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teanina
theanine
Reported Doses
Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies w/ 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 pts
- [Insufficient Evidence]
- Dose: 2.5 mg/kg/dose PO x1; Alt: 200 mg PO bid in pts 8-12 yo
anxiety
- [Insufficient Evidence]
- Dose: 200 mg PO qd
attention
- [Insufficient Evidence]
- Dose: 100-400 mg PO x1; Info: used w/ or w/o 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 w/ or w/o 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 w/ 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 w/ fluvoxamine
postop recovery
- [Insufficient Evidence]
- Dose: 280 mg PO qd; Start: 4 days before surgery; Info: used w/ cystine
schizophrenia
- [Insufficient Evidence]
- Dose: 200 mg PO bid; Alt: 400 mg PO qd; Info: used w/ antipsychotic tx; used w/ or w/o pregnenolone
stress
- [Insufficient Evidence]
- Dose: 200 mg PO x1; Alt: 200 mg PO bid; 50 mg PO qam
Tourette syndrome, peds pts
- [Insufficient Evidence]
- Dose: 200 mg PO qd; Info: for pts 4-17 yo
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