Any supplements to decrease my 5k (3 mi) run time?

[cwc73]

I'm looking for something that will help me either breath better (V02 max) or help with my heart rate. Are there any supplements out there that claim to be able to do this?

 

[fitricise]

I dont think there are many (if any?) supplements designed for that purpose. I did read something on AF's store about amplify O2, something in it increases VO2 max I think. I have had very good results with stimulants (check the anabolicx forum for stimulantx), I feel great on my runs, and the only way to improve VO2 max and heart rate is to run harder, which I can