NOW® Thyroid Energy is a complete nutritional supplement for the support of healthy thyroid function. NOW® has combined Iodine (from Kelp) & Tyrosine, the two integral constituents of thyroid hormone, with the minerals Selenium, Zinc & Copper, to assist in its production. In addition, NOW® Thyroid Energy contains Guggul Extract, an Ayurvedic herb known for its ability to support a healthy metabolism.* If you are currently taking any thyroid medications, MAO inhibitors, or any other type of anti-depressant medications, please consult your health care practitioner prior to use. Do Not Eat Freshness Packet. Keep in Bottle. As a dietary supplement, take 2-Vcaps® 2 times daily, preferably on an empty stomach. If you experience any mild nausea, consider taking with meals. If nausea persists, discontinue use. Cellulose (capsule), Magnesium Stearate (vegetable source), Cellulose & Silica.