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High-Dose Suntheanine L-Theanine Supplements

19 products above 200 mg

19 supplements contain high-dose Suntheanine L-Theanine (above 200 mg). The highest dosage product is Suntheanine L-Theanine 125 mg at 250 mg.

Low Dose (23)High Dose (19)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
Suntheanine L-Theanine 125 mgNatural Factors Stress-Relax250 mg—
Zen TheanineAOR Advanced Orthomolecular Research Premium225 mg—
Probiotic Solutions StressGNC Probiotic Solutions200 mg—
Advanced Stress SupportThe Vitamin Shoppe200 mg—
Tranquil SleepNatural Factors Stress-Relax200 mg—
L-Theanine 200 mgGNC200 mg—
Suntheanine L-TheaninediscontinuedNatural Factors Stress-Relax200 mg—
Stress SupportGNC Preventive Nutrition200 mg—
SuntheaninediscontinuedNatural Factors Stress-Relax200 mg—
Reset & RelaxMyTrition200 mg—
L-Theanine 200 mg Double StrengthSwanson200 mg—
Double Strength L-Theanine 200 mg SuntheaninediscontinuedNOW200 mg—
WomenSense MoodFood Suntheanine & Whey ProteinNatural Factors200 mg—
Tranquil Sleep Extra StrengthdiscontinuedNatural Factors Stress-Relax200 mg—
Tranquil Sleep Advanced Fast Acting Formula 5-HTP, Suntheanine & MelatonindiscontinuedNatural Factors Stress-Relax200 mg—
Double Potency Suntheanine L-Theanine 200 mgdiscontinuedSwanson Ultra200 mg—
Suntheanine L-TheaninediscontinuedNatural Factors200 mg—
Extra Strength Tranquil SleepNatural Factors Stress-Relax200 mg—
Suntheanine L-Theanine 100 mgNatural Factors Stress-Relax200 mg—

Frequently Asked Questions

What is considered high-dose Suntheanine L-Theanine?

Based on 114 products in the NIH DSLD database, high-dose Suntheanine L-Theanine supplements contain 200+ mg.

Is high-dose Suntheanine L-Theanine safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Suntheanine L-Theanine.

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