Tryptophan deficiencies have been implicated as a cause for increased anxiety and aggression in dogs. Supplementing diet with L-Tryptophan is a natural way of reducing those feelings of anxiety, improving your dog's behavior.
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Function
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Tryptophan is a neutral amino acid that exists naturally in your dog's body and is essential in small amounts for a healthy diet. It aids in healthy digestion and serves as the precursor to serotonin, a neurotransmitter associated with healthy, calm emotions and self-control.
History
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L-Tryptophan was banned as a dietary additive for humans in 1989 after a contaminated batch from Japan caused illness. However, it is still available with other supplements for pet use.
Effects
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Studies show that dogs with tryptophan deficiencies are more likely to show aggression, depression and moodiness. Thus, dogs that show signs of aggression or anxiety are often treated with L-Tryptophan, which reduces aggression and increases calm behavior.
Benefits
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Many medications for anxious dogs cause liver and kidney damage when long-term use is necessary. Since L-Tryptophan is a natural amino acid, it can improve your dog's behavior without concern of organ damage.
Warning
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L-Tryptophan should not be administered without veterinary approval because it can react with some medications and cause side effects such as vomiting and diarrhea.
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