Only Natural Pet Canine Thyroid Wellness Helps support normal endocrine, hormonal & enzyme systems in your dog Composed of herbs and co-factors known for supporting thyroid and immune function Made in a FDA approved facility using human-grade ingredients Available in 90 chewable tablets Only Natural Pet brand products are 100% Guaranteed! We only source healthy, high quality ingredients We minimize the environmental impact of our products Our Holistic Veterinarian Advisor, Dr. Jean Hofve, approves every product