100-400 MICROgrams of l-theanine

You are correct! The appropriate dosage of L-Theanine, as mentioned by Andrew Huberman, ranges from 100 to 400 milligrams. This dosage is effective for promoting better sleep quality and reducing the jitteriness from caffeine intake, allowing for a more balanced alertness without significant side effects 1 2.

It's important to note that individual responses to these supplements can vary, so adjustments may be necessary to find what works best for you. Some individuals may experience vivid dreams when taking L-Theanine, prompting them to lower the dose or skip it entirely if it disrupts their sleep 1.