NOT FOR USE BY INDIVIDUALS UNDER THE AGE OF 18 YEARS. DO NOT USE IF YOU ARE PREGNANT, NURSING OR ARE A WOMAN OF CHILDBEARING AGE. Consult a physician or licensed qualified health care professional before using this product if you are a woman, or if you have a family history of, have or have had prostate cancer, prostate enlargement, breast cancer, hormone-sensitive disorder, heart disease, low "good" cholesterol (HDL), high blood pressure, diabetes, an autoimmune disorder, liver disease, kidney disease, thyroid disorder, psychiatric problems, pernicious anemia, nervousness, anxiety, seizure disorder, stroke, are under age 40 or if you are using any other dietary supplement, prescription drug, including MAO inhibitors, or over-the-counter drug. Do not exceed recommended serving. Exceeding recommended serving may cause serious adverse health effects. Possible side effects include acne, oily skin, hair loss, hair growth on the face (in women), increased perspiration, aggressiveness, irritability and increased levels of estrogen. Discontinue use and call a physician or licensed qualified health care professional immediately if you experience rapid heartbeat, dizziness, blurred vision, insomnia, tremors, nervousness, unwanted hair growth, deepening of voice, headache, weight gain, mood changes, high blood pressure, changes in blood lipid levels, breast tenderness, menstrual irregularities or other similar symptoms.