
BAM15
Weight LossPreclinicalAlso known as: BAM-15
BAM15 is a small-molecule mitochondrial protonophore uncoupler that was first described in 2014 as a tool compound for dissipating proton motive force selectively across the inner mitochondrial membrane without collapsing the plasma membrane electrochemical gradient ([Kenwood et al., 2014]). The full chemical name is (2-fluorophenyl)-(6-(2-fluorophenyl)amino)amine, molecular weight 338.3 g/mol, and the molecule was identified through a high-throughput screen designed to find uncouplers that behave differently from the classical reference compound 2,4-dinitrophenol (DNP).
Overview
At A Glance
BAM15 functions as a mitochondrial protonophore, meaning it carries protons (H+) across the inner mitochondrial membrane in a way that dissipates the proton gradient that mitochondria normally use to drive ATP synthesis. Under normal conditions, the electron transport chain pumps…
Overview
BAM15 is a small-molecule mitochondrial protonophore uncoupler that was first described in 2014 as a tool compound for dissipating proton motive force selectively across the inner mitochondrial membrane without collapsing the plasma membrane electrochemical gradient ([Kenwood et al., 2014]). The full chemical name is (2-fluorophenyl)-(6-(2-fluorophenyl)amino)amine, molecular weight 338.3 g/mol, and the molecule was identified through a high-throughput screen designed to find uncouplers that behave differently from the classical reference compound 2,4-dinitrophenol (DNP). DNP raises metabolic rate and causes rapid fat loss in animals and humans but has a catastrophically narrow therapeutic window, with hyperthermia, cataracts, peripheral neuropathy, and fatal overdoses well documented in the 1930s weight-loss literature and in modern case series of bodybuilders and diet pill users who source DNP as a research chemical ([Grundlingh et al., 2011]). BAM15 was explicitly designed to improve on DNP by restricting uncoupling activity to mitochondria and not the plasma membrane, theoretically producing the metabolic benefit — increased substrate oxidation, reduced reactive oxygen species, improved insulin sensitivity — without the cardiovascular and thermoregulatory toxicity that makes DNP untenable as a drug. If you are on this page because you heard BAM15 called "a safe DNP" on a forum or podcast, you should finish this entry before you do anything else. BAM15 is a research chemical. There are zero published clinical trials in humans as of April 2026, zero FDA-approved indications, zero pharmacokinetic or toxicology studies in people, and zero manufacturers producing it under pharmaceutical-grade quality standards for human use. Every dose anyone has ever taken has come from a research-chemical vendor with no regulatory oversight. The preclinical animal data are genuinely exciting — BAM15 reverses diet-induced obesity in mice at doses that appear well tolerated, improves hepatic steatosis in rodent NASH models, lowers blood glucose, improves insulin sensitivity, and reduces ROS generation without the hyperthermia and death that DNP produces at comparable efficacy doses. But "better than DNP in mice" is an extremely low bar, and the gap between "promising in rodents" and "safe in humans at a predictable dose" is exactly where hundreds of drug candidates have died over the last two decades. This entry is a complete summary of what BAM15 actually does mechanistically, what the preclinical evidence shows, what it does not show, why there are no human trials despite a decade of academic interest, and what the realistic landscape looks like for anyone considering experimenting with it. We will talk about the pharmacology in enough detail that you can have an informed conversation with a physician about why you should probably not be using this compound, and we will also be honest that a subset of people will use it anyway, in which case the harm-reduction information below — dose ranges reported in self-experimenters, signs of mitochondrial toxicity, interactions with other metabolic agents, and the reasons no one has been able to bring this drug to a Phase 1 trial despite its theoretical advantages — becomes the most important part of the page. Uncoupler chemistry is one of the few mechanisms in metabolism that cannot be meaningfully replicated by training, diet, or lifestyle intervention. Exercise, cold exposure, fasting, and caloric restriction all activate mitochondrial biogenesis and uncoupling protein expression (UCP1, UCP2, UCP3), which is the body's own physiological version of uncoupling. Those interventions should be fully optimized before anyone looks at a chemical protonophore, because physiological uncoupling through brown adipose tissue activation, exercise-induced mitochondrial adaptation, and UCP upregulation delivers a substantial fraction of the metabolic benefit with none of the drug-risk profile. BAM15 exists in the conversation because people want a pill version of cold exposure and cardio. That desire is legitimate, but the pill does not yet exist in a form any reasonable clinician would recommend.
