Simply Seaweed’s Ascophyllum nodosum is a natural and easy way to look after your dog or cat’s dental health. Ascophyllum nodosum is a species of seaweed that may help with the following: Dental maintenance Prevention of dental disease Prevention, reduction and removal of plaque and calculus (tartar) Reduction or elimination of halitosis (bad breath) Stain removal and whitening of teeth How Does It Work？ After being consumed by your pet, Ascophyllum nodosum works in several ways to improve dental hygiene, due to its natural antibacterial, anti-inflammatory and anti-adhesive properties. Existing plaque is softened and new plaque is prevented from sticking to teeth. DOSAGE GUIDE Cats and small dogs (up to 10kg) 1/16 to 1/8 teaspoon daily (1 to 2 pinches daily) Medium dogs (10kg to 25kg) 1/8 to 1/4 teaspoon daily Large dogs (over 25kg) 1/4 to 1/2 teaspoon daily DO NOT GIVE TO ANIMALS WITH THYROID PROBLEMS UNLESS UNDER VETERINARY SUPERVISION