L-Theanine

Advantages of Suntheanine^® compared to other stress reducing supplents in the market

Suntheanine^® is emerging as the choice for dietary supplement stress management. Reasons for this are clear:

Points of Comparison	L-Theanine	Kava-kava	Valerian	St. John’s Wort
Use	relaxation, stress, mental acuity, PMS, learning performance	relaxation, stress	relaxation, stress	relaxation, stress
Dosage	50 – 200 mg	100 – 200 mg (70%kavalactones)	2 – 3 grams (1 – 3 times/day)	2 – 4 grams
Reaction Time	30 – 40 min.	40 – 60 min.	1 – 3 hours	continued use over several days
Cautions	none	adversely effects judgement and reflexes when driving; yellowing of hair, skin and nails; enlargement of pupils	promotes sleep and drowsiness; potential liver damage; may interfere with cognitive or motor function; may prolong sedation	photosensitization banned for use in France
Duration of Administration	not limited	not more than 3 months without medical advice	not limited	not limited
Drug Interaction	None known	contraindicted with alcohol, barbiturates, psychopharmaceuticals, tranquilizers (including alprazolam, diazapam	tranquilizers (including alprazolam, diazepam), sedatives, alcohol, analgesics, anesthetics	estrogen (birth control), cyclosporine, indinavir, warfarin, theophylline (anti-asthma), and certain prescribed drugs for heart disease, cancer, depression, seizures
Purity / Quality	>99%	variable	variable	variable