5-Amino-1MQ: What the Research Shows
5-Amino-1MQ is a small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme involved in cellular energy metabolism. Unlike the peptides discussed elsewhere on this page, 5-Amino-1MQ is a synthetic quinolinium compound — its research profile centers on a specific metabolic enzyme rather than a hormone-receptor pathway.
Mechanism and Metabolic Effects
The foundational study, published in Biochemical Pharmacology, screened a series of quinolinium compounds for selective NNMT inhibition and identified 5-Amino-1MQ as the lead candidate — selective for NNMT over related enzymes, cell-membrane permeable, and effective in adipocyte cell cultures. In diet-induced obese mice, researchers administered 5-Amino-1MQ subcutaneously over an 11-day period and found it produced progressive weight loss compared to controls, along with reduced white adipose tissue mass, decreased adipocyte size, and lowered plasma cholesterol — notably, without any observed change in food intake (Neelakantan et al., Selective and membrane-permeable small molecule inhibitors of nicotinamide N-methyltransferase reverse high fat diet-induced obesity in mice, Biochemical Pharmacology, 2018).
Extended Dosing and Metabolic Markers
A more recent study extended treatment duration to 28 days of once-daily dosing in diet-induced obese mice, evaluating body composition, metabolic parameters, and fatty liver measures alongside the compound’s pharmacokinetic profile. This longer-duration work builds on the original findings by characterizing how 5-Amino-1MQ behaves with sustained, rather than short-term, administration (Nicotinamide N-methyltransferase Inhibition Mitigates Obesity-Related Metabolic Dysfunctions, 2024).
Proposed Mechanisms
Research points to a specific enzymatic pathway distinct from the hormone-receptor mechanisms seen elsewhere in this catalog:
- NNMT inhibition — blocking this enzyme reduces the breakdown of nicotinamide, preserving two key metabolic cofactors: NAD+ and SAM (S-adenosylmethionine)
- Suppressed lipogenesis — in adipocyte studies, restored NAD+ and SAM availability was associated with reduced fat storage in fat cells
- Weight loss independent of food intake — a notable and consistent finding across studies, suggesting the effect operates through increased energy expenditure rather than appetite suppression
Current State of the Evidence
This research area is worth approaching with real caution about how early-stage it is: every study on 5-Amino-1MQ’s metabolic effects has been conducted in mice. There is no published human pharmacokinetic data, no human dose-finding study, and no placebo-controlled human trial of any kind for this compound.
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View 5-Amino-1MQThis overview reflects published preclinical research. Products offered by Core Molecular Solutions are intended for laboratory research purposes only and are not for human or veterinary use.