Relaxgreen calming oral solution for dogs and cats promotes relaxation in dogs and cats and controls anxiety and stress. It is formulated based on plants and natural substances to support the mental and emotional well-being of dogs and cats in a safe way. It prevents states of anxiety or stress associated with behavioral problems in these animals, without producing sedation. Stress reduction treatments for dogs and cats, behavioral problems derived from stress and anxiety, specific situations that pose a challenge for the animal such as moving, visits to the vet, travel, etc. Support in training processes and behavior modification GABA : it is a non-protein amino acid present naturally in the nervous system of mammals and is responsible for inhibiting or relaxing it, providing relaxation and calm. Passiflora incarnata – Commonly known as passion flower. It is a plant with anxiolytic and sedative virtues. Its flavonoids activate GABA and inhibit its reuptake. Crataegus oxycantha : Hawthorn acts in synergy with Passiflora, enhancing its action. Helps in the prevention of stress and anxiety and improves the quality of sleep. Melissa officinalis : plant that supports the action of GABA, allowing it to remain longer in the nervous system by inhibiting the enzyme that metabolizes it. Withania somnifera : known as Ashwagandha or Indian ginseng, it also acts by supporting the action of GABA. In this case, activating its receptors, in addition to reducing cortisol in the blood, a stress hormone. It helps in the adaptation to situations that can be a challenge for the animal and, therefore, improves its resistance to stress. Very useful for animals that are in the process of training or learning. L-theanine : is an amino acid found naturally in green tea. It promotes relaxation and stress reduction without producing sedation and, in turn, improves cognition, which is why it is a support to help in behavior modification processes. It increases the levels of GABA, serotonin and dopamine in the brain and competes with glutamic acid in the brain, which is excitable. B vitamins : necessary for the proper functioning of the brain and neurotransmitters. It is recommended to administer 3 ml for every 5 kg of weight, once a day. It can be administered continuously for prolonged periods if necessary. It can be administered for long periods continuously, consulting with a veterinary professional.