L-Tryptophan is a natural amino acid found in many proteins, which is involved in the production of the hormone serotonin and has been shown to help reduce aggression and stress. Tryptophan is an essential amino acid that creates niacin, which is key in creating the neurotransmitter serotonin. Serotonin is found mostly in the digestive system and is a chemical that regulates your cat's mood, sleep-wake cycles, level of arousal, and sensitivity to pain stimuli. Valerian root contains actinidine, a compound that acts as a stimulant for some of our feline friends. It causes mental stimulation as well as an increase in exercise, but can also leave your cats with an overall calm and relaxed aura. L-Theanine is an amino acid and is involved in Dopamine neurotransmitter function. It has been shown to have a calming effect in cats. L-theanine can be of value as an oral dietary supplement in cats, as it is safe and easy to give to felines presenting with signs of stress (hypervigilance, mydriasis, rolling skin syndrome, excessive meowing, inappropriate elimination, etc.) Ashwagandha helps all Cats to be calm, relaxed, and healthy. It can even help them learn faster and remember things better too. Ashwagandha can help support healthy blood pressure levels, stabilize healthy blood sugar, manage stable cholesterol levels in the body, and build up immunity strength. Melatonin works with other hormones and natural cycles (such as daylight hours) to regulate your cat's sleep and waking habits. Melatonin has a naturally calming effect, so it not only helps your cat get much-needed sleep, but it also helps them manage their stress levels.Melatonin works with other hormones and natural cycles (such as daylight hours) to regulate your cat's sleep and waking habits. Melatonin has a naturally calming effect, so it not only helps your cat get much-needed sleep, but it also helps them manage their stress levels. Ashwagandha helps all Cats to be calm, relaxed, and healthy. It can even help them learn faster and remember things better too. Ashwagandha can help support healthy blood pressure levels, stabilize healthy blood sugar, manage stable cholesterol levels in the body, and build up immunity strength. L-Theanine is an amino acid and is involved in Dopamine neurotransmitter function. It has been shown to have a calming effect in cats. L-theanine can be of value as an oral dietary supplement in cats, as it is safe and easy to give to felines presenting with signs of stress (hypervigilance, mydriasis, rolling skin syndrome, excessive meowing, inappropriate elimination, etc.). Valerian root contains actinidine, a compound that acts as a stimulant for some of our feline friends. It causes mental stimulation as well as an increase in exercise, but can also leave your cats with an overall calm and relaxed aura. L-tryptophan is a large natural amino acid that is an essential dietary constituent for cats. L-Tryptophan is a natural amino acid found in many proteins, it is involved in the production of the hormone serotonin and has been shown to help reduce aggression and stress. sufferedby our feline friends.