Chemical Information
IUPAC Name
N-(2-nitro-4-(trifluoromethyl)phenyl)-[4-(2-hydroxy-3,3-dimethylbutoxy)phenyl]methanamine
CAS Number
203203-79-6
Molecular Formula
C17H19N3O4
Molecular Mass
357.35 g/mol
Dosing & Protocols
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Interactions
Interaction Matrix
Contraindications
The list of absolute contraindications to BAM15 is long precisely because the compound is uncharacterized in humans, and in the absence of data most physiologic conditions that could plausibly interact badly with mitochondrial uncoupling are presumed contraindications. Anyone with known or suspected heart disease should not use BAM15 — protonophore-induced increases in heart rate and cardiac metabolic demand are theoretically dangerous in the setting of coronary artery disease, heart failure, arrhythmias, cardiomyopathy, or structural heart disease. This includes patients with a history of myocardial infarction, stent placement, coronary artery bypass grafting, congenital heart disease, or implanted cardiac devices (pacemaker, ICD). Anyone with hyperthyroidism or untreated thyroid nodules should not use BAM15 because the metabolic profile overlaps with thyroid excess and the combination amplifies cardiovascular and thermoregulatory risk. Patients on thyroid hormone replacement (levothyroxine, liothyronine) are a related contraindication because the dose of thyroid hormone is titrated to a specific metabolic setpoint and adding an uncoupler disturbs that setpoint in ways that are hard to anticipate. Anyone with hepatic impairment — active hepatitis, cirrhosis, significant fatty liver with elevated enzymes, or prior drug-induced liver injury — should avoid BAM15 because hepatic metabolism of the compound is uncharacterized and liver stress from mitochondrial dysfunction is theoretically additive to pre-existing liver pathology. Anyone with renal impairment should avoid BAM15 because uncoupler-induced increases in metabolic rate and fluid losses can precipitate renal dysfunction, and drug elimination pathways are not characterized. Pregnancy and breastfeeding are absolute contraindications — no reproductive toxicology data exist in humans, and the rodent data for DNP suggest uncouplers in general are teratogenic and should not be used during gestation. Anyone trying to conceive, male or female, should avoid BAM15 because reproductive effects are unknown and the cost of caution is low. Children and adolescents should not use BAM15 under any circumstances; the compound has not been studied in developmental age groups and the metabolic effects are not appropriate for anyone whose growth and maturation is ongoing. Anyone with a history of heat-related illness — heat stroke, heat exhaustion, malignant hyperthermia, neuroleptic malignant syndrome, serotonin syndrome — should absolutely avoid uncouplers because baseline thermoregulatory vulnerability is amplified by the mechanism. Anyone with seizure disorders should avoid BAM15 because thermogenesis, electrolyte shifts, and cellular energy stress are seizure triggers in susceptible individuals. Anyone with a history of rhabdomyolysis, statin-induced myopathy, or mitochondrial myopathy should avoid BAM15 because muscle tissue is particularly vulnerable to uncoupler-induced ATP stress. Anyone with eating disorders — anorexia nervosa, bulimia nervosa, binge eating disorder, body dysmorphia — should not use any compound that increases metabolic rate, because the underlying disorder is likely to drive inappropriate use and the compound will compound medical complications. Relative contraindications that warrant physician involvement if dosing is being considered at all include: type 1 diabetes (glucose management becomes more difficult with altered substrate utilization); type 2 diabetes on insulin (hypoglycemia risk); adrenal insufficiency; inflammatory bowel disease; autoimmune disease requiring immunomodulatory therapy; significant mental health conditions where medications might interact; and concurrent use of any metabolic pharmacology including GLP-1 agonists, SGLT2 inhibitors, metformin at doses above 