P—26 • Small-molecule NNMT profile

5-Amino-1MQ(Also known as 5-amino-1-methylquinolinium)

An educational overview of a small-molecule NNMT inhibitor being explored across cellular energy balance, fat-cell biology, glucose regulation, and liver metabolism.

Name

5-Amino-1MQ

5-amino-1-methylquinolinium; often abbreviated 5A1MQ

Scientific classification
Membrane-permeable methylquinolinium small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT)
Library family
Metabolic
Regulatory status
Not FDA approved; no established human use
5-Amino-1MQ research illustration

Compound overview

A compact small molecule helping researchers explore NNMT as a metabolic control point.

5-Amino-1MQ is a synthetic small molecule—not a peptide—designed to inhibit nicotinamide N-methyltransferase, commonly called NNMT. This enzyme helps determine how cells use nicotinamide and methyl donors, connecting it to several pathways involved in cellular energy and metabolic balance.

Foundational laboratory work showed that 5-Amino-1MQ can enter cells and reduce NNMT activity. In fat-cell and mouse studies, researchers then observed encouraging changes in body composition and metabolic measurements, making the compound a useful tool for investigating how NNMT influences energy storage and use.

The research has continued to broaden. A 2024 mouse study examined glucose handling, insulin sensitivity, liver fat, inflammation, pharmacokinetics, and distribution into metabolically active tissues. The results strengthened interest in NNMT inhibition as a research strategy for studying obesity-related metabolic dysfunction and liver biology.

The next important step is translation. Controlled human trials have not established safety, effectiveness, dosing, or long-term outcomes, so the current evidence should be understood as promising preclinical research rather than proof of a human benefit.

Latest evidence

Broader metabolic models

Recent mouse research expanded beyond body composition to examine glucose control, insulin response, liver fat, inflammation, and tissue distribution.

Expanding focus

Liver and fat-cell biology

Researchers are using NNMT inhibition to explore how fat cells and the liver respond to metabolic stress and changes in cellular fuel handling.

Looking ahead

The human-research gap

Carefully controlled human studies are still needed to determine safety, pharmacology, and whether laboratory findings translate to people.

Mechanism under study

NNMT inhibition and cellular methyl-donor metabolism

Research examines how NNMT inhibition changes nicotinamide methylation and related metabolic pools in cells and animal models.

NNMT

Enzyme inhibition

5-Amino-1MQ inhibits NNMT, reducing conversion of nicotinamide to 1-methylnicotinamide in experimental systems.

NAD+

Nicotinamide metabolism

Preclinical work measures changes in NAD+ biology following NNMT inhibition.

SAM

Methyl-donor balance

Studies also examine S-adenosylmethionine and connected metabolic pathways in adipose and liver models.

Cellular and mouse-model findings cannot establish human benefit, safety, dose, or long-term effects.

Current research areas

Questions under investigation

  • How NNMT affects cellular energy balance
  • How fat cells store and use energy
  • How the liver responds to metabolic stress
  • NAD+ and methyl-donor balance
  • Safety and whether animal findings translate to people
Educational notice

Education, not usage guidance.

This profile is provided for scientific education only. It is not medical advice, weight-loss guidance, dosing information, or instructions for 5-Amino-1MQ use. 5-Amino-1MQ is a laboratory research compound, not an approved medicine, and controlled human safety and efficacy have not been established.

Key scientific referencesComing soon

A curated primary-source reference list will be added during the next educational expansion.