Is It Safe to Take L-Theanine with L-Tryptophan?
The combination of L-theanine and L-tryptophan is potentially dangerous as both these substances act as anti-depressant agents and promote serotonin production in the brain. Any aggressive dietary program should start only after you consult with a qualified healthcare provider because many dietary supplements, including L-Tryptophan, may have adverse effects such as the following: • If you have carcinoid tumors, you shouldn’t use L-tryptophan; • In the course of consumption of monoamine oxidase inhibitors (MAOIs) and within 2 weeks after you stopped the course, it is not recommended to take L-tryptophan; • If you use any other anti-depressant medications, including serotonin reuptake inhibitors, tricyclic anti-depressants, do not use L-tryptophan; • If you have ischemic heart disease, coronary artery spasms, uncontrolled hypertension or any other significant cardiovascular disease, you should consume L-tryptophan with great care or do not use it at all; • L-tryptophan can trigger exces