So arginine has several cognition-enhacing effects, which work synergistically with pyroglutamate. Pyroglutamate has a number of remarkable cognitive-enhancing effects. Clinical studies of pyroglutamate have demonstrated that it enhances memory, helps combat the effects of alcohol, and combats senility. The most beneficial effects are the increased alertness and ability to concentrate so much better. I had to get up very early one morning, after getting very little sleep, and drive a long distance.
Adverse effects are rare, but include hypotension, dry mouth, weakness, and tachycardia.
Vinpocetine has no drug interactions, no toxicity, and is generally very safe. It is manufactured from cholesterol and is converted into testosterone, progesterone, DHEA and other steroid chemicals on an as-needed basis. A recent study of rats found pregnenolone to be 100-times more effective in improving memory and enhancing learning than other steroids. All my life, when faced with any big task, I would feel anxious and overwhelmed and would procrastinate forever. Now I jump right into action and get the job done.