Other ingredients
Cellulose; Diatomaceous Earth
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Signature Supplements
9 Essential Amino Acids
Capsule
Serving size2 Capsule(s)
Servings per containerNot listed
Package100 Capsule(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 2 Capsule(s)
Leucine190 mgDV not established
Lysine150 mgDV not established
Phenylalanine119 mgDV not established
Valine97 mgDV not established
Threonine97 mgDV not established
Methionine97 mgDV not established
Isoleucine97 mgDV not established
Histidine52 mgDV not established
Tryptophan22 mgDV not established
Label directions
Directions: For adults; take 2 capsules up to three times a day with or without food.
Label warnings
As a reminder discuss the supplements and medications you take with your health care providers. Warning: Pregnant or lactating women should consult a doctor before using any product. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or any allergic reaction. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or any allergic reaction.
Identity and label version
NIH label record338587
Entered into NIH DSLDSep 25, 2025
UPC / GTINNot listed
Manufacturer / distributor on labelSignature Supplements
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 338587Entered Sep 25, 2025
Leucine190 mg
Lysine150 mg
Phenylalanine119 mg
Valine97 mg
Threonine97 mg
Methionine97 mg
Isoleucine97 mg
Histidine52 mg
Tryptophan22 mg
Label warning: As a reminder discuss the supplements and medications you take with your health care providers. Warning: Pregnant or lactating women should consult a doctor before using any product. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or any allergic reaction. Discontinue use and consult your doctor if any adverse reactions occur such as gastrointestinal discomfort or any allergic reaction.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from Signature Supplements
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.