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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.

73-22-3 L-Tryptophan
73-22-3

Lastest Price from L-Tryptophan manufacturers

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