L-Lysine Powder 960 mg
by Carlson · powder · 3.53 ounces
- On the market (NIH)
- UPC 0 88395 06885 0
- DSLD label 337537
- Serving 1.2 g (1/2 teaspoon, enclosed 1 level scoop)
- 83 servings
L-Lysine Powder 960 mg by Carlson lists one ingredient: 960 mg of L-lysine per serving of 1.2 g. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.
What is in L-Lysine Powder 960 mg?
Each row as the label prints it, per serving of 1.2 g. 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 |
|---|---|---|---|
| L-Lysineas L-Lysine Hydrochloride | 960 mg | Higher than 75% of 1,250 products listing lysine (median 500 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 337537 (entered August 22, 2025), 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 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.
- L-Lysine Amino Acid PowderCarlson · off the market same ingredients
- L-Lysine PowderCarlson · off the market same ingredients
- Maximum Strength L-Lysine Viraguard 1000 mgVitamin World · off the market same ingredients
- L-Lysine 1000GNC · off the market same ingredients
- L-Lysine 1000 mgSundown Naturals same ingredients
- L-Lysine 1,000 mgPhysician's Preference · off the market 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
- Directions: Adults: take 1/2 teaspoonful (one level scoopful) daily mixed into food or liquid.
- Warnings
- Warning: Pregnant or lactating women or those with kidney problems should consult with their doctor before using this product.
- Allergens and what it does not contain
- Gluten-free Milk/casein-free
- Storage
- This product is sold by weight not volume.
- Keep bottle tightly closed. Store away from heat and moisture.
Source: label statements in DSLD label 337537.
How many labels does L-Lysine Powder 960 mg have?
2 labels are on file under this name since January 22, 2021: other sizes, label designs and reformulations. The current one leads this page.
- Label 337537 (current) Entered August 22, 2025 · on the market · 3.53 ounces · UPC 0 88395 06885 0
- Label 241777 Entered January 22, 2021 · on the market · 3.53 ounces · UPC 0 88395 06885 0
DSLD also links this label to: L-Glutamine Powder (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 Carlson Division of J.R. Carlson Laboratories, Inc. (distributor), Lincolnshire, IL. All Carlson products.