In this Article
- What other names is L-tryptophan known by?
- What is L-tryptophan?
- How does L-tryptophan work?
- Are there safety concerns?
- Are there any interactions with medications?
- Dosing considerations for L-tryptophan.
There are concerns that L-tryptophan or impurities in L-tryptophan might cause swelling (inflammation) of the joints, skin, lungs, heart, and liver and other side effects, including death.
Do not take L-tryptophan if:
- You are pregnant or breast-feeding.
- You have a kidney disorder.
- You have a liver disorder.
- You have a white blood cell disorder called eosinophilia.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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