If you have any medical condition such as diabetes that is being treated with medication to control glucose, are pregnant, lactating, trying to conceive, under the age of 18, or taking other medication, consult your physician before use. Do not consume more than 6 capsules per day. Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not take Pterostilbene and operate any heavy machinery until you know how it affects you.