PlainVitamins

L-Citrulline 750 mg

by NOW · capsule · 180 veg capsules

  • On the market (NIH)
  • UPC 7 33739 00103 0
  • DSLD label 314416
  • Serving 1 to 2 veg capsules; amounts per 2 veg capsules
  • 90 servings

L-Citrulline 750 mg by NOW lists 2 ingredients, 2 with an amount per serving of 2 veg capsules, such as 36 mg of calcium and 1,500 mg of L-citrulline. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2024.

What is in L-Citrulline 750 mg?

Each row as the label prints it, per serving of 2 veg capsules. 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-Citrulline 750 mg: Supplement Facts rows against the market (DSLD label 314416, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Calcium Carbonate36 mg3%Calcium in L-Citrulline 750 mg against 17,831 products36 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg36 mg

82% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 72 mg.

L-Citrulline1.5 g1,500 mgCitrulline in L-Citrulline 750 mg against 1,209 products1.5 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.1.5 g

68% of 1,209 products listing citrulline give more (median 3 g). Per day at the most servings: 3 g.

Source: NIH ODS Dietary Supplement Label Database, label 314416 (entered July 25, 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?

The products whose ingredient lists overlap most with L-Citrulline 750 mg's, rare ingredients counting for more.

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 1-2 capsules 1 to 2 times daily between meals.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication (especially blood pressure medications and nitrates or other vasodilating drugs), or have a medical condition (especially abnormal blood pressure).
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
Non-GMO
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 314416.

What else is on the label?

Other ingredients: Hypromellose, Magnesium Oxide, Stearic Acid.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Triangle K (Kosher); GMP Quality Assured.

How many labels does L-Citrulline 750 mg have?

10 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 314416 (current) Entered July 25, 2024 · on the market · 180 veg capsules · UPC 7 33739 00103 0
  2. Label 244363 Entered February 25, 2021 · on the market · 90 veg capsules · UPC 7 33739 00083 5
  3. Label 70144 Entered January 25, 2017 · off the market February 12, 2024 · 180 veg capsules · UPC 7 33739 00103 0
  4. Label 70118 Entered January 25, 2017 · off the market August 4, 2023 · 90 veg capsules · UPC 7 33739 00083 5
  5. Label 55097 Entered January 25, 2016 · off the market November 30, 2016 · 180 veg capsules · UPC 7 33739 00103 0
  6. Label 53291 Entered November 24, 2015 · off the market November 30, 2016 · 90 veg capsules · UPC 7 33739 00083 5
  7. Label 42727 Entered March 25, 2015 · off the market November 24, 2015 · 180 veg capsules · UPC 7 33739 00103 0
  8. Label 41354 Entered January 23, 2015 · off the market October 23, 2015 · 90 veg capsules · UPC 7 33739 00083 5
  9. Label 13383 Entered October 1, 2012 · off the market February 16, 2015 · 180 capsules · UPC 7 33739 00103 0
  10. Label 13376 Entered October 1, 2012 · off the market January 8, 2015 · 90 capsules · UPC 7 33739 00083 5

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?