L-Tyrosine 750 mg - Extra Strength

by NOW · capsule · 90 veg capsules

  • On the market (NIH)
  • UPC 7 33739 00165 8
  • DSLD label 56821
  • Serving 1 veg capsule

L-Tyrosine 750 mg - Extra Strength by NOW lists one ingredient: 750 mg of L-tyrosine per serving of 1 veg capsule. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2016.

What is in L-Tyrosine 750 mg - Extra Strength?

Each row as the label prints it, per serving of 1 veg capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

L-Tyrosine 750 mg - Extra Strength: Supplement Facts rows against the market (DSLD label 56821, January 2026 release)
IngredientAmount% DVAmong products listing it
L-TyrosineL-Tyrosine Note: free-form750 mgTyrosine in L-Tyrosine 750 mg - Extra Strength against 1,680 products750 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.750 mg

Higher than 70% of 1,680 products listing tyrosine (median 500 mg). Per day at the most servings: 2,250 mg.

Source: NIH ODS Dietary Supplement Label Database, label 56821 (entered February 23, 2016), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 1 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Usage: Take 1 capsule 1 to 3 times daily, preferably between meals.
Warnings
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication, or have a medical condition. Persons with thyroid disease (hyperthyroidism), melanoma, or those taking MAO inhibitors or other mood altering medications should seek the advice of a physician before consuming this product.
Keep out of reach of children.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 56821.

What else is on the label?

Other ingredients: Cellulose, Rice Flour, Stearic Acid, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non-GMO; GMP QUALITY ASSURED.

How many labels does L-Tyrosine 750 mg - Extra Strength have?

3 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 56821 (current) Entered February 23, 2016 · on the market · 90 veg capsules · UPC 7 33739 00165 8
  2. Label 53396 Entered November 24, 2015 · off the market December 23, 2015 · 90 capsules · UPC 7 33739 00165 8
  3. Label 13495 Entered October 1, 2012 · off the market October 23, 2015 · 90 capsules · UPC 7 33739 00165 8

DSLD also links this label to: L-Tyrosine 750 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?