5-Amino-1MQ

What is 5-Amino-1MQ?

5-Amino-1MQ, short for 5-amino-1-methylquinolinium, is a small synthetic molecule that blocks an enzyme called nicotinamide N-methyltransferase, or NNMT. It is often sold alongside peptides and discussed as one, but it is not a peptide. It is a compact ring-shaped compound with a molecular weight of about 159, far smaller than any peptide on this site.

The compound came out of academic obesity research in the United States in the late 2010s, where it was developed as a tool to test whether blocking NNMT in fat tissue could change how fat cells store and burn energy. Some of the researchers behind that work went on to form a company to develop NNMT inhibitors, a link disclosed in their later papers.²

Online, 5-Amino-1MQ is marketed in capsule form for fat loss, metabolic health and, more loosely, for "NAD+ support". None of those uses has been tested in people. It has no approved medical use anywhere.

How 5-Amino-1MQ works

Fat cells contain an enzyme, NNMT, that uses up two things the cell also needs for energy metabolism: a form of vitamin B3 called nicotinamide, and a methyl-donor molecule called SAM. When NNMT is very active, as it tends to be in the fat tissue of obese animals, those resources are diverted away from energy production. The idea behind 5-Amino-1MQ is simple. Block the enzyme, and fat cells keep more of their vitamin B3 pool, make more NAD+, and may burn more energy instead of storing it.

In more precise terms, 5-Amino-1MQ is a quinolinium analog that occupies the nicotinamide binding site of NNMT and inhibits methylation of nicotinamide to 1-methylnicotinamide. In rodent adipocytes this raises intracellular nicotinamide and NAD+, preserves SAM, and has been linked to smaller adipocytes and higher energy expenditure. NNMT is also expressed in tumor tissue and in the cells that surround tumors, so the same compound has been used as a research tool in cancer biology.¹

What the research shows on 5-Amino-1MQ

There are no published human trials of 5-Amino-1MQ. Every result below comes from mice or cell cultures, and most of it comes from a small number of research groups.

The strongest metabolic data come from diet-induced obese mice. In one study, mice switched from a high-fat diet to a low-fat diet and given the NNMT inhibitor lost body weight and fat faster than mice that changed diet alone, reaching the measures of lean control animals. The same study found a distinct gut microbiome pattern in the treated mice. Several authors were founders or employees of a company developing NNMT inhibitors, which should be weighed when reading the findings.²

Note what that design does and does not show. The weight loss happened alongside a diet change. It does not show that the drug works without one, and mouse weight loss rarely translates one-to-one into human results.

The other published work is in cancer. In a bladder cancer study, high NNMT in the support cells around tumors was linked to poor outcomes and to resistance to immunotherapy, and the inhibitor reduced tumor growth in mouse models.¹ A separate lab study found that the compound slowed the growth of cervical cancer cells in a dish without obviously affecting a non-cancer cell line.³ These are early laboratory findings. They say nothing about whether the compound is safe or useful for weight loss in people.

Studied for: Adipocyte metabolism research, NAD+ pathway research.

5-Amino-1MQ reference data

5-Amino-1MQ dosage in published research

How 5-Amino-1MQ is used in practice

In practice, 5-Amino-1MQ is bought online as a "research chemical" capsule or powder, and some wellness and anti-aging clinics have offered it as part of weight-loss programs. It is taken by mouth. Dosing used by consumers is borrowed from forum posts and vendor labels, not from any human study, because none exists.

Product quality is a real problem. Research-chemical vendors are not held to pharmaceutical manufacturing standards, and there is no reference standard a buyer can check against. Purity, identity and dose per capsule are taken on trust. Because the molecule is sold under the peptide banner, buyers sometimes assume it needs the same handling as injectable peptides, which adds to the confusion.

Claims made in marketing, such as specific amounts of fat lost per month or boosts in muscle, are not drawn from any published study. When a seller cites research, it is almost always the mouse work described above. Anyone considering it is, in effect, running an uncontrolled experiment on themselves with an unverified product.

5-Amino-1MQ risks and side effects

Nobody knows the side-effect profile of 5-Amino-1MQ in humans. Users commonly report insomnia, nausea and headache, but those reports are anecdotal and cannot separate the drug from impurities, other supplements or expectation.

There are theoretical concerns worth stating. NNMT helps clear excess nicotinamide and takes part in methyl-group balance, so blocking it over months could have effects on liver and methylation pathways that no one has studied in people. Long-term toxicity, effects on fertility and pregnancy, and interactions with other drugs are uncharacterized. People who are pregnant or breastfeeding, have liver disease or take multiple medications have no data to go on.

The cancer research cuts both ways. NNMT is active in some tumors, and inhibiting it slowed tumor growth in mice.¹ That is not evidence of a protective effect in people, and it is not a reason to take the compound.

Reported side effects

Alternatives to 5-Amino-1MQ

For weight loss with real human evidence, the FDA-approved options are GLP-1 based medicines such as semaglutide (Wegovy) and tirzepatide (Zepbound), along with liraglutide (Saxenda), phentermine-topiramate (Qsymia), naltrexone-bupropion (Contrave) and orlistat. Bariatric surgery remains the most effective option for severe obesity. Each has known benefits, known side effects and prescribing rules.

For people interested in NAD+ metabolism, oral NAD+ precursors such as nicotinamide riboside have been tested in small human trials, though their effects on body weight have been modest at best. Diet change, regular exercise and adequate sleep remain the base of any fat-loss plan.

Questions for a clinician

• What evidence applies to my situation, and at what level?
• What established alternatives should I consider first?
• What monitoring would be necessary, and how often?
• Can this be prescribed at all where I live, or only sold for research?