r/ResearchCompounds • u/Traditional-Yam6959 • 3d ago
Discussion Will Reta decrease running performance?
Hi, I’m a 20F looking to lose about 5 kg using retatrutide. I’m a long-distance runner and have completed multiple marathons, so running is a big part of my life, but I’m aiming to lean out slightly.
I took my first injection about a week ago and have already noticed a drop in my running performance, especially a slower pace. From what I understand, this can happen due to factors like increased heart rate, reduced calorie intake, and lower glycogen stores.
My question is whether this is just temporary while I’m on the medication, or if it could have longer-term effects. Once I stop retatrutide after a few months, is it likely that my performance will return to baseline or even improve, or could this dip in performance carry over?
Would really appreciate hearing from anyone with experience or insight on this.
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u/jimbeam001 3d ago
I am an ultra runner and recently ran a half marathon and actually had to take a break at around kilometre 12 due to the fact that my stomach felt really full almost too full and this usually happens because long distance running leads to the blood going to your legs instead of being in the stomach so that it just difficult to process any food that you intake. Without the GLP one it normally is not that easy to intake much food but now I found it is even way harder and the stomach really shuts down. On the other hand, I have found that running in the morning on water only if you’re doing a keto diet that the GLP one is really helpful because you burn your fat as an energy use anyway.