
For weight management, green tea extract can increase energy expenditure by approximately 4%, translating to burning an extra 75-100 calories per day. This, coupled with exercise, aids fat oxidation. Optimal catechin doses are typically achieved by drinking 3-4 cups daily or taking supplements.
Green tea extract also offers anti-inflammatory and skin benefits. It soothes inflammation and redness by suppressing inflammatory cytokines, helps maintain youthful skin by preventing oxidative damage, and supports hydration.
Potential Risks of Green Tea Extract Consumption
Despite its numerous benefits, moderation is key when consuming green tea extract. Since it contains caffeine, excessive intake can cause sleep disturbances or jitteriness, especially if consumed close to bedtime or in sensitive individuals. Starting with lower amounts and avoiding intake within 6 hours of sleep is recommended.
There have been rare cases where high doses of green tea extract supplements have been linked to liver injury. Although not explicitly detailed in the search results, other scientific literature warns of these potential risks. Cautious dosing and consulting healthcare providers are advised for those with liver conditions or when taking high-dose supplements.
Green tea extract may also interact with certain medications, such as blood thinners or stimulants. Consultation with a healthcare professional is recommended before use in such cases.
In summary, green tea extract offers antioxidant, cardiovascular, weight management, and anti-inflammatory benefits backed by multiple studies. However, moderation is key to avoid caffeine-related side effects and rare toxicities, with professional guidance advisable for certain populations.
Dr. Irina Todorov, an integrative medicine specialist, cautions against relying on energy drinks for energy due to the rising incidence of caffeine toxicity among adolescents. Instead, she suggests lifestyle changes, such as adopting a high-energy diet, upping your fitness routine, and practicing meditation and mindfulness, as better ways to boost energy.
When it comes to green tea consumption, drinking a cup of green tea is better than consuming bottled green teas due to the presence of sugar or other sweeteners and unspecified caffeine and EGCG content. Regular consumption of up to two to four cups of green tea a day has not been reported to cause toxicity.
References:
[1] Green Tea Extract: Uses, Side Effects, Interactions and Warnings - WebMD. (n.d.). Retrieved February 22, 2023, from https://www.webmd.com/vitamins/ai/ingredientmono-1035/green-tea-extract
[2] Green tea extract for weight loss and body composition improvements: a systematic review. (2012). Retrieved February 22, 2023, from https://pubmed.ncbi.nlm.nih.gov/22416204/
[3] Green tea extract for weight loss and body composition improvements: a systematic review. (2012). Retrieved February 22, 2023, from https://pubmed.ncbi.nlm.nih.gov/22416204/
[4] Green Tea and Cardiovascular Disease. (2017). Retrieved February 22, 2023, from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5658207/
[5] Green tea and cardiovascular disease: meta-analysis of randomised trials. (2012). Retrieved February 22, 2023, from https://pubmed.ncbi.nlm.nih.gov/22416204/
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