Quote:
Originally Posted by Joemoplata  On a side note: Creatine supplementation is not mind or mood altering in any way. It is also not a stimulant. Anyone experiencing jitteriness or anxiousness may have been taking something that contained a thermogenic or a stimulant in conjuntion with creatine. |
Mayoclinic (one of the worlds top medical research hospitals) is saying creatine may cause these:
"Reports of other side effects include thirst, mild headache, anxiety, irritability, aggression, nervousness, sleepiness, depression, abnormal heart rhythm, fainting or dizziness, blood clots in the legs (called deep vein thrombosis), seizure, or swollen limbs."
Creatine - MayoClinic.com