Halscion Cognitive Support and Stress Relief for Dogs by Gold Standard Herbs, All Natural Rehmannia Combination, 85 gram Powder, WhiteBrand: Gold Standard Herbs Color: White Features: Halscion supports normal adrenal gland activity and brain circulation, which helps episodes of anxiety, agitation and insomnia gradually lessen in severity, duration and frequency. Insomnia, agitation, lack of focus, anxiety, spinning, and restlessness are all symptoms of an excessive response to stress by the adrenal glands, such as PTSD in humans. All natural Organically grown concentrated herbal