PlainVitamins

N-Acetyl Tyrosine 350 mg

by Jarrow Formulas · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 90011 15051 0
  • DSLD label 307703
  • Serving 1 capsule
  • 120 servings

N-Acetyl Tyrosine 350 mg by Jarrow Formulas lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 5 mg of vitamin B6 and 350 mg of N-acetyl tyrosine. Its current label entered the NIH Dietary Supplement Label Database on April 23, 2024.

What is in N-Acetyl Tyrosine 350 mg?

Each row as the label prints it, per serving of 1 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).

N-Acetyl Tyrosine 350 mg: Supplement Facts rows against the market (DSLD label 307703, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine Hydrochloride5 mg294%Vitamin B6 in N-Acetyl Tyrosine 350 mg against 15,277 products5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg5 mg

51% of 15,277 products listing vitamin B6 give more (median 6 mg). Per day at the most servings: 10 mg.

N-Acetyl Tyrosine350 mgN-Acetyl Tyrosine in N-Acetyl Tyrosine 350 mg against 344 products350 mg per serving; the middle half of products list 100 mg to 500 mg, the median 250 mg.350 mg

Higher than 56% of 344 products listing N-acetyl tyrosine (median 250 mg). Per day at the most servings: 700 mg.

Source: NIH ODS Dietary Supplement Label Database, label 307703 (entered April 23, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). 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 2 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?

2 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 use: Adults take 1 capsule 1-2 times a day, preferably with juice on an empty stomach or as directed by your qualified healthcare professional.
Warnings
Warning: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication (especially MAO inhibitors) or have a medical condition (especially bipolar or a history of malignant melanoma); if adverse reactions occur, discontinue use.
Keep out of the reach of children.
Do not use if safety seal is damaged or missing.
Allergens and what it does not contain
Non-GMO Gluten free
No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 307703.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Bovine Gelatin, Magnesium Stearate, Silicon Dioxide.

How many labels does N-Acetyl Tyrosine 350 mg have?

7 labels are on file under this name since April 26, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 307703 (current) Entered April 23, 2024 · on the market · 120 capsules · UPC 7 90011 15051 0
  2. Label 243409 Entered March 25, 2021 · off the market October 15, 2021 · 120 capsules · UPC 7 90011 15051 0
  3. Label 211978 Entered December 22, 2019 · off the market January 4, 2024 · 120 capsules · UPC 7 90011 15051 0
  4. Label 201356 Entered April 25, 2019 · off the market October 23, 2019 · 120 capsules · UPC 7 90011 15051 0
  5. Label 50768 Entered September 25, 2015 · off the market February 13, 2019 · 120 capsules · UPC 7 90011 15051 0
  6. Label 29573 Entered January 24, 2014 · off the market June 1, 2015 · 120 capsules · UPC 7 90011 15051 0
  7. Label 7882 Entered April 26, 2012 · off the market June 5, 2013 · 120 capsules · UPC 7 90011 15051 0

DSLD also links this label to: N-Acetyl Tyrosine (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 Jarrow Formulas, Inc. (distributor), Sherman Oaks, CA. All Jarrow Formulas products.

Where next?