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EGCG
Dietary supplement containing green tea EGCG, a powerful natural antioxidant
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EGCG is a dietary supplement containing epigallocatechin gallate (EGCG), the most beneficial and effective of the antioxidant catechins in green tea.
It is produced from a natural extract of green tea, a drink consumed for thousands of years, used for fighting oxidative stress and excess weight, key factors in the ageing process.
Our ECGC supplement therefore forms part of our Longevity product category.
What benefits are offered by the EGGC in green tea?
EGCG offers numerous benefits for health:
- potent antioxidant efficacy. Green tea’s natural antioxidant properties are largely due to its catechins. These polyphenols, of which EGCG is the most potent, are able to stabilise unpaired free radicals by donating an electron to them. In this way, they help protect cells and DNA and prevent premature ageing (1-2);
- a fat-burning effect. Green tea natural extracts containing EGCG are known to improve metabolism and thus aid weight loss. The catechins in green tea, including EGCG, help to burn fat and prevent its accumulation, as well as maintain normal blood sugar levels and a healthy BMI (Body Mass Index – a measure of body fat). EGCG is thought to work by, amongst others, preventing the breakdown of noradrenaline, which is essential for oxidising fats and converting them into energy (3-4);
- cardiovascular support. Regular consumption of tea is associated with improved cardiac health: EGCG and other catechins help to both maintain blood vessel elasticity through their antioxidant action and positively affect the ratio between ‘bad’ LDL and ‘good’ HDL cholesterol (5-6);
- neuroprotective properties. EGCG crosses the blood-brain barrier easily, helping to protect the brain against oxidative stress, a key cause of neuronal degeneration. Some studies suggest that EGCG also promotes good neuronal health by fighting neuroinflammation, reducing amyloid plaque formation and promoting neurogenesis (the creation of new neurons). Green tea catechins are also associated with supporting memory, which is compromised by ageing (7-8);
- aids digestion. EGCG and other catechins in green tea help to maintain a healthy gut flora and improve digestion as a result of their antimicrobial and anti-inflammatory properties (9-10).
What are the three main strengths of the epigallocatechin gallate supplement EGCG?
EGCG stands out from rival products on the market in three main respects:
- its high content of active ingredients and efficacy. This EGCG supplement, produced from an extract of Camellia sinensis green tea standardised to 70% EGCG, provides at least 455mg of EGCG a day based on a daily dose of 2 capsules. In contrast, a cup of green tea contains just 60mg of EGCG on average, hence the benefits of taking a quality supplement to substantially increase your daily intake. The product’s particularly high content of epigallocatechin significantly increases its efficacy;
- its safe dose. This dose is nonetheless perfectly safe. It’s important not to exceed 800mg of EGCG a day as it could, amongst others, increase blood levels of transaminases, an indicator of liver damage;
- its natural source. EGCG is not a synthetic supplement but is produced from a real green tea extract standardised in EGCG.
What is in it EGCG
Any questions?
Green tea is considered to have the highest antioxidant content of all the various teas.
Green tea undergoes less processing than either black or oolong tea. As it remains unoxidized (hence its green colour and fresher, more vegetal taste), it retains a higher number of catechins, including the health-beneficial epigallocatechin gallate (EGCG).
Green tea and EGCG are recognised for their health benefits and overall safety. They can, however, cause some side-effects :
- when green tea is consumed in large quantities, its tannins (including EGCG and other catechins) can increase stomach acidity, potentially causing gastric discomfort (nausea, acid reflux, constipation...) in some people;
- these tannins can also inhibit iron absorption. If you have an increased need for iron or an iron deficiency, make sure you leave a gap of around 2 hours between drinking green tea or taking a green tea supplement and eating a meal or taking an iron supplement;
- green tea can have a diuretic effect (ie, it can increase urination), which can lead to dehydration if the water loss is not counterbalanced by sufficient fluid intake;
- theine (the ‘tea’ form of the stimulant caffeine) can increase restlessness and disrupt sleep, especially in those sensitive to it and/or when taken at night;
- theine, and to a lesser extent, EGCG, can affect blood pressure ;
- taking excessive amounts of EGCG has, in rare cases, been associated with liver problems.
For most people, however, drinking green tea is completely safe provided you restrict yourself to 3-4 cups a day. Supplementing with EGCG is also generally safe, as long as the dose recommended on the label is adhered to.
EGCG mayinteract with certain medications:
- when taken with anticoagulants and anti-platelet drugs, it can further reduce blood clotting and thus increase the risk of bleeding;
- it can also intensify the effects of blood pressure medication;
- it can interact with medication affecting the liver, HIV drugs and chemotherapy, reducing their efficacy or causing toxicity;
- and finally, EGCG can affect hormone metabolism and thus interfere with the action of oral contraceptives and hormone therapy.
If you wish to take an EGCG supplement and are on regular medication, seek advice from your doctor (especially if the drug is one of those mentioned above).
As well as taking EGCG capsules, you can also supplement with glutathione, the famous endogenous antioxidant. It’s best to opt for liposomal glutathione , the most bioavailable form, which can be taken in conjunction with another natural and powerful antioxidant, vitamin C (in fact, that’s the combination offered in the product Liposomal Glutathione).
Other promising anti-ageing mechanisms include stimulation of AMPK, an enzyme that plays a central role in regulating cellular energy metabolism. We’d therefore suggest considering ingredients such as gypenosides, berberine and fisetin, which are all being studied as potential AMPK-activators (these 3 compounds are actually combined in the synergistic formulation AMPK Booster).
february 1 2024
This is my personal favourite because it is wholesome for ten issues at the same time.
march 31 2019
Very good product! High quality
december 15 2023
favorise un peu trop le transit. gros intestin perturbé
december 6 2023
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november 23 2023
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