This is an over the counter product - it does not require prescription.
The Safe and Gentle L-Tryptophan Formula
Pro Quiet is helpful for maintaining a healthy nervous system and mental
attitude. It has been tested and is safe and effective for use as directed.
ProQuiet is safe enough to use daily or can be used as needed in stressful
Flavored chewable tablets savored by both dogs and cats. The 7 tablet size is
perfect for short term use, such as holidays and travel.
Ingredients: L-Tryptophane, Taurine, Hops, Chamomile, Brewers Yeast, Vitamin B3,
Vitamin B6, Ginger, Vitamin B12, and Folic Acid.