Grape Seed Extract

You should always consider the risks of a nootropic before you use it.

Side effects

No negative side effects were seen in the study that we reviewed.

It is usually safer and more effective to use nootropics as they have been used in studies on humans. In the the studies that we’ve reviewed, Grape Seed Extract was used in the following ways:

• 250 Milligram doses for acute effects

  [1]

In the 1 study that met our inclusion criteria, 54 participants received Grape Seed Extract. In total, we examined 1 studies on the effects Grape Seed Extract, which you can find summaries of below.