I tried and it is rather effective to feel stimulated and it fights fatigue. By cons, it must be paid to increasing the dose gradually. For example, I started with 2 grams and then I increased to 1 g every 2 days, stopping to 4 gr. From there, I did not get to sleep at night! Let's say I was sleeping at 4am every time. So I caution regarding dosage of Spirulina and it would be better to start with one and then increase by 1 gr gr every week knowing he must be limited to three weeks followed courses of 1 week break then no different if desired. This is a very interesting product but it must be very careful, ask well on against-indications about this product.