1500 mg/day, bupropion, phentermine, topiramate, or naltrexone. Medications that interact pharmacokinetically with BAM15 are largely uncharacterized because no drug-drug interaction studies exist. Theoretical interactions include: anything that shares hepatic metabolism pathways (CYP3A4 substrates most likely); anything that increases sympathetic tone (amphetamines, caffeine at high intake, nicotine, decongestants); anything that increases core temperature (MAO inhibitors, SSRIs with serotonin syndrome potential, anticholinergics that impair sweating, antipsychotics); and anything that impairs renal or hepatic clearance. The correct framing is that BAM15 has been studied in rodents and not in humans, and any patient on any prescription medication should assume interactions are possible and discuss the situation with a physician — preferably one with expertise in clinical pharmacology rather than one being asked to rubber-stamp a decision already made. The final contraindication, which is the most important one, is the lack of a clinically overseen dosing and monitoring environment. If you do not have a physician who knows you are taking BAM15, who has access to your complete medical history, who can order appropriate labs and adjust or stop dosing based on findings, and who can evaluate you urgently if adverse effects develop, then you do not have the minimum supportive infrastructure for safe self-experimentation with this compound. That is not a contraindication because of any specific medical condition; it is a contraindication because uncoupler toxicity is not safely managed by an untrained person working alone, and the first adverse event is a worse time to build clinical infrastructure than the day before dosing began.
Research Disclaimer
This interaction data is compiled from published research and community reports. It may not be exhaustive. Always consult a healthcare professional before combining compounds.
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Related Compounds
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Protocols, calculator & safety for BAM15
Research Score
58 PubMed studies
Quality Indicators
Data Completeness
88%Research Credibility
Well-researched compound
Quick Facts
Molecular Weight
357.35 g/mol
CAS Number
203203-79-6
Trial Phase
Preclinical
Research Disclaimer
This information is for educational and research purposes only. Not intended as medical advice. Consult a healthcare professional before use.
Frequently Asked Questions
Is BAM15 safer than DNP?
Rodent studies show BAM15 produces weight loss at doses that do not cause the hyperthermia and mortality seen with equivalent DNP dosing, which is the basis for calling it safer (Kenwood et al., 2014; Alexopoulos et al., 2020). But 'safer in mice' is not the same as 'safe in humans.' There are zero human trials of BAM15, so the safety margin in people is unknown. DNP has a well-documented human toxicity record including fatal hyperthermia, and the assumption that BAM15 will be meaningfully safer in humans at weight-loss-relevant doses is based on extrapolation, not evidence.
Has BAM15 been tested in any human clinical trials?
No. As of April 2026, there are zero published clinical trials of BAM15 in humans and no registered trials on ClinicalTrials.gov. All human use has been self-experimentation with research-chemical supply. Several biotech companies have licensed the chemistry for potential development, but no IND (Investigational New Drug) application has progressed to a published Phase 1 trial.
How much weight loss does BAM15 produce in animal studies?
In diet-induced obese mice, BAM15 produced 10-20% body weight reduction over 4-6 weeks at efficacious doses without mortality or hyperthermia at the tested dose range (Alexopoulos et al., 2020). Rat NASH studies showed similar effects with improvement in hepatic steatosis and fibrosis (Axelrod et al., 2022). Translation to human weight loss magnitude is speculative — rodent weight loss responses to metabolic interventions often exceed human responses at dose-scaled exposures.
What dose of BAM15 do people use in practice?
