Always read the ingredient label of any supplement you take very carefully, as in the picture above.
This one isn't standardized at all! Standardization is more expensive, and would be proudly announced in the supplement facts to increase its perceived value. Instead of standardization of the extract itself, all they did was testing different patches (most likely from China, otherwise indicated too) for their minimum Catechin and Caffeine content. It's EGCG content is unknown, or if they also tested, simply too insignificant to be mentioned.
I can vouch for the LEF decafinated Mega Green Tea extract I took already for many years (though as whole capsule in the morning on empty stomach), which is high quality and actually low cost. Since on this prodocol 1 capsule has to be divided into 12 parts, I would use a clean surface, like a small tablet, Make an equally formed heap of one capsule's contents, divide in 3 equally sized heaps, and devide those 2 further times to receive 12 equally sized parts. 1 to be taken for each dose. Taste wont be very pleasant. One could also fill each dose in a empty capsule and take it that way.
No opened green-tea capsule's powder would loose significantly its EGCG content in only a few days. In Ayurveda they assume a herb-powder is usually most potent the first half year. Protected in capsules ~2 years. And due to the compressed nature in pills (less oxidation) even much longer.
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