| ≥1 piece |
Proanthocyanidin is a pure natural blend of bioflavonoids, which is an effective ingredient extracted from the grape seed with a high concentration of Oligomer Proanthocyanidin as over 99.0%.
The grape seed used for the extract, which is a natural food without pollution in China, derive from the north of the Yellow River. The temperature varies much between day and night in this region where there is not environmental pollution to fit for the planting of grape. The good quality of the grape guarantees that of the extract.