Who are Nutrestore's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Sinemet Cr, Inbrija, 5-Hydroxytryptophan, L-acetyl carnitine, Acetyl-L-Carnitine, L-Arginine.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-13 · How we verify

Nutrestore — Competitive Intelligence Brief

Nutrestore (GLUTAMINE) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Amino Acid [EPC]. Area: Hematology.

marketed Amino Acid [EPC] Hematology Small molecule Live · refreshed every 30 min

Target snapshot

Nutrestore (GLUTAMINE) — Emmaus Medcl.

Comparator set (6 drugs)

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

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
Nutrestore TARGET	GLUTAMINE	Emmaus Medcl	marketed	Amino Acid [EPC]		2004-01-01
Sinemet Cr	CARBIDOPA	Aton	marketed	Aromatic Amino Acid [EPC]	Lysine-specific demethylase 4E	1975-01-01
Inbrija	LEVODOPA	Merz	marketed	Aromatic Amino Acid [EPC]	Tyrosine-protein kinase Fyn	1970-01-01
5-Hydroxytryptophan	5-Hydroxytryptophan	Elizabeth Berry-Kravis	marketed	Serotonin precursor / amino acid supplement	Aromatic amino acid decarboxylase (enzyme substrate); indirect serotonin system modulation
L-acetyl carnitine	L-acetyl carnitine	University of Campania Luigi Vanvitelli	marketed	Amino acid derivative / Metabolic agent	Carnitine palmitoyltransferase (CPT) system
Acetyl-L-Carnitine	Acetyl-L-Carnitine	Dong-A ST Co., Ltd.	marketed	Amino acid derivative / Metabolic agent	Carnitine palmitoyltransferase (CPT) system
L-Arginine	L-Arginine	The University of Texas at Arlington	marketed	Amino acid supplement	Nitric oxide synthase substrate

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)

2029-02-03 — Inbrija · RE43711 · Method of Use · US
2032-11-16 — Inbrija · 8685442 · Formulation · US
2032-11-16 — Inbrija · 8945612 · Formulation · US
2032-11-16 — Inbrija · 8545878 · Formulation · US
2032-11-16 — Inbrija · 9393210 · Formulation · US
2033-10-21 — Inbrija · 12458615 · Method of Use · US

Sponsor landscape (Amino Acid [EPC] class)

· 6 drugs in this class
Emmaus Medcl · 1 drug in this class

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Cite this brief

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

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