Nitric Oxide Pre-Sport With L-Citrulline

by Irwin Naturals · softgel capsule · 60 liquid softgels

  • On the market (NIH)
  • UPC 7 10363 58486 3
  • DSLD label 58545
  • Serving 2 liquid softgels
  • 30 servings

Nitric Oxide Pre-Sport With L-Citrulline by Irwin Naturals lists 10 ingredients, 8 with an amount per serving of 2 liquid softgels, such as 1,000 mg of medium chain triglyceride (MCT) oil, 750 mg of L-citrulline, 60 mg of beet powder and 50 mg of L-theanine; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on April 22, 2016.

What is in Nitric Oxide Pre-Sport With L-Citrulline?

Each row as the label prints it, per serving of 2 liquid softgels. 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).

Nitric Oxide Pre-Sport With L-Citrulline: Supplement Facts rows against the market (DSLD label 58545, January 2026 release)
IngredientAmount% DVAmong products listing it
Medium Chain Triglyceride (MCT) Oil1,000 mgMedium Chain Triglycerides in Nitric Oxide Pre-Sport With L-Citrulline against 559 products1 g per serving; the middle half of products list 0.5 g to 5 g, the median 1.5 g.1 g

58% of 559 products listing medium chain triglycerides give more (median 1.5 g). Per day at the most servings: 2 g.

L-Citrulline750 mgCitrulline in Nitric Oxide Pre-Sport With L-Citrulline against 1,209 products0.75 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.75 g

83% of 1,209 products listing citrulline give more (median 3 g). Per day at the most servings: 1.5 g.

Beet powder60 mgBeet in Nitric Oxide Pre-Sport With L-Citrulline against 850 products60 mg per serving; the middle half of products list 10.63 mg to 500 mg, the median 100 mg.60 mg

58% of 850 products listing beet give more (median 100 mg). Per day at the most servings: 120 mg.

L-Theanine50 mgTheanine in Nitric Oxide Pre-Sport With L-Citrulline against 1,602 products50 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.50 mg

79% of 1,602 products listing theanine give more (median 100 mg). Per day at the most servings: 100 mg.

Ginkgo extractas Flavone Glycosides, Terpene LactonesGinkgo extract (Form: 24% Flavone Glycosides, 6% Terpene Lactones) PlantPart: leaf Genus: Ginkgo40 mgGinkgo in Nitric Oxide Pre-Sport With L-Citrulline against 1,339 products40 mg per serving; the middle half of products list 30 mg to 120 mg, the median 60 mg.40 mg

68% of 1,339 products listing ginkgo give more (median 60 mg). Per day at the most servings: 80 mg.

Cayenne powderCayenne powder PlantPart: fruit Note: 30,000 SHU30 mgCapsicum in Nitric Oxide Pre-Sport With L-Citrulline against 874 products30 mg per serving; the middle half of products list 25 mg to 100 mg, the median 44.5 mg.30 mg

57% of 874 products listing capsicum give more (median 44.5 mg). Per day at the most servings: 60 mg.

Mate (Yerba Mate) powder20 mgMate in Nitric Oxide Pre-Sport With L-Citrulline against 131 products20 mg per serving; the middle half of products list 50 mg to 400 mg, the median 100 mg.20 mg

95% of 131 products listing mate give more (median 100 mg). Per day at the most servings: 40 mg.

Asian Ginseng extractas GinsenosidesAsian Ginseng extract (Form: 80% Ginsenosides) PlantPart: root Species: Ginseng15.62 mgOriental Ginseng in Nitric Oxide Pre-Sport With L-Citrulline against 706 products15.62 mg per serving; the middle half of products list 30 mg to 200 mg, the median 90 mg.15.62 mg

92% of 706 products listing oriental ginseng give more (median 90 mg). Per day at the most servings: 31.24 mg.

BioPerine Complex3 mg
Bioperine Black Pepper extractas PiperineBioperine Black Pepper extract (Form: 95% Piperine) PlantPart: fruitin the blend, no amount given
Ginger extractas GingerolsGinger extract (Form: 5% Gingerols) PlantPart: rhizomein the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 58545 (entered April 22, 2016), 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?

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:

  • 79% of the 1,602 products that print an amount of theanine list more than its 50 mg of L-theanine (filed by NIH under theanine) (median 100 mg).
  • 95% of the 131 products that print an amount of mate list more than its 20 mg of mate (median 100 mg).
  • 92% of the 706 products that print an amount of oriental ginseng list more than its 15.62 mg of asian ginseng extract (filed by NIH under oriental ginseng) (median 90 mg).

The NIH database records 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 Nitric Oxide Pre-Sport With L-Citrulline'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
Directions: (Adult) Take two (2) Liquid Soft-Gels twice per day with a meal. For a more immediate effect, take four (4) Liquid Soft-Gels one hour before activity.
Warnings
Usage Warnings: Do not use if safety seal is broken. This product contains ingredients that may affect blood pressure and/or heart conditions.
Check with your doctor before using this product and engaging in activity, if you are using medication or have any medical conditions, including heart disease or high blood pressure.
Individuals with low blood pressure should not take this product. Do not exceed 90 days of continuous use of this product without a two (2) week break.
Do not use if you may become pregnant, are pregnant or nursing.
Do not exceed recommended daily intake.
Not intended for use by persons under 18. KEEP OUT OF REACH OF CHILDREN.
WARNING: (State of California Prop 65) This product contains a chemical known to the State of California to cause birth defects and other reproductive harm.
Do not exceed four (4) Liquid Soft-Gels per day.
Contains: Soy, Tree Nuts (Coconut, Palm Kernel)
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 58545.

What else is on the label?

Other ingredients: Gelatin, purified Water, Glycerin, Beeswax, Soy Lecithin, Caramel color, Annatto, Silicon Dioxide, St. John's Bread, Titanium Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): QUALITY TESTED ~ GUARANTEED PASS.

How many labels does Nitric Oxide Pre-Sport With L-Citrulline have?

One label is on file, entered on April 22, 2016.

  1. Label 58545 (current) Entered April 22, 2016 · on the market · 60 liquid softgels · UPC 7 10363 58486 3

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Irwin Naturals (manufacturer, distributor), Los Angeles, CA. All Irwin Naturals products.

Where next?