Mo

For L-theanine, typical daily amounts range from 100–400 mg, usually split; match the dose to your goal and sensitivity.

Most adults do well with 100–400 mg of L-theanine per day, with many labels centering near 200–250 mg.

Most adults start with 5 grams once or twice daily of L-glutamine powder; higher, medical doses need clinician guidance.

Krill oil dosing for ADHD centers on EPA+DHA; trials test about 500–2,000 mg per day, with benefits modest and person-specific.

Adults need about 38 mg of L-lysine per kg daily; a 70-kg person lands near 2.7 g, with higher targets during pregnancy.

For safe L-theanine intake, most adults use 100–400 mg daily; stay below 1,200 mg unless your clinician advises otherwise.

Most adults take 100–400 mg of L-theanine per day; short studies tested up to 900 mg, but stick to the lowest dose that meets your goal.

A single L-theanine dose is typically 100–200 mg; some trials use 200–400 mg, and no official upper limit exists for healthy adults.

For shingles, there’s no set L-lysine dose; medical care relies on antivirals—see a doctor promptly before trying supplements.