Dr. Berg L-Theanine product packaging

Image: NIH Office of Dietary Supplements, Dietary Supplement Label DatabaseNo separate image reuse license stated

Dr. Berg

L-Theanine

Capsule

Serving size1 Capsule(s)
Servings per containerNot listed
Package90 Capsule(s)
Data retrievedJul 28, 2026

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Supplement Facts

Serving size 1 Capsule(s)

Zinc0.4 mg4% DV
Copper0.03 mg3% DV
Manganese3 mg130% DV
L-Theanine200 mgDV not established
Proprietary Blend385 mgDV not established
L-TyrosineNot listedDV not established
Ashwagandha; PowderNot listedDV not established
Bovine Adrenal Substance; DesiccatedNot listedDV not established
Nutritional YeastNot listedDV not established
Licorice; PowderNot listedDV not established

Other ingredients

Gelatin; Microcrystalline Cellulose; Magnesium Stearate (Mg Stearate)

Label directions

Suggested use: As a dietary supplement; take 1 capsule; with meals; 3 times per day.

Label warnings

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing. Pregnant or nursing mothers children under the age of 18 and individuals with known medical conditions should consult a physician before using this or any dietary supplement. Pregnant or nursing mothers children under the age of 18 and individuals with known medical conditions should consult a physician before using this or any dietary supplement.

Identity and label version

NIH label record337162
Entered into NIH DSLDJul 24, 2025
UPC / GTINNot listed
Manufacturer / distributor on labelDr. Berg Nutritionals
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.

NIH label history (1)

Current labelNIH record 337162Entered Jul 24, 2025
Serving size1 Capsule(s)
Formula version1899ff40
Ingredients on label10
NIH sourceOpen label ↗
Zinc0.4 mg
Copper0.03 mg
Manganese3 mg
L-Theanine200 mg
Proprietary Blend385 mg
L-TyrosineNot listed
Ashwagandha; PowderNot listed
Bovine Adrenal Substance; DesiccatedNot listed
Nutritional YeastNot listed
Licorice; PowderNot listed

Label warning: Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing. Pregnant or nursing mothers children under the age of 18 and individuals with known medical conditions should consult a physician before using this or any dietary supplement. Pregnant or nursing mothers children under the age of 18 and individuals with known medical conditions should consult a physician before using this or any dietary supplement.

Sources and traceability

  • NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026
    Open source ↗

More from Dr. Berg

Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.