2D structure of clenbuterol hydrochloride

2D structure · PubChem CID 5702273Clenbuterol hydrochloride

Genetix PharmaWeight lossSKU Clen75

Clen 75 Genetix Pharma

Clenbuterol hydrochloride · Oral tablet

5.0 from 10 reviews

$132CAD

In stock, ships from Vancouver

Strength75 mcg per tablet

Pack50 tablets

Total per order3.75 mg

Half-life≈ 36 hours

Add $168 more for free Xpresspost.

Delivery guaranteeLost or seized: reshipped free
Tracking in 72 hPacked in Vancouver
Interace-TransferFrom any Canadian bank
Plain packagingNo product names outside

Overview

Clenbuterol is a long-acting beta-2 agonist approved in some countries for asthma. It is not approved for human use in Canada.

How it works

It relaxes airway muscle and stimulates beta-2 receptors in fat and muscle, which raises heart rate and energy use.

Chemistry

From PubChem, the US National Library of Medicine’s chemistry database.

Clenbuterol hydrochloride

Formula: C₁₂H₁₉Cl₃N₂O
Molecular weight: 313.6 g/mol
CAS: 21898-19-1
PubChem CID: 5702273 ↗

Clinical reference

Where clenbuterol is approved for asthma, adults take 20 to 40 mcg a day (0.02 to 0.04 mg). It is not approved for human use in Canada.

Label and guideline amounts are shown for reference only. They are not a recommendation, and we never give cycle or performance amounts. Any use belongs under a doctor’s care, with bloodwork.

Measuring calculator

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Strength used: 75 mcg per tablet · pack: 50 tablets

Combinations and interactions

Prescribed or used alongside

Not combined with other stimulants.

Drug interactions

Beta blockers: cancel its effect.
Stimulants and caffeine: additive heart effects.
Diuretics: low potassium risk.

Risks and bloodwork

Heart rhythm

Fast heartbeat and palpitations; heart damage has been reported.

Tremor and anxiety

Common.

Low potassium

Can trigger cramps and arrhythmias.

Sport

Prohibited by WADA.

Bloodwork doctors check

Resting heart rate and blood pressure
TSH, free T3 and free T4
Potassium
An ECG if you have palpitations

Not for

People under 18, anyone pregnant or breastfeeding, and anyone with liver disease, heart disease, uncontrolled blood pressure or a hormone-sensitive cancer, unless a doctor directs otherwise.

Canadian legal status

Health Canada has not approved this compound for human use. It is sold for research purposes, and most sports bodies prohibit it. This is general information, not legal advice.

References

Adverse events of clenbuterol among athletes: a systematic review of case reports and case seriesKumari S et al. · Int J Legal Med, 2023 · PMID 37062796
A descriptive study of adverse events from clenbuterol misuse and abuse for weight loss and bodybuildingSpiller HA et al. · Subst Abus, 2013 · PMID 23844963

Reviews

5.010 reviews from customers

Reviews are published after a quick check. Only customers who bought this product can review it.

CianVerified buyerSep 22, 2025

Rated without a written review.