I just started two days ago, two tablets a day, APO-Levocarb 25-100, DIN:02195941, RX: 1425561. So far, there is no side effects and I seem to be less shaky but it is to early to tell. They are cheep compering to Neupro, $40 for 90 tab vs $240 for 30 Neupro 4mg patches.