CS: Anything for better endurance for high intensity exercise?

I read the blog about the oxygen thing. But is there anything else?

1..... - Did you read the continuation?

1..... wrote:I read the blog about the oxygen thing. But is there anything else?

Years ago, I used a product by Source Naturals called "Ellagic Active." It didn't do much for my hair, but it really boosted my endurance levels. I run/jog on a regular basis (five days a week). And while taking this supplement, I didn't tire at all. I kid you not.