Best PED for cardio endurance

Can’t speak to eq or tbol just yet but Cardarine will make a quite notable difference in cardio capacity even at 10mg/day
 
To improve your cardiovascular endurance, I recommend increasing your training efforts. In my opinion, cardio primarily relies on the level of exertion you put into it. If you aim to run longer distances, then simply get out there and run.

Unless you're an Olympic athlete or a paid professional, Testosterone might be the most practical option. It's user-friendly, cost-effective, and offers a wide range of general benefits that are hard to match.

Testosterone can greatly enhance your recovery after extended cardio sessions, and consistency is key when it comes to cardio training.
 
As others have stated EQ T-bol and gw are all great options. Tbol is my favorite for BJJ great strength and endurance without the hunger from EQ
 
I don't think any supraphysiologic dosage (or T equivalent) of AAS will directly help endurance.

People will steer you towards AAS that are thought to be more powerful stimulators of erythropoiesis than others. The idea is that these will stimulate hematocrit and your endurance will improve.

Well, erythropoiesis is one effect of AAS that may help but pretty much every other side effect of supraphysiologic AAS use will compromise endurance.

So if you do benefit significantly -- let's say from a 12-week cycle of equipoise -- you won't reap the benefits of increased hematocrit until well after the end of the cycle. And even then, you may only benefit if you lose the weight you gained from the 12-week equipoise cycle.

This is a backassward way of increasing hematocrit if your primary goal is endurance. Obviously rEPO has long ago superceded AAS for this purpose.

The only AAS I see worthwhile for endurance is testosterone at therapeutic dosages (i.e. 100-150 mg/wk). This is beneficial for endurance athletes who are likely to have suppressed their own endogenous T levels due to the specificity of their training.

In these cases, replacing T levels to normal/high-normal levels can work towards enhancing recovery as well as maintaining hematocrit levels. In many case, rEPO would not be necessary (even in elite athletes) if therapeutic T levels are maintained. IMO, it is healthier and safer for extreme/elite endurance athletes to use therapeutic TRT than the alternative of persisting with low/low-normal endogenous T levels.
 
As a member said earlier AAS will effect your endurance mostly by allowing you to recover faster from more training than you naturally could.
Without it you might recover from 4 sessions per week and with AAS you might recover from 6.
So its a huge deal in the long run.
In my experience the right dose is the one you can manage without getting side effects.
There are other medications that raise RBC count beside EPO tennis players are getting popped for Roxadustat might be interesting.
Also one important factor for AAS is recovery between round if thats the kind of sport you are in.
 
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Realistically, wasn’t Tbol literally made for this? The only purposeful PED?

I found that Tbol gave me near unlimited energy.
 
Realistically, wasn’t Tbol literally made for this? The only purposeful PED?

I found that Tbol gave me near unlimited energy.
Dbol also and maybe others they just don't admit it.
German swimmers and athletes won many medals on tbol was probably superior to other PEDs.
 
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