DL-Phenylalanine 750 mg
by DaVinci Laboratories · capsule · 60 capsules
- On the market (NIH)
- UPC 0 26664 22886 4
- DSLD label 303879
- Serving 1 capsule
- 60 servings
DL-Phenylalanine 750 mg by DaVinci Laboratories lists one ingredient: 750 mcg of DL-phenylalanine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2023.
What is in DL-Phenylalanine 750 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| DL-Phenylalanine | 750 mcg | 99% of 155 products listing DL-phenylalanine give more (median 300 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 303879 (entered November 22, 2023), 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?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 99% of the 155 products that print an amount of DL-phenylalanine list more than its 0.75 mg of DL-phenylalanine (median 300 mg).
The NIH database records one serving 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.
- DL-PhenylalaninePureBulk.com same ingredients
- DLPA 500 mgVitamin World same ingredients
- DL-Phenylalanine 500 mgGood 'N Natural · off the market same ingredients
- D,L-Phenylalanine 500 mgMartin Avenue Pharmacy same ingredients
- DL-Phenylalanine 500 mgIntensive Nutrition same ingredients
- DL-PheineDouglas Laboratories 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
- Suggested Use: As a dietary supplement, take 1 capsule with a meal, or as directed by your healthcare practitioner.
- Warnings
- Warning: Individuals with PKU (phenylketonuria) or who are pregnant or nursing should not use this product.
- Keep out of reach of children.
- A Dietary Supplement to Support Pain Management and Proper Mood Balance
- To obtain product information or report a serious adverse event, call 1-800-325-1776.
- Allergens and what it does not contain
- Vegetarian / Gluten free
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 303879.
What else is on the label?
Other ingredients: Cellulose, vegetarian Leucine, Silicon Dioxide.
How many labels does DL-Phenylalanine 750 mg have?
2 labels are on file under this name since November 22, 2023: other sizes, label designs and reformulations. The current one leads this page.
- Label 318955 Entered September 25, 2024 · off the market July 17, 2023 · 60 capsules · UPC 0 26664 22886 4
- Label 303879 (current) Entered November 22, 2023 · on the market · 60 capsules · UPC 0 26664 22886 4
DSLD also links this label to: DL-Phenylalanine (image difference, same product), DL-Phenylalanine (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 DaVinci Laboratories a division of FoodScience LLC (distributor), Williston, VT. All DaVinci Laboratories products.