Tren can be brewed to look like anything. Most tren is dark in color. So just bc it isn’t dark doesnt mean it isnt legit tren. Tren usually isnt fake. Im on a tren cycle right now and side effects wise its the worse cycle ive done, last time i did tren it was much smoother. I only do tren ace for that reason just my preference.
By your story it could be underdosed or it could be you just dont have as many sides to the drug. Usually you will know whether tren is good or not its a kicking mule