Monoaminergics, Eugeroics

These compounds are used in research involving monoaminergic neurotransmitter signalling. This class of compounds directly or indirectly activates monoaminergic neurotransmitter receptors, often resulting in wakefulness or psychostimulatory effects via the central nervous system, and are of interest to researchers in the field of neuroscience and cell signalling.

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Adrafinil, ≥98% Adrafinil, ≥98%

Adrafinil, ≥98%

Eugeroic. Mild stimulant.

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Bromantane, ≥98% Bromantane, ≥98%
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Bromantane, ≥98%

An atypical stimulant and anxiolytic with dopaminergic mechanisms. Immunomodulator.

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CRL-40,940 (Flmodafinil), ≥98% CRL-40,940 (Flmodafinil), ≥98%
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CRL-40,940 (Flmodafinil), ≥98%

Eugeroic related to Modafinil. Weak Dopamine Reuptake Inhibitor (DRI). Psychotonic.

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CRL-40,941 (Fladrafinil) , ≥98% CRL-40,941 (Fladrafinil) , ≥98%
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CRL-40,941 (Fladrafinil) , ≥98%

Eugeroic related to Adrafinil. Weak Dopamine Reuptake Inhibitor (DRI). Psychotonic.

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Cyclazodone, ≥98% Cyclazodone, ≥98%
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Cyclazodone, ≥98%

Cyclazodone is an approximately 3x - 5x more potent N-cyclopropyl derivative of the nootropic and ps

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Morphodrol, ≥98% Morphodrol, ≥98%
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Morphodrol, ≥98%

Pipradol variant of reduced potency and shorter half life; putative catecholamine reuptake inhibit

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N-Methyl-Cyclazodone, ≥98% N-Methyl-Cyclazodone, ≥98%
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N-Methyl-Cyclazodone, ≥98%

N-Methyl-Cyclazodone is an approximately 3x - 5x more potent derivative of the nootropic and psychos

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p-F-Deprenyl, ≥98% p-F-Deprenyl, ≥98%
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p-F-Deprenyl, ≥98%

MAO-B inhibitor, neuroprotective agent, and putative NGF, BDNF, and GDNF synthesis promoter.

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PEA-P HCl, ≥98% PEA-P HCl, ≥98%
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PEA-P HCl, ≥98%

N-substituted derivative of 2-Phenylethylamine, an endogenous trace amine.

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Phenylpiracetam, ≥99% Phenylpiracetam, ≥99%
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Phenylpiracetam, ≥99%

Phenylpiracetam is a more potent derivative of the nootropic molecule piracetam, which exhibits noot

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PPAP HCl, ≥98% PPAP HCl, ≥98%
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PPAP HCl, ≥98%

PPAP is a catecholaminergic activity enhancer and mild atypical psychostimulant.

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Details of Monoaminergics, Eugeroics

Monoaminergics are a class of chemical substances that either directly or indirectly activate, modulate or enhance the activity of monoamine-based neurotransmitter systems. These systems include serotonin, dopamine, norepinephrine, and trace amine signaling systems. The monoaminergic group represents a large number of different chemical compounds with a variety of effects.1

Analeptics are a diverse class of chemical substances that exhibit various types of central nervous system stimulant effects. Many analeptics are used in research, and some analeptics also have clinical applications, including medications used to treat depression, attention deficit hyperactivity disorder (ADHD), and respiratory depression, and to reverse anesthesia. The term analeptic has in many cases been used to refer particularly to respiratory analeptics2, however on Newmind, we use the term in its broader meaning which widely encompasses all categories of CNS-stimulating compounds.

Eugeroics are a special class of chemical substances that exhibit wakefulness and alertness promoting effects through action on the central nervous system, yet which are also distinguished by exhibiting a low or very low addictive potential (unlike some other types of central nervous system stimulating compounds). Eugeroics are sometimes also considered to be potential cognitive enhancers or nootropics.

There are interrelationships between the three classes: many monoaminergic compounds are analeptic compounds, and most eugeroic compounds would also be considered analeptics. Additionally, members of all three classes have been researched as cognition enhancing or nootropic compounds.

Monoaminergics

Monoaminergics work by activating or increasing the activity of a class of neurotransmitter signaling systems in which the active endogenous neurotransmitter contains a single amine group (which are thus called the “monoamine” neurotransmitters), and in which the receptor proteins are predominantly G protein-coupled receptors.

The monoamines include a large number of neurotransmitters that contain an amino group connected to an aromatic ring by a two-carbon chain. Monoamines include:

- Histamine
- Catecholamines (epinephrine, dopamine, and norepinephrine)
- Serotonin
- Melatonin
- Phenylethylamines
- Tryptamine3

A compound that has a direct effect on the receptor systems/reuptake/production of any of the above neurotransmitters can, therefore, be classified as a monoaminergic substance.

