Dietary Supplement Label Database

L-Tyrosine Powder

On market
Photo of the Source Naturals L-Tyrosine Powder label
Photo of the label, from the NIH's original record · Open full size ↗
Supplement Facts
Serving Size 0.67 Gram(s)
Servings Per Container 149
Amount Per Serving% Daily Value
L-Tyrosine660 mg†
† Daily Value not established.

% Daily Values for: Adults and children 4 or more years of age.

Where this label comes from

An original label of the NIH's Dietary Supplement Label Database, entered there on 22 November 2022, shown here as it was entered. The NIH's record · picture of the label (PDF)

General information

Product name
L-Tyrosine Powder
Brand
Source Naturals
Barcode (UPC)
0 21078 00187 4
Net contents
3.53 Ounce(s); 100 Gram(s)
Market status
On market
DSLD ID
274814

Classification

Supplement form
Powder
Product type
Amino acid/Protein
Claim types on the label
Nutrient, All Other, Structure/Function
Intended for
Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free

Label statements

FDA Statement of Identity: Amino Acid Supplement

Formula: Contains: L-Tyrosine is a free-form amino acid which crosses the blood-brain barrier. It is a precursor for the neurotransmitters dopamine, norepinephrine, and epinephrine, as well as for thyroid hormones and enkephalins, important peptides which ease messages of physical discomfort. L-Tyrosine is also a constituent of amino sugars (glycosaminoglycans), which play a role in numerous biological functions.

Directions: Suggested Use: 1/4 teaspoon daily, mixed with water or juice between meals.

Precautions: Pregnant or Nursing or Prescription Medications: Not to be used with MAO inhibitor drugs. If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Precautions: All Other: Do not use if either tamper-evident seal is broken or missing.

Precautions: Children: Keep out of the reach of children.

Formulation: Does NOT Contain: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Precautions: All Other: Warning: Contains tyrosine.

Brand information

Manufactured for: Source Naturals, Inc., Santa Cruz, CA

Labels only: each label is shown as printed on the bottle, with no grades, rankings or advice. A label in this database is not an endorsement of the product. Read the label on the bottle you buy: makers change their formulas. Reverse Age Lab is not affiliated with, or endorsed by, the National Institutes of Health or its Office of Dietary Supplements. The original labels come from the NIH’s public-domain data; the labels since are read by us. Search the Dietary Supplement Label Database.