"I have taken four minutes off my 10 mile PB and five minutes off my half-marathon best.

It is well worth experimenting with, particularly if you have been running for several years and are already close to your limits, so are looking for that extra edge.

I for one, won't be racing without it anymore!"

Paul Halford, deputy editor of Athletics Weekly, smashed 4 lifetime Personal Bests during a trial period using ARK 1.

More Testimonials

Increase Exercise Endurance by 20%

Research published in the Journal of Applied Physiology, has revealed the dietary supplement ARK 1 improves high intensity exercise endurance by an amazing 20%.

Take twice daily at a cost of less
than your morning coffee!

600g tub of Ark1 - £59.95 (Plus P&P)