Increase Endurance For Fitness
How would you like to increase endurance in your fitness training by 20% as a result of following one simple sports
nutrition tip? Of course you would!
A recent study conducted at the University of Exeter, and published in the Journal of Applied Physiology reveals one simple way of boosting your fitness endurance while exercising, or racing at a high intensity. It all comes down to boosting the nitric oxide (NO2) in your body which helps the blood vessels relax. The special nutrition catalyst for this – L-Arginine, an amino acid.
The study looked at 9 healthy college aged men, and divided them into two groups. One group was the placebo sample, and given a black currant drink, while the other group was given a 500 ml drink which contained 6g of L-Arginine. The drink is known as ARK 1 from Arkworld International Labs.
The results of the study showed that the L-Arginine group was able to exercise 20% longer, and had 1%-2% increase in race times. The bottom line is the consumed L-Arginine was transformed into (nitric oxide) NO2 which helped to relax the blood vessels. The result of a higher levels of NO2 in the body, which in turn relaxed the blood vessels, led to the following:
of the other fitness program products available online. However, after closely reviewing it, I was surprised with what I saw.


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