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Bottle of 100 tablets. 60mcg of Clenbuterol HCL per tab (3X of regular strength). Spiropent is a potent beta-2 agonist prescribed to treat bronchial asthma and bronchial spasm.

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Rating: 4 based on 71 reviews

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What does Clenbuterol do?

It stimulates β2 adrenergic receptors causing relaxation of smooth muscle fibres and is used as a bronchodilator and tocolytic; Spiropent can also increase fat metabolism by acting on β3 receptors in the adipose tissue. It can also be used by athletes with exercise-induced pulmonary hemorrhage (EIPH), as a post cycle therapy drug after a steroid cycle (no association with androgenic side effects) or as an aid for weight/fat loss without losing muscle mass or body strength. 

Clenbuterol is a stimulant and a thermogenic drug – it exhibits dose-dependent effects on multiple organs throughout the body: it can stimulate central nervous system and promote a significant increase in oxygen transportation, aerobic capacity and blood pressure. It can increase BMR by acting on β3 receptors in the adipose tissue and increasing lipolysis (fat metabolism) thus can considerably reduce abdominal and visceral fat. In addition, spiropent stimulates muscle growth and can improve protein storage in muscle fibres. It exhibits a rapid bronchial-dilating action: stimulates bronchial-mucosa cells, this way enhancing expectoration.

Spiropent possesses a pronounced action on the metabolism in the organism, comparable to that of anabolic drugs: reduction of protein degradation in muscle cells, leading to an increase in muscle bulk and muscle strength as well as an enhanced metabolism of mast cells. Short-term effects are similar to that of amphetamine or ephedrine: an increase in the levels of heart rate, perspiration, blood pressure, and temperature.

How does Clenbuterol work?

Clenbuterol is absorbed easily and remains in the body for 25-40 hours; therefore the positive effects are prolonged. It stimulates beta-2 adrenergic receptors throughout the body causing relaxation of smooth muscle fibres; this results in lung spasm reduction. Additional effects include increased perspiration, raised body temperature, increased heart rate, and raised blood pressure. This drug also acts on beta-3 receptors in the adipose (fat) tissue promoting fat breakdown.

Clenbuterol safety information

Contraindications: Use in children; breastfeeding women; pregnant or women who may get pregnant whilst undergoing treatment; patients with allergies to the active or any of the inactive ingredients; patients with history of heart disease: congestive heart failure, ischemic heart disease, myocardial infarction, hypertrophic obstructive cardiomyopathy, tachycardia, tachyarrhythmia; people with history of high blood pressure, thyroid disease, glaucoma, prostatic hypertrophy, and urinary retention.


Side effects: nervousness, anxiety, raised blood pressure, increased heart rate, fine muscle tremor; these go away without stopping the therapy, within 1-2 weeks of treatment.

Other less common side effects include skin rash, facial edema, angina pains, and paradoxical bronchial spasm; thrombopenia, hypoglycemia and micturition disturbances.



Its the best clem product on the market



Excellent product and service. Fast shipping in discrete package. Customer Service helped resolve a mistake I'd made in a matter of minutes. Will continue to use this company in the future.



simply did not do anything for me , maybe they work for others but for me i did not feel any effect at all.



I am sure this works very well...but I am a bit nervous with all the shakiness going on,so I now cut each tablet in half,once a day.



Works fantastic!
Shipping to Norway no problem!



So far so good. Lost 3 pounds in 1 week. Transaction and delivery was great.



Just brought this. I would totally recommend.shaking like a leaf.



Great product and most reliable company to deal with. I would them 6 stars if there were.



Great product and very fst shipping. Good communication with the site . Thanks !!!!



Have used RxCart numerous times, it never fails to amaze me how quick and reliable the service is. I highly recommend them to everyone.

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