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teanina

theanine

Sections:

  • Entire Monograph
  • Reported Uses
  • Reported Doses
  • Cautions
  • Drug Interactions
  • Adverse Reactions
  • Synonyms
  • Other Info
  • Add to Interaction Check

Reported Doses

Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies with variable regimens, multi-ingredient products, or where concentration of active ingredients may vary widely

Effectiveness Ratings

[see Herb & Supplement Effectiveness Rating Definitions table]

ADHD, peds patients

[Insufficient Evidence]
Dose: 2.5 mg/kg/dose PO x1; Alt: 200 mg PO bid in patients 8-12 yo

anxiety

[Insufficient Evidence]
Dose: 200 mg PO qd

attention

[Insufficient Evidence]
Dose: 100-400 mg PO x1; Info: used with or without caffeine

cognitive decline, age-related

[Insufficient Evidence]
Dose: 101 mg PO x1

cognitive function

[Possibly Effective]
Dose: 100 mg PO x1; Alt: 200 mg PO qd

cognitive impairment

[Insufficient Evidence]
Dose: 120 mg PO bid; Info: give after meals

depression

[Insufficient Evidence]
Dose: 250 mg PO qhs; Alt: 200 mg PO qd; Info: used with or without sertraline

diarrhea, chemo-related

[Insufficient Evidence]
Dose: 280 mg PO qd; Start: 1wk before chemo tx

influenza

[Insufficient Evidence]
Dose: 210 mg PO qd; Info: used with green tea catechins

insomnia

[Insufficient Evidence]
Dose: 50 mg PO qhs given 60min before desired bedtime; Alt: 50 mg PO x1 given 10min before desired bedtime; 200 mg PO qhs given 120min before desired bedtime

obsessive-compulsive disorder

[Insufficient Evidence]
Dose: 100 mg PO bid; Info used with fluvoxamine

postop recovery

[Insufficient Evidence]
Dose: 280 mg PO qd; Start: 4 days before surgery; Info: used with cystine

schizophrenia

[Insufficient Evidence]
Dose: 200 mg PO bid; Alt: 400 mg PO qd; Info: used with antipsychotic tx; used with or without pregnenolone

stress

[Insufficient Evidence]
Dose: 200 mg PO x1; Alt: 200 mg PO bid; 50 mg PO qam

Tourette syndrome, peds patients

[Insufficient Evidence]
Dose: 200 mg PO qd; Info: for patients 4-17 yo

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