Clenbuterol and Irregular heart beat

[Jigger1122]

Hello everybody,

I recently started a Clen cycle - starting dose was 40mcg - 20mcg in the morning and another 20mcg in the noon.

I didn't notice any side effects - except of hr pace increasing, and body temperature increasing a little.

At that point i went to the gym to do some lifting - felt regular.


Same day I did some cardio with my polar heart rate monitor, and noticed the heart rate readings was funny - at resting times runs between 62-72 and keeps changing all the time . for example- 62 , 67 ,65 ,60, 70.

An example from my hr monitor:

Irregular beats:
https://polarpersonaltrainer.com/sha...aa37cf6d381cef

Regular beats:
https://polarpersonaltrainer.com/use...id=306395537&r

I wanted to know whether heart beating irregularly is a common side effect , and if it is ok for me to re-start the cycle

Thanks in advance!

[lovbyts]

I think it would be a good idea to stop the clen and let it clear your system and then see about getting an EKG to make sure you dont have some underlying arrhythmia problem. Clen can defiantly bring something like that to the surface so you dont want to mess around with it until you are sure.

[Chicagotarsier]

Also do you have a detailed BP history via del monitoring?

Are you on any other med besides Clen?

Here is a nugget on BP....

Lets say you are normal at 128/80. When you exercise that high blood pressure (over 120/80) is amplified to a high degree due to vascular constriction. If you do not have a detailed history you have kept you need to. Resting BP range is approx. If you are taking something like CLen or T3 you best be spot on....very heart intensive.

Also you might be taurine deficient. Are you supplementing?

[Jigger1122]

Also do you have a detailed BP history via del monitoring?

Are you on any other med besides Clen?

Here is a nugget on BP....

Lets say you are normal at 128/80. When you exercise that high blood pressure (over 120/80) is amplified to a high degree due to vascular constriction. If you do not have a detailed history you have kept you need to. Resting BP range is approx. If you are taking something like CLen or T3 you best be spot on....very heart intensive.

Also you might be taurine deficient. Are you supplementing?

Hey. thanks for the answer.

I'd like to mention that i only had taken 1 cap of 50mcg and after noticing what i described i did not take any more caps.

Before the starting the cycle i bought an bp monitor to keep track of my bp.

I also had an EKG and an Ultrasound ECO Heart - everything was fine.

before and within taking the clen my blood pressure was regular.

Also- the day taken clen - I supplemented 4g of Taurine , 500mg Potassium and 400mg magnesium and 2mg ketotifen.

The following 2 days i continued everything except of the clen.

[lovbyts]

In that case I would consider trying again but start with 1/2 as much and ramp up slowly over a week and monitor like you did before

[ScotchGuard02]

Clen is hard on the body. When I'm on full cycle of clen my resting heart rate is 90 to 95. I mean, it's really racing. Just know going in that clen cycle is uncomfortable.

[jimmyinkedup]

are you taking clen in caps? thats an accident waiting to happen man, There is no way they can dose mcg accurately in caps. You are prob taking way more than you even think man.

[Mp859]

How can you sleep takin a dose at noon? I have to take it all in the morning or it screws with my aleep

[Jigger1122]

Clen is hard on the body. When I'm on full cycle of clen my resting heart rate is 90 to 95. I mean, it's really racing. Just know going in that clen cycle is uncomfortable.

are you taking clen in caps? thats an accident waiting to happen man, There is no way they can dose mcg accurately in caps. You are prob taking way more than you even think man.

How can you sleep takin a dose at noon? I have to take it all in the morning or it screws with my aleep

ScotchGuard02 :

I'm aware that the resting hr on a clen cycle is getting higher then usual.
My worries are about the Heart rhythm seems to be irregular - I could be sitting on a chair resting and the heart rate would change all the time - is "unstable" and irregular heart rhythm is also a known side effect of clen? shouldn't i worry about this?

jimmyinkedup:

I probably miss-spelled - I'm taking 40mcg pills.

Mp859:

I took the other 20mcg at about 3 pm - I slept just fine.. I also took 2mgs of ketotifen -which is associated with getting sleepy.

[Bonaparte]

If your monitor isn't simply misrepresenting your heart rate, it is likely respiratory sinus arrhythmia, which is common in young men and harmless.
And even at your highest, you never went over like 81 beats per minute, which is well within normal range (60-100 resting).

If you're worried about a serious arrhythmia, try taking your pulse manually first to ensure that your beats are evenly spaced and that you aren't experiencing extra beats or missing any. Then get an EKG if still in doubt.
Or better yet, stop using clen. Taking large doses of beta agonists is generally a bad idea.

[Jigger1122]

If your monitor isn't simply misrepresenting your heart rate, it is likely respiratory sinus arrhythmia, which is common in young men and harmless.
And even at your highest, you never went over like 81 beats per minute, which is well within normal range (60-100 resting).

If you're worried about a serious arrhythmia, try taking your pulse manually first to ensure that your beats are evenly spaced and that you aren't experiencing extra beats or missing any. Then get an EKG if still in doubt.
Or better yet, stop using clen. Taking large doses of beta agonists is generally a bad idea.

I did check my monitor to see if it was broken - on a regular person not using clen it represented a normal stable heart rate , same as the results it gave me before clen.
From your answer i can understand that respiratory sinus arrhythmia is common and harmless - but id like to mention I never had this before taking clen - my rhythm was stable.

When I manually check my heart beats it seems to be fine , but that makes me unconfident is the hr taken by the monitor- which without the clen was different and stable.

As mentioned on previous reply - i had an EKG and Heart ECO Ultrasound - just before taking the pill and everything was pretty much normal.

From what I understood wondering around the net - It seems that the Irregular heart rhythm - unstable irregular beats is a common side effect of clen and it shouldn't be worrying me.. Is that true? Can i re-start the cycle?

[Bonaparte]

I did check my monitor to see if it was broken - on a regular person not using clen it represented a normal stable heart rate , same as the results it gave me before clen.
From your answer i can understand that respiratory sinus arrhythmia is common and harmless - but id like to mention I never had this before taking clen - my rhythm was stable.

When I manually check my heart beats it seems to be fine , but that makes me unconfident is the hr taken by the monitor- which without the clen was different and stable.

As mentioned on previous reply - i had an EKG and Heart ECO Ultrasound - just before taking the pill and everything was pretty much normal.

From what I understood wondering around the net - It seems that the Irregular heart rhythm - unstable irregular beats is a common side effect of clen and it shouldn't be worrying me.. Is that true? Can i re-start the cycle?

No. Apart from respiratory sinus arrhythmia, they're all serious.
Again, it does not sound like you are suffering any arrhythmia. The clen is just causing your HR to speed up a bit, and your monitor (by virtue of how it estimates beats per minute based on recorded 1-second intervals) is making it look dramatic.
If your HR suddenly spikes to 160+ while you're watching TV, call 911. Otherwise, either quit stressing or drop the clen.

[Jigger1122]

Clen is hard on the body. When I'm on full cycle of clen my resting heart rate is 90 to 95. I mean, it's really racing. Just know going in that clen cycle is uncomfortable.

are you taking clen in caps? thats an accident waiting to happen man, There is no way they can dose mcg accurately in caps. You are prob taking way more than you even think man.

How can you sleep takin a dose at noon? I have to take it all in the morning or it screws with my aleep

If your monitor isn't simply misrepresenting your heart rate, it is likely respiratory sinus arrhythmia, which is common in young men and harmless.
And even at your highest, you never went over like 81 beats per minute, which is well within normal range (60-100 resting).

If you're worried about a serious arrhythmia, try taking your pulse manually first to ensure that your beats are evenly spaced and that you aren't experiencing extra beats or missing any. Then get an EKG if still in doubt.
Or better yet, stop using clen. Taking large doses of beta agonists is generally a bad idea.

No. Apart from respiratory sinus arrhythmia, they're all serious.
Again, it does not sound like you are suffering any arrhythmia. The clen is just causing your HR to speed up a bit, and your monitor (by virtue of how it estimates beats per minute based on recorded 1-second intervals) is making it look dramatic.
If your HR suddenly spikes to 160+ while you're watching TV, call 911. Otherwise, either quit stressing or drop the clen.

Thank you for your help!

I will start the cycle over with 20mcg and keep updating.