Effective dosage will vary from person to person. It is important to stick to the dosage guidelines outlined by GENESIS LIFE. CBD has no known severe side effects, but mild side effects could include nausea, vomiting, drowsiness, dry mouth, and diarrhea. If you experience any side effects, we advise decreasing the amount of CBD you’re taking in a single serving. If you experience ongoing side effects, please discontinue use and consult your physician.