Research Use Only - Not for human consumption. 18+ only.
BGrade BSmaller human trials, observational studies, or approved in 30+ countriesResearch OnlyResearch OnlyNo regulatory approval in any major jurisdiction; for research use onlyMetabolic & Weight LossOral

Tesofensine

Also known as: NN7952

Triple monoamine reuptake inhibitor that significantly suppresses appetite and increases energy expenditure. Originally developed for neurological conditions, repurposed for obesity treatment.

Beginner Basics

Plain-English guide to Tesofensine

What it does

This compound works by increasing a brain chemical that reduces hunger and makes your body burn more calories throughout the day. Researchers study it for weight loss because it makes people feel less hungry and more energetic.

Typical dose

Researchers typically start with 0.25 mg by mouth once daily, then increase by 0.25 mg every 4 weeks up to a maximum of 1 mg daily, depending on how well someone tolerates it.

When to inject

Take it in the morning with or without food. Morning timing helps with the energy-boosting effects throughout the day.

Storage

Keep the dry powder in a freezer at -20°C (around -4°F). Once mixed with liquid, store it in a regular refrigerator at 2-8°C (35-46°F) and keep it away from direct light.

First-timer tip

Start at the lowest dose (0.25 mg) and give your body at least 4 weeks to adjust before increasing-this helps you see how you actually respond without jumping to higher amounts too quickly.

Research Status

BGrade BSmaller human trials, observational studies, or approved in 30+ countriesResearch OnlyResearch OnlyNo regulatory approval in any major jurisdiction; for research use only

Moderate Clinical Data

For research purposes only. Not approved for human use. Not medical advice.

Research Areas

Reduces appetite and food intake
Increases energy expenditure and metabolic rate
Promotes weight loss in obesity
Enhances alertness and wakefulness
Improves mood and motivation
Reduces food cravings

Side Effects

Nausea
CommonMild

Often transient and resolves within 1-2 weeks. Take with food if tolerated. Dose titration reduces incidence.

Insomnia or sleep disturbance
CommonMild

Due to increased dopamine and norepinephrine. Take dose in early morning (6-8 AM). Avoid evening dosing. May improve with continued use.

Increased heart rate (tachycardia)
CommonModerate

Dose-dependent effect. Monitor heart rate regularly. Baseline and periodic cardiovascular assessment recommended. Discontinue if sustained elevation or palpitations occur.

Elevated blood pressure
CommonModerate

Noradrenergic effect. Monitor blood pressure at baseline and regularly during treatment. Contraindicated in uncontrolled hypertension.

Headache
UncommonMild

Usually mild and transient. May respond to over-the-counter analgesics.

Dry mouth
UncommonMild

Increase water intake. Use sugar-free lozenges if needed.

Anxiety or nervousness
UncommonMild

Dose-dependent. May occur during titration phase. Consider slower dose escalation.

Tremor
UncommonMild

Fine tremor may occur, particularly at higher doses. Usually resolves with dose reduction or continued use.

Sweating
UncommonMild

Increased thermogenesis and sympathetic activation. Usually mild and transient.

Constipation
UncommonMild

Increased fiber intake and hydration recommended. Stool softeners may help if needed.

Serotonin syndrome
RareSerious

Risk if combined with other serotonergic agents (SSRIs, SNRIs, MAOIs, tramadol). Symptoms include agitation, confusion, rapid heart rate, high blood pressure, dilated pupils, muscle rigidity. Requires immediate medical attention. Contraindicated with serotonergic medications.

Psychiatric symptoms
RareSerious

Mood changes, suicidal ideation, or behavioral changes reported in some users. Monitor mental health closely. Discontinue and seek medical evaluation if psychiatric symptoms emerge.

Arrhythmia
RareSerious

Cardiac arrhythmias possible, particularly in susceptible individuals or at higher doses. Baseline ECG recommended. Discontinue immediately if arrhythmia suspected.

Dosing Reference

ParameterValue
Dose range0.25-1 mg
Frequency, timing and route - members only

Research disclaimer

Figures drawn from published research literature and community logs. Not clinical recommendations. Consult a qualified professional. Research use only.

Reconstitution Guide

Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution

Do not shake the vial vigorously; gentle swirling prevents peptide degradation

Discard immediately if the solution appears cloudy, discolored, or contains visible particles

Use within 30 days of reconstitution when stored at 2-8°C

Do not freeze the reconstituted solution; freezing may denature the peptide

Use the PeptideVolt reconstitution calculator for your exact concentration

Use the PeptideVolt reconstitution calculator for your exact concentration

Molecular and Pharmacological Data

Half-lifeApproximately 20-24 hours (oral)

Tesofensine is a triple monoamine reuptake inhibitor that blocks the reuptake of serotonin, norepinephrine, and dopamine in the central nervous system. By increasing synaptic concentrations of these neurotransmitters, it suppresses appetite through hypothalamic pathways and increases energy expenditure, promoting weight loss. It was originally developed for neurological conditions but has been repurposed for obesity treatment due to its potent metabolic effects.

Pathways and mechanism detail available to members

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Research Use Only. All content on this page is provided for informational and educational purposes related to scientific research. Tesofensine is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.