How effective is Feminergy Capsules Grape Seed Extract?

Healthy cardiovascular system without hyperlipidemia.
STRONG ANTIOXIDANT: Each pill has an antioxidant effect similar to 1 kg of fresh grapes and 15 bottles of wine.
HIGH CONCENTRATION: Each capsule contains 330 mg grape seed extract, while the entire container contains 19800mg grape seed extract.
HIGH OPC 95%: Grape seed extract produced from high-quality French vineyards, which eliminates free radicals and promotes anti-aging. Each capsule contains 330 mg of grape seed extract, which has the same anti-oxidizing power as 500 g of fresh grapes or 15 bottles of wine.
CONTENT: Grape seed extract produced from high-quality vineyards in France; each capsule has 330 mg of grape seed extract, and each bottle contains 19800mg.