Monoaminergics are used in neuroscience research for a number of different applications.

(below italic text copied from https://en.wikipedia.org/wiki/Monoaminergic - please reword)

Monoaminergic means "working on monoamine neurotransmitters", which include serotonin, dopamine, and norepinephrine (and epinephrine), as well as melatonin.

A monoaminergic, or monoaminergic compound, is a chemical which functions to directly modulate the serotonin, dopamine, norepinephrine/epinephrine, and/or melatonin neurotransmitter systems in the body or brain.

Monoaminergics include catecholaminergics (which can be further divided into adrenergics and dopaminergics), serotonergics, and melatonergics. A specific example are monoamine oxidase inhibitors (MAOIs), which affect the activity of all four of these systems.

Many monoaminergics, particularly catecholaminergics, often also function as analeptics by exerting a stimulatory effect on the action of the central nervous system (CNS).

The effects of catecholaminergic substances often include eugeroic (wakefulness-promoting) effects along with their primary physiological effects. These substances are used in research for counteracting fatigue and increasing alertness.

Monoaminergics on Newmind

NewMind monoaminergics current only include tianeptine, which has a modulatory effect on serotonin.

It has an important role in cognition and neuroscience research.

For example, the monoamine hypothesis of depression postulates that the monoamine based neurotransmitter systems are involved in a number of physiological and psychological processes, and that deficits in monoaminergic signaling are associated with, and potentially are a direct causal factor for depression. Monoaminergic compounds are used in research investigating, or based upon this hypothesis.

The improper functioning of the monoaminergic system has been linked to a variety of psychological disorders, including depression, bipolar disorder, and cognitive decline. Of particular interest are serotonin, dopamine, epinephrine, and norepinephrine. Hence the monoaminergic substances are of great interest as research chemicals in neuroscience and neuropsychology.4

Eugeroics / Analeptics

Eugeroics are wakefulness and alertness promoting compounds which are simultaneously low in addictive potential.

The prototypical eugeroic is modafinil. Erowid modafinil searches will yield user experiences and modafinil reviews. Erowid is an internet site with the goal of spreading awareness about different psychoactive substances that people have taken. Modafinil is also sold under the brandname Provigil and is a strong eugeroic drug with the primary effect being to increase wakefulness.7 Research is currently underway to find successor compounds that could serve as a substitute for Provigil.

Another top eugeroic research compound available is adrafinil. It was the first discovered eugeroic substance, with strong wakefulness-promoting effects. It has since been used in neuroscience research and for the development of newer eugeroic agents, including modafinil.8

Pseudoephedrine is a chemical that is added to many analgesics to counteract sleepiness and lethargy. Although not always recognized as a eugeroic, Pseudoephedrine is arguably the most widespread compound with eugeroic properties in medical use today.9

[[ NOTE: ergogenic (performance enhancing) is not the same as eugeroic (wakefulness enhancing) – in written material published to date, pseudoephedrine is sometimes referred to as ergogenic, but rarely referred to as eugeroic ]]

Another important and newer eugeroic compound is called pitolisant or tiprolisant, and is a histamine receptor drug used in the treatment of narcolepsy.10

The definition of the set of substances known as “analeptics” encompasses any substance that has a stimulatory effect on the central nervous system (CNS). The analeptics classification, therefore, includes any CNS-stimulating substance.

Some analeptics, known as respiratory analeptics, are known primarily for their stimulative effect on respiration. A prime example of a well-known respiratory analeptic is Doxapram. The doxapram mechanism of action is to stimulate respiration through action on the peripheral carotid chemoreceptors – a key part of the CNS.

Other analeptics are compounds that possess psychomotor stimulant properties on the central nervous system, often through catecholaminergic mechanisms.. These include PPAP and Phenylpiracetam. PPAP (1-Phenyl-2-propylaminopentane hydrochloride) is a catecholamine enhancer and CNS stimulant. Phenylpiracetam is used in research for cognition and is also in use as a Nootropic in certain countries. It has mild energizing effects and is used in neuroscience studies for protection against cognitive decline.11

Mechanism of action

The mechanism of action of monoaminergics/eugeroics/analeptics differs greatly between the substances themselves. There is also a need for more information into the pharmacological action of these compounds.

Monoaminergics can have a variety of effects.


For example, PPAP works as a powerful catecholamine activity enhancer (“CAE”) by stimulating the release of both norepinephrine and dopamine.12

Flmodafinil (CRL-40,940 or Lauflumide) has a somewhat different but related mechanism of action as that of PPAP and and can be classed as a newer generation analeptic and eugeroic. Flmodafinil is used in the research of neuroscience and wakefulness-enhancing agents. Flmodafinil is a newer, more potent derivative of modafinil, which itself was developed as a more potent relative of adrafinil.13

Adrafinil is a mild CNS stimulant and can be classed as an analeptic and eugeroic. Studies have suggested that adrafinil acts as a mental and behavioral-stimulant without producing the same adverse effects related to most stimulants like repetitive behavior and thoughts, anxiety, and addiction.14 Again, adrafinil is a monoaminergic substance with eugeroic applications.

