Some supposed nootropic substances are compounds and analogues of choline, a precursor of acetylcholine (a neurotransmitter) and phosphatidylcholine (a structural component of cell membranes).

May 21, 2024 · Racetams, such as piracetam, are another type of nootropic. You can get these synthetic compounds over the counter in the U.S., but they’re considered prescription drugs in some …

Jun 25, 2018 · Human research has found that this smart drug helps people recover more quickly from brain injuries, but more studies are needed to understand how it might be used as a nootropic in …

On the whole, nootropics are safe. In a review of 165 placebo-controlled studies of 77 nootropics, no serious adverse effects occurred more frequently in the nootropic groups than the placebo...

This is the most comprehensive Nootropics list in use today. Here you’ll learn what each nootropic is, what it does, and suggested dosages.

Based on their nature and their effects, this heterogeneous group of drugs has been divided into four subgroups: classical nootropic compounds, substances increasing brain metabolism, cholinergic, …

Dec 2, 2025 · Caffeine is a widely used nootropic that stimulates the nervous system and provides several cognitive benefits. It’s been found to help increase alertness, reduce fatigue, and improve …

If you’re thinking about trying a nootropic, it’s smart to look for products that have been independently tested. And honestly, talking to your doctor, pharmacist, or a dietitian before you start is just common …

Jul 16, 2025 · Nootropics can enhance memory, improve brain fog and mental clarity, boost mood and keep you alert and awake, says Bindiya Gandhi, M.D., a double board-certified integrative and …

Aug 24, 2024 · However, caution should be taken. Some supplements should not be used if you have certain medical conditions or take certain medications. Before using any nootropic supplements, …