The EFSA (European Food Safety Authority) regulates supplements in Europe. [1] X Research source An orange “USP” seal means that supplements meet U. S. Pharmacopeia quality standards and are properly labelled. [2] X Research source NSF International certifies products for the global market, and marks them with a blue “NSF” seal if they meet their quality standards. [3] X Research source
A larger percentage of ginkgo in your supplement may increase its negative side effects. [6] X Research source
Do not exceed the recommended dose. Ginkgo was linked to cancer in lab animals who were given extra large doses of it.
People with epilepsy. Pregnant or breastfeeding women. People taking blood thinners. [9] X Research source
Ginkgo biloba limits the effectiveness of SSRI (selective serotonin reuptake inhibitor) antidepressants, including Prozac and Zoloft. Mixing ginkgo with SSRIs can also lead to a fatal condition known as “serotonin syndrome” Ginkgo has been shown to increase the side effects of monoamine oxidase inhibitors (MAOIs), such as Nardil and parnate. [10] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source
Glucotrol. Glucophage. Actrose. [11] X Research source
Digestive difficulty, including nausea, upset stomach and constipation. Headache. Heart palpitations.
If you purchase whole-leaf ginkgo, be sure to wash it before proceeding. [12] X Research source
Ginger root. Cinnamon sticks. Whole cloves.