Self-report communities describe doses ranging from 5 mg to 60 mg orally daily, with no scientific basis for any specific number. There is no validated dose range in humans. Any dose on a vendor label is a vendor's guess, not a clinical recommendation. Research-chemical supply does not guarantee dose accuracy, so actual delivered dose differs from labeled dose by unknown margins.
Is BAM15 legal to purchase?
BAM15 is not a scheduled controlled substance in most jurisdictions and is sold by research-chemical vendors as a 'not for human consumption' research reagent. Regulatory status is likely to change if clinical development progresses. Importing research chemicals across borders carries customs risks. Consumer purchase of research chemicals for self-experimentation operates in a gray legal zone that varies by country and region.
Can BAM15 be stacked with GLP-1 agonists like Semaglutide or Tirzepatide?
This is not recommended. Semaglutide and Tirzepatide reduce caloric intake and improve metabolic health through well-characterized mechanisms with FDA approval and Phase 3 safety data. Adding an unvalidated research-chemical uncoupler to GLP-1 therapy adds risk (hypoglycemia, cardiovascular strain, masked toxicity signals) without adding established benefit. If the GLP-1 is working, leave the stack alone; if it is not, discuss next steps with your prescriber.
What are the symptoms of BAM15 toxicity I should watch for?
The uncoupler toxicity signature includes persistent elevated body temperature (oral temp above 99.5F at rest), uncontrolled sweating, elevated resting heart rate (more than 15 bpm above personal baseline), fatigue and exercise intolerance, confusion, agitation, muscle pain (possible rhabdomyolysis), dark urine, jaundice, and abnormal bleeding or bruising. Any of these warrant immediate cessation and medical evaluation. Severe toxicity is a life-threatening emergency requiring ED evaluation with disclosure of what you took.
Does BAM15 preserve muscle mass better than caloric restriction alone?
There is no clinical evidence for this claim. Rodent studies suggest BAM15 shifts substrate utilization toward fatty acid oxidation, which might theoretically spare protein. In practice, many self-experimenters report reduced exercise capacity during BAM15 use, which leads to reduced training volume and therefore reduced stimulus for muscle preservation — the net effect on body composition relative to lean mass is unclear and likely unfavorable compared to properly structured caloric deficit with resistance training.
How is BAM15 metabolized and eliminated?
Human pharmacokinetics are not published. Rodent studies suggest hepatic metabolism with moderate plasma half-life in the 4-8 hour range, though species differences make direct extrapolation unreliable. The specific enzymes involved and potential drug-drug interactions are uncharacterized. Renal versus biliary elimination is not established. This gap in the pharmacology is one reason physicians cannot counsel patients confidently about BAM15 use alongside other medications.
What is the bottom line on whether I should use BAM15?
No one who is giving you responsible advice will tell you to use BAM15. The compound is interesting scientifically and preclinical data are promising, but no human trials have been conducted, no manufacturing quality standards apply to research-chemical supply, and the failure mode of uncoupler toxicity includes rapid progression to fatal hyperthermia. If your goal is weight loss or metabolic health, FDA-approved options (GLP-1 agonists, metformin, bariatric surgery) have Phase 3 data, and lifestyle interventions (training, nutrition, sleep) are the foundation. BAM15 belongs in clinical trials, not in your medicine cabinet.
Research Tools
Related Compounds
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L-Carnitine
Weight LossPreclinicalL-Carnitine is a naturally occurring quaternary ammonium compound synthesized in the body from the amino acids lysine and methionine, with essential cofactor roles in fatty acid metabolism, energy production, and cellular health.
Lipo-C
Weight LossPreclinicalLipotropic compound blend injection.
Mazdutide
Weight LossPreclinicalMazdutide (also known as IBI362, Lilly compound LY3305677) is a dual glucagon-like peptide-1 (GLP-1) and glucagon receptor agonist originally discovered by Eli Lilly and exclusively licensed to Innovent Biologics in 2019 for development and commercialization in Mainland China, Hong Kong, Macau, and Taiwan.
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