CBD Gummies for Anxiety the body’s endocannabinoid system (ECS), which plays a critical role in regulating mood, sleep, appetite, and stress responses. It’s believed that CBD helps promote a state of balance in the body by influencing serotonin levels — a key neurotransmitter involved in mood regulation.Early studies and anecdotal evidence suggest that CBD may help reduce symptoms of generalized anxiety disorder (GAD), social anxiety, and even post-traumatic stress disorder (PTSD).