Wholistic Pet Organics Pure Ester-CWholistic Pure Ester C ( Immune Boost) helps support a strong immune system, healthy joints, and optimum health for your pet! Wholistic Ester C is a patented, non acidic, Body Ready form of Vitamin C that is easily absorbed for maximum effectiveness over other forms of Vitamin C. Dogs do produce some Vitamin C, but not nearly the amount that may be necessary for peak health. Under periods of elevated stress, Vitamin C is rapidly depleted. Wholistic