Another example is Amfonelic acid, which is one of the most powerful research chemicals used for the selective inhibition of dopamine reuptake with very little effect on adrenergic signalling. It is used in research for dopamine uptake pathways and in CNS-stimulant chemical studies.15

The common pharmacological action that is shared by all these chemicals is that they act directly on an aspect of the monoaminergic system to produce mild to strong stimulatory effects on the CNS. The exact spectrum of pharmacological effects that each produces varies from substance to substance.

Monoaminergic Applications

Research has indicated that some monoaminergic agonists may have the potential to promote enhanced recovery after brain injury. This is thought to apply especially to the ‘secondary injury’ that persists up to several hours after the injury – causing increased cell death.

‘Neuroprotective’ agents aim to protect the brain from secondary injury. However, their effectiveness in this regard is still somewhat undetermined. Monoaminergic substances have been suggested as an alternative due to their ability to help the brain to recover from injury. These effects have been studied extensively in animals but there is still a lack of research on humans.16

Other potential applications include clinical applications in psychological disorders like depression, schizophrenia, and ADHD. Amphetamine-like monoaminergics, which increase the concentration of dopamine, epinephrine and norepinephrine neurotransmitters, can also be used for stimulatory effects and have analeptic and eugeroic applications.

Human and Animal Toxicity

Toxicity ratings vary for the different monoaminergic substances found on Newmind. It is important to note that most of these chemicals lack an established human toxicity rating, and more importantly that ALL compounds offered on NewMind are strictly NOT for human consumption.

Many of the compounds do however have limited toxicological information available from research conducted in animal models, such as an LD-50 as determined in small mammals like mice and rats. Please read through the product listings for more in-depth toxicity research pertaining to each compound.

Animal studies on the behavioral effects of monoaminergics often involve using comparisons to substances with well-established research. These sometimes include substances like methamphetamine, amphetamine, and cocaine.

These comparisons help to establish a rating of the behavioral effects of each compound on various animals. However, there is a large gap between animal research and human results.


1 F Chollet et al., “Monoaminergic drugs for motor recovery after ischemic stroke”, Ann Phys Rehabil Med. 2014 Nov;57(8):509-19. doi: 10.1016

2 “Analeptic”, Free Medical dictionary online, retrieved on March 21, 2017

3 “Function and pharmacology of monoamine neurotransmitters”, UCL Neuroscience, Physiology and Pharmacology, available online, retrieved on March 21, 2017

4 G Hache et al., “Monoaminergic Antidepressants in the Relief of Pain: Potential Therapeutic Utility of Triple Reuptake Inhibitors (TRIs)”, Pharmaceuticals 2011, 4, 285-342; doi:10.3390/ph4020285

5 “Amfonelic Acid: CID 2137”, PubChem, Open Chemistry Database, retrieved on March 21, 2017

6 US Patent 3,632,767, Patented on Jan. 4, 1972, “TREATMENT OF DEPRESSION WITH 4-SUBSTITUTED PIPERIDINES”, Allan P. Grey et al.

7 “Modafinil: Compound Summary for CID 4236”, PubChem open chemistry database, available online, retrieved on March 21, 2017

8 “ADRAFINIL: Compound Summary for CID 3033226”, PubChem open chemistry database, available online, retrieved on March 21, 2017

9 “Pseudoephedrine”, Drugs.com, February 2013, available online retrieved on March 21, 2017

10 “Pitolisant: Summary of Product Characterists”, Bioprojet Pharma drug information leaflet, available online

11 “77472-70-9: Compound Summary for CID 132441”, PubChem open chemistry database, available online, retrieved on March 21, 2017

12 “SCHEMBL9156272: Compound Summary for CID 23172541”, PubChem open chemistry database, available online, retrieved on March 21, 2017

13 J Cao et al., “SARs at the Monoamine Transporters for a Novel Series of Modafinil Analogues”, ACS Med Chem Lett. 2011 Jan 13; 2(1): 48–52, doi: 10.1021/ml1002025

14 FA Rambert et al., “[A unique psychopharmacologic profile of adrafinil in mice]”, J Pharmacol. 1986 Jan-Mar;17(1):37-52.

15 MD Schechter, “Amfonelic acid: similarity to other dopamine agonists”, Pharmacol Biochem Behav. 1987 Feb;26(2):413-6.

16 “Do a group of drugs known as monoaminergic agonists help the brain recovery after a severe injury?”, Forsyth RJ, Jayamoni B, Paine TC, Mascarenhas S, Chochrane medical review, 18 October 2006, available online, retrieved on March 21, 2017