Last reviewed · How we verify

5-Hydroxytryptophan — Competitive Intelligence Brief

5-Hydroxytryptophan (5-Hydroxytryptophan) competitive landscape: 0 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Serotonin precursor / amino acid supplement. Area: Psychiatry / Neurology / Sleep Medicine.

marketed Serotonin precursor / amino acid supplement Aromatic amino acid decarboxylase (enzyme substrate); indirect serotonin system modulation Psychiatry / Neurology / Sleep Medicine Small molecule Live · refreshed every 30 min

Target snapshot

5-Hydroxytryptophan (5-Hydroxytryptophan) — Elizabeth Berry-Kravis. 5-Hydroxytryptophan (5-HTP) is a precursor to serotonin that increases central nervous system serotonin levels by crossing the blood-brain barrier and being converted to serotonin via aromatic amino acid decarboxylase.

Comparator set

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
5-Hydroxytryptophan TARGET 5-Hydroxytryptophan Elizabeth Berry-Kravis marketed Serotonin precursor / amino acid supplement Aromatic amino acid decarboxylase (enzyme substrate); indirect serotonin system modulation

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Serotonin precursor / amino acid supplement class)

  1. Clinical Academic Center (2CA-Braga) · 1 drug in this class
  2. Elizabeth Berry-Kravis · 1 drug in this class

Subscribe to ongoing alerts

Push every new event for this competitive set into your RSS reader, IFTTT/Zapier workflow, or email digest:

Cite this brief

Drug Landscape (2026). 5-Hydroxytryptophan — Competitive Intelligence Brief. https://druglandscape.com/ci/5-hydroxytryptophan. Accessed 2026-05-13.

Build your own brief

Pick any drug + add comparators: