Bodybuilders using Retatrutide

rmhla

GLP-1 Apprentice
Member Since
Jun 1, 2026
Posts
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Location
Toronto, Ontario, Canada
Hey all,

So recently 2 months ago, I decided to jump back on higher dose Retatrutide while maintaining muscle.
Was low dosed just for the other effects at 2mg weekly.

Im currently using 6mg and experience no muscle lost as a recent dexa scan proved, so my question is how many experience that samething who train for shows etc... what dose did you get up to before noticing muscle loss. Im thinking of moving to 10mg weekly spilt 5mg 2 x week.

Any solid input would be great

Im 6'5
216lbs
11.8% bf
9% visceral
 
Hey all,

So recently 2 months ago, I decided to jump back on higher dose Retatrutide while maintaining muscle.
Was low dosed just for the other effects at 2mg weekly.

Im currently using 6mg and experience no muscle lost as a recent dexa scan proved, so my question is how many experience that samething who train for shows etc... what dose did you get up to before noticing muscle loss. Im thinking of moving to 10mg weekly spilt 5mg 2 x week.

Any solid input would be great

Im 6'5
216lbs
11.8% bf
9% visceral
Can’t help you but your numbers put a tear in my eye. Thats fantastic. Good luck.

Bill
 
Hey all,

So recently 2 months ago, I decided to jump back on higher dose Retatrutide while maintaining muscle.
Was low dosed just for the other effects at 2mg weekly.

Im currently using 6mg and experience no muscle lost as a recent dexa scan proved, so my question is how many experience that samething who train for shows etc... what dose did you get up to before noticing muscle loss. Im thinking of moving to 10mg weekly spilt 5mg 2 x week.

Any solid input would be great

Im 6'5
216lbs
11.8% bf
9% visceral
What are you basing your doses on? Meaning why 2mg and 6mg and 10mg? Whats the expectation at each level?
 
I'm not a body builder, but resistance train regularly. Have not noticed any muscle loss at all. Being leaner (and eating better) seems to make me stronger, not weaker in my sets. Or at the very least the same strength as before starting reta. And muscles/skeletal structure more visible.

I see a lot of anecdotal stuff on twitter/youtube of bodybuilder types saying they eat whateve they want and don't bloat, stay lean and still hit their max reps or increase, etc. I think studies and/or the thousands of posters online say the same.

I even read once that pro athletes have been taking reta for years, but no way to confirm that. But wouldn't be surprised. I mean if you need to stay in top shape, even during off-season training, it will help imho.
 
thr only way to loose muscle while on glp1 is to not eat at all and be a potato couch like they do in hollywood
simple as that
You can lean bulk on reta easily if you can eat in surplus

If you can eat 2800 cal daily on 6mg reta sinlge pin weekly and low food noise dont titrate up
it make zero sens to go higher unless you want more appetite suppresion

split dosing is bad
i can split 12mg with 3 pin weekly with zero side and almost no appetite suppresion
but a single pin of 6 mg get me going all week and i get all i need
the Spike is everything
 

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