Written by the Core Power Peptides Research Team — biochemists and laboratory specialists compiling and verifying peptide research data. Learn about our quality standards →
Most approaches to raising NAD+ add more precursor to the system. 5-Amino-1MQ works from the opposite direction — inhibiting NNMT, the enzyme that consumes nicotinamide and methyl donors, and preserving both pools simultaneously. That dual action is what distinguishes it from the precursor-supplementation strategies that dominate NAD+ research.
5-Amino-1MQ and the NNMT Pathway
5-Amino-1MQ (5-amino-1-methylquinolinium) is a cell-permeable, small molecule inhibitor of nicotinamide N-methyltransferase (NNMT) — an enzyme that catalyzes the transfer of a methyl group from SAM (S-adenosylmethionine) to nicotinamide, producing 1-methylnicotinamide and S-adenosylhomocysteine (SAH). By blocking NNMT, 5-Amino-1MQ preserves both NAD+ and the methyl donor pool (SAM), simultaneously addressing two critical aspects of metabolic and epigenetic regulation that decline with aging and obesity.
NNMT was identified as a potential target for metabolic disease when researchers observed it is significantly upregulated in obese adipose tissue, contributing to a “metabolic epigenome” that perpetuates adiposity. The development of selective NNMT inhibitors like 5-Amino-1MQ has opened a new avenue for research into reversing obesity-related metabolic dysfunction through epigenetic mechanisms.
Mechanism of Action
- NNMT Inhibition: Competitively inhibits the NNMT enzyme, blocking nicotinamide methylation at its active site
- NAD+ Preservation: Reduces conversion of nicotinamide to 1-methylnicotinamide, routing more nicotinamide toward NAD+ biosynthesis via NAMPT
- SAM Preservation: Reduces SAM consumption, increasing methyl donor availability for epigenetic methylation reactions (DNA methylation, histone methylation)
- Adipocyte Metabolism: NNMT inhibition in adipocytes increases mitochondrial activity, fatty acid oxidation, and thermogenesis
- UCP1 Upregulation: Promotes thermogenic gene expression in white adipose tissue, effectively inducing “browning” of white fat
- Sirtuin Activation: Increased NAD+ availability enhances SIRT1 and SIRT3 activity, the downstream mediators of many anti-aging effects
Key Research Data
Obesity and Metabolic Research
- Hong et al. (Nature Chemical Biology, 2015): Identified NNMT as a critical regulator of adipose tissue metabolism; NNMT knockdown reduced obesity and improved insulin sensitivity in diet-induced obese mice
- Caton et al. (Diabetologia, 2011): NNMT overexpression impairs insulin signaling in hepatocytes — establishing NNMT as a target in type 2 diabetes research
- 5-Amino-1MQ specifically shown to reduce adipocyte size and increase mitochondrial density in in vitro differentiation models
- Rodent studies: 5-Amino-1MQ treatment reduced body weight gain on high-fat diet and improved glucose tolerance vs. vehicle controls
NAD+ and Aging Research
- NNMT activity increases with age, contributing to age-related NAD+ decline independently of precursor availability
- 5-Amino-1MQ provides a complementary approach to NAD+ precursor supplementation by reducing NAD+ consumption
- Combined NNMT inhibition + NMN supplementation shows synergistic NAD+ restoration in aged tissue models
Cancer Metabolism Research
- NNMT is overexpressed in multiple cancer types (pancreatic, colorectal, ovarian) and correlates with poor prognosis
- NNMT inhibition reduces cancer cell migration and invasiveness in vitro, positioning 5-Amino-1MQ as a tool for oncological metabolic research
5-Amino-1MQ vs. NAD+ Precursors — Mechanistic Comparison
| Approach |
Mechanism |
Effect on NAD+ |
SAM Effect |
| 5-Amino-1MQ (NNMT inhibitor) |
Blocks NAD+ consumption |
Increases via reduced catabolism |
Preserves (dual benefit) |
| NMN (NAD+ precursor) |
Increases NAD+ biosynthesis |
Increases via salvage pathway |
No effect |
| NR (NAD+ precursor) |
Increases NAD+ biosynthesis |
Increases via salvage pathway |
No effect |
| CD38 inhibitor |
Blocks NAD+ degradation |
Increases via reduced glycohydrolysis |
No effect |
HPLC Verified
5-Amino-1MQ 5mg
Purity: 99%+ HPLC
Format: Lyophilized Powder
Testing: Third-Party COA
$160
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Frequently Asked Questions
How does NNMT inhibition compare to taking an NAD+ precursor?
They address opposite ends of the same pathway. Precursors such as NMN and NR increase biosynthesis through the salvage pathway; NNMT inhibition reduces consumption. Because the mechanisms do not overlap, combined NNMT inhibition plus NMN supplementation has shown synergistic NAD+ restoration in aged tissue models. For the precursor side of that comparison, see the NAD+ research guide.
Why does preserving SAM matter?
NNMT consumes S-adenosylmethionine as its methyl donor. Inhibiting the enzyme leaves more SAM available for epigenetic methylation reactions — DNA and histone methylation — which is why 5-Amino-1MQ is studied in epigenetic contexts rather than purely metabolic ones.
Is 5-Amino-1MQ a peptide?
No. It is a cell-permeable small molecule (5-amino-1-methylquinolinium), not a peptide, despite appearing alongside research peptides in the same catalogs.
Summarized for scientific reference. 5-Amino-1MQ from Core Power Peptides is supplied for in vitro and laboratory research only — not for human consumption, and not medical guidance.
