Are you taking ephedrine? That makes me really thirsty.
Getting thirsty too fast
Josiah Edwards
Charles Mitchell
I had this problem until I started supplementing magnesium.
It's probably an electrolyte imbalance. Get a Mg supp, eat a banana or two every day for potassium, and see what happens.
John Smith
I just drank 60 grams of protein, why am I thirsty?