"I take this mainly for concentration and stress releif, works almost immedietly, best on empty stomach mid morning. I also phase it as my main exercise (20 mile day) and since taking this I have lost 10kg which is great sinse was overweight, makes you feel like you can take on anything, so as a motivator before exercise can't beat. Just a warning take no more than 1g important as can give you a weird headache, this is common with tyrosine apparently."

Excellent product. But anybody using this should supplement NAC to counter nitrosative stress which can harm the immune system after a certain time! This really is important!

"Been using this with AAKG, BCAA, Glycine and creatine normally but at min im cycling it............. superb results, just a gram gives you some serious get up and go without the added nasties in stimulant products. you gotta try this as 100grams last an age!!!!!!!!"

"This stuff is a fantastic energy booster and weight loss supplement. Tastes horrible, but you won't notice it if you just put in a tiny bit of water and knock it back like a shot. Have had incredible weight loss results by combining this with ALCAR. I would pay attention to the warning not to take more than two servings a day; and time I've exceeded this I've gotten a crazy headache."

"Good supplement for pre workout along with caffeine, green tea extract, taurine, bcaa and alcar"