DOSINA

Theanine

Supplement

An Amino acid that is structural similar to Glutamine. Most report it as a relaxing agent without much sedation. Most commonly found tea. Usually mixed with Caffeine.

L-TheanineL-γ-glutamylethylamide and N5-ethyl-L-glutamine

Dose and effect data: PsychonautWiki (CC BY-SA 4.0) and TripSit (PolyForm Noncommercial 1.0.0). Prescription or supplement entry — included for interaction checking, not as recreational dose guidance. Less-used substance: fewer independent sources, so treat these numbers with extra caution.

Before you dose

⚠This substance's dose is not reliably weight-scaled - the ranges shown are population figures. Sensitivity varies far more between people than body mass explains.

Dose

Published population range

Threshold50 mg
Light75–175 mg
Common175–300 mg
Strong300–500 mg
Heavy / risk zone≥ 500 mg

No weight-based model for this substance — published ranges only.

Check an amount you already have

Timeline (oral)

Onset30–90 minutes
Peak60–180 minutes
Total180–360 minutes

Bars show relative time in each phase, scaled to the total duration. Each phase keeps its colour in the list above.

Expected effects

  • Calm alertness
  • Mild anxiolysis

Possible side effects

  • Generally very well tolerated
  • Drowsiness in some people

Known toxicity

  • extremely low toxicity

Harm reduction

  • Supplements are not risk-free. St John's Wort, 5-HTP, MAO-B and MAO-A inhibitors interact seriously with recreational drugs.
  • Never take 5-HTP at the same time as MDMA or other serotonin releasers - the combination is implicated in serotonin syndrome. At most it is used in the days after, and even that is debated.
  • Melatonin and L-theanine are sedating; that is fine for sleep but adds to depressant load if you have been drinking.
  • Dose information here reflects general-use amounts from the sources, not an endorsement of using them in combination with other drugs.

Tolerance, dependence and detection

Tolerancehalf tolerance after 5 days; back to baseline after 10 days
Addiction potentialnot habit-forming
After-effects1-2

Sources

• PsychonautWiki — Theanine (CC BY-SA 4.0)
https://psychonautwiki.org/wiki/Theanine

• TripSit wiki — Theanine (PolyForm Noncommercial)
https://wiki.tripsit.me

Dosina is educational harm-reduction information, not medical advice. Doses are population ranges from published sources and cannot account for your tolerance, health conditions or what is actually in your substance. Possession and use may be illegal where you live.