N-Acetyl L-Tyrosine
by NutraBio · powder · 500 grams
- On the market (NIH)
- UPC 6 49908 24111 7
- DSLD label 51026
- Serving 1 scoop
- 1428 servings
N-Acetyl L-Tyrosine by NutraBio lists one ingredient: 350 mg of N-acetyl L-tyrosine per serving of 1 scoop. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2015.
What is in N-Acetyl L-Tyrosine?
Each row as the label prints it, per serving of 1 scoop. 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| N-Acetyl L-Tyrosine | 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 51026 (entered September 25, 2015), 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 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?
6 products list the very same ingredients; the nearest amounts come first.
- N-Acetyl L-Tyrosine 350 MilligramsNutraBio same ingredients
- N-Acetyl L-Tyrosine 350 mgSwanson Premium Brand · off the market same ingredients
- N-Acetyl L-Tyrosine 350 mgSwanson same ingredients
- N-Acetyl L-TyrosineNootropics Depot same ingredients
- N-Acetyl L-Tyrosine 350 mgNutricost same ingredients
- N-Acetyl L-Tyrosine Capsules 350 mgNootropics Depot same ingredients
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
- 1 serving Mixed with 8-16 oz. Favorite Beverage 1-2x daily Suggested Use: As a dietary supplement take 1 dose (350 mg) 1-2 times daily or as directed by your physician. For maximum benefit, take up to 700 mg per day. Depending on your reaction, effective dosing can be as low as 150 mg per day. Read all label warnings prior to use.
- Warnings
- Warning: NOT INTENDED FOR USE BY PERSONS UNDER THE AGE OF 18. KEEP OUT OF THE REACH OF CHILDREN.
- If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product. Do not take in conjunction with MAO inhibitor drugs. Not for use by persons with a history of malignant melanoma or if bipolar, pregnant, suspect pregnancy, or lactating.
- Tyrosine should not be taken by those with conditions associated with increased dopamine levels such as mania and schizophrenia.
- This supplement may increase sensitivity to the effects of CNS stimulants. Caution is advised when taking tyrosine along with stimulants and dosages should be lowered accordingly.
- Allergens and what it does not contain
- Kosher, Hypoallergenic, Non-GMO, Gluten Free & BSE/TSE Free. No added sugars, salt, preservatives, salicylates, or artificial color, flavor or fragrance.
- ALLERGEN FREE ~ NON-GMO ~ GLUTEN FREE ~ BSE/TSE FREE
- NO FILLERS NO EXCIPIENTS NO ADDITIVES
- Free of Harmful Impurities
- Storage
- STORE IN A COOL DRY PLACE.
Source: label statements in DSLD label 51026.
What else is on the label?
Other ingredients: Absolutely None.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): NutraBio Since 1996; TRUELABEL Full label disclosure; OU.
How many labels does N-Acetyl L-Tyrosine have?
2 labels are on file under this name since September 25, 2015: other sizes, label designs and reformulations. The current one leads this page.
- Label 51026 (current) Entered September 25, 2015 · on the market · 500 grams · UPC 6 49908 24111 7
- Label 51025 Entered September 25, 2015 · on the market · 150 grams · UPC 6 49908 24110 0
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NutraBio Labs, Inc. (manufacturer), Middlesex, NJ . All NutraBio products.