Cordygen VO2 Ultra or Peak Elite for a Sprinter?

[dcow08]

Hey, I am a 200/400m sprinter looking to increase my speed, endurance, and stamina. Would Cordygen VO2 Ultra or Peak Elite be more beneficial to me?

 

[TMCCLUNG]

Carnage hands down. I'm a cycling sprinter and I love the stuff.

 

[ryanp81]

Hell why not do all three or even this https://millenniumsport.net/products/atp-o2-stack/