长寿证据薄弱

Grape seed extract

别名: OPC, proanthocyanidins

Grape seed extract is rich in proanthocyanidins (OPC), polyphenols with antioxidant activity. It is studied mainly for blood pressure and venous insufficiency, where it may have a modest effect.

用途

modest blood pressure reduction – weak to moderate evidence from meta-analyses of smaller studies
vein support for heavy legs – weak evidence
antioxidant protection – weak evidence for clinical benefit

剂型及区别

extract standardised to OPC / proanthocyanidins

prefer products stating the percentage (e.g. 80–95%)

combinations with pine bark extract or vitamin C

similar polyphenols, effect depends on doses

何时服用

With or between meals, as on the label.

适合搭配

A diet rich in fruit and vegetables, exercise, less salt.

不宜同服 / 需错开

Do not combine with blood thinners or blood-pressure medicines without asking your doctor; keep a gap from iron, as polyphenols may reduce its absorption.

注意事项

If you take blood thinners, before surgery, during pregnancy and breastfeeding, or with liver or kidney disease, consult your doctor.

安全性

Usually well tolerated; do not exceed the label dose.

实用建议

If you track blood pressure, measure it at home before starting and after 8 weeks – that is how you will see whether it helps.

含 Grape seed extract 的产品 2

Grape seed extract 100 mgOPC standardized · 100 mg / 粒抗氧化心血管

Grape seed extract 250 mgOPC standardized · 250 mg / 粒抗氧化心血管

如何理解证据评级

证据充分证据中等证据薄弱无证据

充分 = 多项高质量人体研究或官方推荐；中等 = 有前景但研究规模较小；薄弱 = 研究少或结果不一；无证据 = 说法未被证实。

搭配检查

选择您服用的补充剂及药物（如有），我们会显示哪些相互干扰、哪些需要错开时间、需要注意什么。

检查 Grape seed extract 与其他的搭配

您真正需要哪些补充剂？

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用途