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What are the uses of L-Tryptophan in the pharmaceutical industry?
Apr 21,2026
L-tryptophan is an essential amino acid that helps the body make proteins and certain brain-signaling chemicals. Your body changes it into a brain chemical called serotonin. Serotonin helps control your mood and sleep. L-tryptophan is used along with other medications to treat mental depression. Also, L-tryptophan is used along with lithium to treat bipolar disorder. Some common sources of tryptophan are oats, bananas, dried prunes, milk, tuna fish, cheese, bread, chicken, turkey, peanuts, and chocolate.
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Lastest Price from L-Tryptophan manufacturers
L-Tryptophan

US $0.00-0.00/kg2026-02-05
- CAS:
- 73-22-3
- Min. Order:
- 1kg
- Purity:
- 98.5%-101.5%
- Supply Ability:
- 10 TONS
L-Tryptophan

US $5.00/kg2025-11-03
- CAS:
- 73-22-3
- Min. Order:
- 1kg
- Purity:
- 99%
- Supply Ability:
- 300tons


