EGCg: Green Tea Extract

$30.00

60 capsules

EGCg (epigallocatechin gallate) is a key active component of green tea leaves. It is valued for its antioxidant properties, for the promotion of fat metabolism, and for its role in supporting overall health and wellness.

RESEARCH SUPPORTED BENEFITS OF GREEN TEA:

  • Antioxidant activity
  • Increased energy expenditure
  • Improved fat metabolism
  • Cardiovascular support
  • Reduced risk of various cancers and metastasis
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Description

Designs for Health’s EGCg consists of decaffeinated green tea extract from the leaves of Camellia sinensis. Consumption of green tea has been documented since 2700 BC, and a large body of research shows strong associations between consumption of 5-6 or more cups of green tea per day and beneficial cardiometabolic health effects.

EGCg (epigallocatechin gallate) is among the most extensively studied green tea polyphenols, as it has been proven to account for many of the benefits observed from dry green tea or green tea extract consumption. It is the primary catechin in green tea, accounting for 50% to 80% of the catechin content, or about 200 to 300 mg per brewed cup of green tea (from 5 g dry green tea leaves).

RESEARCH SUPPORTED BENEFITS OF GREEN TEA:

  • Antioxidant activity
  • Increased energy expenditure
  • Improved fat metabolism
  • Cardiovascular support
  • Reduced risk of various cancers and metastasis

ANTIOXIDANT AND ANTI-INFLAMMATORY PROPERTIES

Consumption of green tea has been shown to increase antioxidant activity in the blood. EGCg is a potent antioxidant that may help spare or recycle other antioxidants such as alpha tocopherol and glutathione. Regarding inflammation, green tea polyphenols may help inhibit pathways related to the production of inflammatory mediators such as COX2 and LOX enzymes, TNF-α and IL-1β, and they may be beneficial for a range of chronic inflammatory conditions affecting numerous body systems. Research indicates that oral or intragastric administration of EGCg reduces inflammatory markers in animal models of tendinitis, periodontitis, and asthma.

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INCREASED ENERGY EXPENDITURE AND IMPROVED FAT METABOLISM

EGCg may be a useful adjunct to dietary and lifestyle changes for those seeking to lose body fat. A systematic review and meta-analysis of the effect of EGCg on energy expenditure (EE) and fat oxidation (FOx) found that while the results of individual studies varied, on the whole, EGCg supplementation led to small but significant increases in both parameters, and small reductions in respiratory quotient (indicating greater fat oxidation). A study comparing the effect of green tea extract plus caffeine, caffeine alone, or placebo on 24-hour EE and FOx in healthy men in a metabolic chamber determined that the percentage of energy derived from carbohydrates was 45% in the green tea plus caffeine group versus 53% in the caffeine alone group and 55% in the placebo group. The percentage of energy derived from fat was 41.5% in the green tea group compared to 33.8% in the caffeine group and 31.6% in the placebo group. This shows that EGCg with caffeine has stronger effects than caffeine alone, suggesting that EGCg may independently have a beneficial role in supporting fat loss.

A double-blind RCT showed that EGCg supplementation led to reduced fasting insulin in overweight or obese postmenopausal women with elevated fasting insulin, but no changes in body weight, BMI, or waist circumference (WC).13 It is possible that a reduction in insulin could have a greater impact if combined with changes in diet and physical activity, which were not part of the study protocol. Results were more favorable in a double-blind RCT evaluating high-dose green tea extract (> 800 mg EGCg plus other catechins) for weight reduction in women with central obesity. After 12 weeks, compared to those taking placebo, subjects in the extract group showed small but significant decreases in weight, BMI and WC. Most studies employing
EGCg or green tea extracts do not call for changes to diet and exercise. Considering the diffculty many patients have with losing weight and maintaining weight loss, it is possible the modest changes induced by EGCg alone could provide a small additional advantage when combined with diet and lifestyle interventions.

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CARDIOVASCULAR SUPPORT

A randomized trial showed that among postmenopausal women, supplementation with green tea extract led to significant decreases in triglycerides, total cholesterol (TC) and LDL-C within just 4 weeks. A systematic review and meta-analysis looking at the effects of green tea catechins and blood pressure also noted significant reductions in TC and LDL-C, along with mild reductions in systolic and diastolic blood pressure. EGCg may help stimulate nitric oxide production from vascular endothelial cells20 and supplementation was shown to acutely improve endothelial function in patients with coronary artery disease (assessed via brachial artery flow-mediated dilation).

LOWER INCIDENCE OF CANCER

Green tea has been called “nature’s defense against malignancies” owing to the suppressive effects of EGCg on carcinogenesis, proliferation and in vitro. The following types of cancers showed reduced incidence and severity in association with green tea consumption in animal and human epidemiological studies: lung, stomach, colon, pancreas, liver, breast, prostate, and skin. In a trial involving patients with high-risk premalignant oral lesions, high-dose EGCg was shown to reduce levels of vascular endothelial growth factor (VEGF, an angiogenic stimulus for tumors).28 It has also been shown to reduce other growth factors and delay appearance of prostate cancer in men with high-grade prostatic neoplasms, as well as to suppress growth and metastasis of colorectal cancer in human cells in vitro and in mice in vivo. However, further well-designed research on the effects of green tea and EGCg in relation to cancer is necessary.

TESTOSTERONE METABOLISM

Testosterone is converted by 5-AR (5-alpha reductase) to DHT (dihydrotestosterone) in various cells in the body, such as epidermal and prostate cells. DHT is thought to contribute to the development of male pattern baldness, acne, hirsutism (excessive facial/body hair in females), as well as prostate enlargement and cancer. Some popular pharmacological agents used for hair loss inhibit only 5-AR type 2, expressed in prostate cells, with no effect on epidermal cells, which express 5-AR type 1. Green tea polyphenols inhibit 5-AR type 1, which makes green tea a good complement to these hair loss formulas and a good candidate for helping to reduce the occurrence and reoccurrence of male pattern baldness, acne and hirsutism.

Recommended Dose: Adults: Take 1 capsule per day with food, or as directed by your health care practitioner. Consult a health care practitioner for use beyond 12 weeks.

Brand

Designs For Health

The Science First Difference

As a manufacturer of premium quality nutritional supplements, distributed exclusively to health care practitioners, Designs for Health is committed to producing the most effective and therapeutic nutritional products possible. DFH is responsible for meeting every aspect of this concept through their guiding principle: Science First. The Science First concept includes product ingredient selection, raw material sourcing, product formulation, potency regulations and assurances, dietary recommendations, delivery methods, and education. DFH's Science-First principles guide all their decision-making processes, from product ingredient selection to packaging. In addition, all DFH supplements and products are:
  • 100% gluten-free
  • Free of all forms of soy protein
  • Include NO artificial sweeteners or detrimental levels of nutritive sweeteners such as sucrose, glucose, fructose/ high fructose corn syrup, or concentrated fruit juices

Product Formulation & Potency Decisions

Designs for Health takes pride in the development of highly effective synergistic formulations through the power of science. They use extensive research to create formulations that contain the utmost in potency with the most effective results. Over the years, practitioners have come to trust and rely on DFH's products and ingredients, knowing they are receiving the highest quality of nutritional supplement products available.

Additional information

Country

CA

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