English version in progress: interface and data are in English; some explanatory text is still in Chinese.
L-Theanine
Dr. Berg · United States · capsule · 90 Capsule(s)
Per day
| Ingredient | Per day | % DV | % of limit |
|---|---|---|---|
| Copper | 0.09 mg | 10% | 1% |
| Manganese | 9 mg | 391% | 82% |
| L-Theanine | 600 mg | — | 240% |
| Zinc | 1.2 mg | 11% | 3% |
Who's behind it
No data yet
Label source:US NIH DSLD · NIH ODS Dietary Supplement Label Database (DSLD) API v9 · US Government work (public domain) · 2026-10-26
Label ingredients (per serving)
| Ingredient | Label value | Cleaned | Data check |
|---|---|---|---|
| Zinc Zinc Amino Acid Chelate |
0.4 mg | 0.4 mg | ok |
| Copper Copper Amino Acid Chelate |
0.03 mg | 0.03 mg | ok |
| Manganese Manganese Lactate |
3 mg | 3 mg | ok |
| L-Theanine | 200 mg | 200 mg | ok |
| Proprietary Blend | 385 mg | — | excluded |
| L-Tyrosine blend | 0 NP | — | not comparable |
| Ashwagandha, Powder blend | 0 NP | — | not comparable |
| Bovine Adrenal Substance, Desiccated blend | 0 NP | — | |
| Nutritional Yeast blend | 0 NP | — | |
| Licorice, Powder blend | 0 NP | — | not comparable |
| Gelatin | — | — | |
| Microcrystalline Cellulose | — | — | |
| Magnesium Stearate | — | — |
Label data from official national databases and brand websites, as declared; not lab-verified.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.