Testing of L-Theanine Supplements
4 substances tested
Products tested
This lab report applies to the following products:
- Doctor's Best L-Theanine Tension & Stress Support Suntheanine Dietary Supplement→
- Sports Research L-Theanine Double Strength Dietary Supplement→
- Fit Powders L-Theanine Powder→
- Natures Trove L-Theanine 200 mg Plastic Bottle→
- Jarrow Formulas Theanine 200→
- GNC L-Theanine 200mg→
- Life Extension L-Theanine Non-GMO Gluten-Free Vegetarian Capsules→
- Healthy Origins Alphawave L-Theanine Veggie Caps→
- Solgar L-Theanine Non-GMO→
Report details
- Lab
- ConsumerLab.com
- Status
- complete
Test results
Contaminants detected (4)
| Substance | Amount | Unit | Status | Limit / guideline |
|---|---|---|---|---|
| Lead | — | ng/g | not detected | Legal: 0.015 ng/g / Guideline: 0.0038 ng/g |
| Arsenic | — | mg/L | not detected | Legal: 0.01 mg/L / Guideline: 0.000004 mg/L |
| Cadmium | — | mg/L | not detected | Legal: 0.005 mg/L / Guideline: 0.00004 mg/L |
| Mercury | — | mg/L | not detected | Legal: 0.02 mg/L / Guideline: 0.000002 mg/L |
Original report
View the full lab report document (PDF) for complete details.
View raw lab report (PDF)