Seeking a mental pick-me-up without making you shaky? For decades Sulbutiamine has silently been working behind the scenes. Designed to get past the blood-brain barrier more quickly, this modified form of vitamin B1 (thiamine) was developed in Japan. You therefore acquire larger brain gains in less time.

Sulbutiamine interests me because it combines physical energy with mental clarity. Those who reach for it frequently cite a jolt in motivation, better attention on menial or repetitious chores, and a lightness of mood. This supplement may be the hidden weapon you never knew you needed if procrastinating has your number or you find yourself unable to get going in the morning. Late-night study sessions, hectic days, or combating the typical “brain fog” sensation all benefit from it.

Sulbutiamine shines most in the area of fatigue-fighting. Those recovering from illness or just burning the candle at both ends often choose this. Sulbutiamine gives smooth energy that lasts several hours instead of a caffeine high followed by a crash. It’s not about more speed; it’s about just more endurance to get through the day.

Most people find success either all at once in the morning or divided up with 200–600mg at a time. Every system is somewhat unique, thus the first step is to start at the lower end and raise it as necessary. Tracking output? As Sulbutiamine is fat-soluble, pair it with some food.

Although side effects are rare, a few people report headaches or insomnia, particularly if they stray into larger doses. Pay close attention to the signs your body sends and avoid running weeks on end without allowing yourself a break. On and off cycling helps avoid tolerance.

Sulbutiamine won’t make you a superhero, but it might make you feel a little more like your best self—focused, enthusiastic, and somewhat less slow when the day attempts to pull you down. It silently gets the job done in a world full of hollow promises in supplements.