Clenbuterol: Side Effects, Risks, and Legal Status

However, the second cycle begins with the maximum dose from the first cycle. Thus, if the first cycle finished at 100 mcg per day, the same dose would be taken for the entire 2 weeks in the second cycle. A 2-week cycle will often start in the 20–40 mcg range, with the dose increasing every 1 or 2 days until a maximum dose is achieved (usually 100 mcg–140 mcg). The Peking Union Medical College in Beijing, China, found that low doses of clenbuterol had minimal effects when the researchers tested them on rabbits. However, medial doses significantly affected the animals’ heart rates, and higher doses even led to death.

Availability of Clenbuterol

It’s almost like you must force yourself to start drinking more water before you feel like drinking more. Clenbutrol works to burn fat by increasing metabolism through thermogenesis, which then encourages using stored fat as energy. This happens without the loss of muscle that can so often occur when you’re on a calorie-restricted diet during a cutting phase. Most Clen users will find these side effects come on soon after starting Clenbuterol, and as your body gets more accustomed to the drug, they can reduce or even stop altogether. These short-term side effects will be difficult to tolerate in other users, so you might choose not to use Clenbuterol. Those suffering from existing anxiety should keep in mind the potential effects on mental health as well as physical.

• Clenbuterol arouses the sympathetic nervous system, potentially causing users’ resting heart rates to become excessively elevated.
• This corresponds to the lowest dose most of us will look to take each day.
• Clenbuterol also relaxes smooth muscles that line airways and helps them dilate (expand) to increase the amount of oxygen people and animals receive from each breath.

But as mentioned in the introduction, clenbuterol is not a steroid, nor does it drastically alter vital hormone levels like AAS. However, when one uses clen in conjunction with AAS, they do need to research and run a proper PCT. You can view this forum thread to see a discussion on PCT when clen is taken with steroids. Clenbuterol’s half life, or the amount of time it takes for the drug’s effectiveness to fall to half of its beginning value, is around 26 hours. Clenbuterol is detectable in the blood for 48 hours after being taken (15).

Clenbuterol Side Effects

This makes it very appealing for bodybuilders and anyone wanting to lose weight, making Clenbuterol almost a household name in the weight loss world. It prevents the body from getting fatigued by increasing endurance and performance. Therefore, the use of clenbuterol has become popular among athletes, bodybuilders, and gym enthusiasts. Clenbuterol was previously given to livestock to increase lean muscle mass and livestock production. In general, any positive effects of taking clenbuterol seem to be temporary and steroids buy online short-lived. This selectivity enables clen to produce specific adrenaline-like effects such as increasing core body temperature and raising metabolic rate, without also increasing heart rate by a substantial amount.

Alcohol will exacerbate all three of these side effects due to increased cortisol production, so we advise against it. The Peking Union Medical College in Beijing, China, concluded that clenbuterol only had mild effects when given to rabbits (7). However, when higher doses were administered, their heart rates increased drastically, inducing severe hypotension. Users will commonly have 2 weeks of rest before cycling clenbuterol again.

In our experience, this side effect is particularly common in the hands. A racing heart and palpitations may also trigger anxiety, as users may think they are having a heart attack. Clenbutrol can be taken by men or women to significantly decrease their fat mass, while enhancing muscle tone. Any water lost from taking clenbuterol is likely to return post-cycle, making this diuretic effect temporary. As the muscle tries to expand, it effectively pushes against the deep fascia.

However, the results of a small study were not promising, with most participants not seeing an improvement in depression symptoms, combined with undesirable side effects9. It is used for long-term therapy of bronchial asthma, COPD and chronic obstructive bronchitis. It is not suitable for acute treatment of bronchospasm due to its delayed onset of action. Clenbuterol is a decongestant and bronchodilator used in a variety of respiratory diseases. For more information about natural supplements that mimic the effects of steroids, be sure to see our list of the Top 5 Best Legal Steroids.

There are other drugs that are as effective as clenbuterol in humans, with fewer side effects. This adds to the lack of clinical research on clenbuterol, where the benefit to risk ratio is too low for the research to be worth it 33. Additionally, when a low-cost drug is discovered to be dangerous in humans, it’s still often used in animals. This could be because it’s not as dangerous for the animals, or the side effects are less acceptable in humans.

There are a few really good legal alternatives available that provide many of the same effects as Clen, but without having any of the negative side effects. These supplements are not only safe but also effective and reasonably priced. Joe Cohen flipped the script on conventional and alternative medicine… and it worked. Frustrated by the lack of good information and tools, Joe decided to embark on a learning journey to decode his DNA and track his biomarkers in search of better health.