What side effects and efficiency long time use the Grape seed what are ?

What side effects and efficiency long time use the Grape seed what are ?   What is grape seed extract ? What are Grape seed extract efficacy and side effects Grape seed extract is from a natural grape seed extract nutrients and effective activity of vitamin E and other major raw materials refined nutritious foods , proanthocyanidins is a potent antioxidant, a potent free radical scavenger , is found in one of the most powerful antioxidants . 1 , reduce wrinkles , [...]