Non-Nutrient/Non-Botanical

L-Theanine 200 mg

by Nature's Lab · Capsule

Supplement facts from the label of L-Theanine 200 mg by Nature's Lab: L-Theanine 200 mg.

Label of L-Theanine 200 mg, Nature's Lab
Label image: NIH DSLD · full label (PDF)
Serving size1 Capsule(s)
Servings per container60
Most servings a day on the label1
TypeNon-Nutrient/Non-Botanical
Barcode818014014025
Label recordDSLD 334720 · entered 2025-09-25

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
L-Theanine200 mg——

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Adult (18 - 50 Years) · Gluten Free · Dairy Free · Sugar Free

Claim types: Nutrient · All Other · Structure/Function

Formula re: Contains: L-theanine is an amino acid found primarily in certain plant species and is a constituent of green tea. L-theanine works to support mental calmness and relaxation without producing drowsiness by blocking excitatory stimuli receptors to the brain. L-Theanine may also help regulate blood pressure within normal limits and promote healthy cognitive function.

FDA Disclaimer Statement: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Precautions re: Pregnant or Nursing or Prescription Medications: Warnings: Pregnant or lactating women and people with known medical conditions and/or taking drugs should consult with a qualified healthcare practitioner prior to taking dietary supplements.

Formula re: Contains: L-Theanine 200 mg per serving

Formulation re: Other: Supports mental calmness

Suggested/Recommended/Usage/Directions: Suggested Use: As a dietary supplement, take 1 capsule one time daily, preferably with a meal, or as directed by a qualified healthcare practitioner.

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).