Thyroid Health Formula is a dietary supplement designed to support a healthy thyroid gland, the major gland of metabolism. This multi-nutrient formula includes iodine, selenium, copper, manganese, L-tyrosine, ashwagandha extract, and guggul extract for comprehensive thyroid and metabolic support.*

For daily thyroid support, take 2 capsules 1–2 times per day or as directed by a health professional.* This supplement is free from artificial preservatives, colors, and sweeteners; it is also gluten-free, dairy-free, and non-GMO.

True ownership sets Natural Factors apart. As a family-owned company, we have direct ownership of all product manufacturing stages and, unlike most brands, we uniquely control every step from ingredient sourcing to final supplement. This includes sourcing from our own organic farms, where we've been practicing regenerative farming for over thirty years. Our research-supported formulas are developed by our diverse medical team to deliver highly effective products with meaningful levels of ingredients that deliver results to you.

Natural Factors products are third-party certified by ISURA to be non-GMO and tested for over 800 contaminants and adulterants, providing additional assurance of the unparalleled purity and quality. We're committed to doing business sustainably and with integrity and are proudly Carbon-Neutral certified. For over 60 years, we've demonstrated our unwavering commitment to quality, making Natural Factors a supplement brand you can trust.