When eaten on an empty stomach, its effective component, polyphenols, is water-soluble, which will affect the absorption of this product when used with foods containing more fat. It is generally recommended to take it on an empty stomach and eat it during the day to prevent radiation.

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Grape seed extract contains organic acids such as catechin, proanthocyanidins and caffeic acid, and proanthocyanidins also contain catechin, oligomeric proanthocyanidins and tannins. Many similar products in the market do not indicate this index, and some merchants even play word games, saying that the content of proanthocyanidins in grape seed extract is as high as 95%, but they do not indicate the content of grape seed extract in capsules, especially some grape seed soft capsules (which are oily), the main component of which is gelatin, and the content of grape seed extract is extremely high.

Tairuile brand grape seed capsule is a hard capsule, which contains 0/00% pure grape seed extract (powder) from French FERCO company/KLOC, and does not contain any auxiliary materials and additives. The package specification is 100mg/ capsule,

OPC ≥ 65% (OPC is the real efficacy of grape seeds, but many products on the market do not indicate this index).

The content of proanthocyanidins (total polyphenols) is greater than or equal to 90-95% (most products on the market only indicate this index).