PlainVitamins

Arginine Power Super Stack

by NOW Sports · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 33739 02004 8
  • DSLD label 12854
  • Serving 3 capsules
  • 40 servings

Arginine Power Super Stack by NOW Sports lists 13 ingredients, 13 with an amount per serving of 3 capsules, such as 10 mg of vitamin B6, 600 mg of L-arginine, 100 mg of L-citrulline and 100 mg of L-norvaline. Its current label entered the NIH Dietary Supplement Label Database on August 24, 2012.

What is in Arginine Power Super Stack?

Each row as the label prints it, per serving of 3 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).

Arginine Power Super Stack: Supplement Facts rows against the market (DSLD label 12854, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: from Pyridoxine HCl)10 mg500%Vitamin B6 in Arginine Power Super Stack against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 30 mg.

L-Arginineas L-Arginine HydrochlorideL-Arginine (Form: from L-Arginine HCl)600 mgArginine in Arginine Power Super Stack against 1,455 products600 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.600 mg

Higher than 55% of 1,455 products listing arginine (median 500 mg). Per day at the most servings: 1,800 mg.

L-Citrulline100 mgCitrulline in Arginine Power Super Stack against 1,209 products0.1 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.1 g

96% of 1,209 products listing citrulline give more (median 3 g). Per day at the most servings: 0.3 g.

L-Norvaline100 mgNorvaline in Arginine Power Super Stack against 95 products100 mg per serving; the middle half of products list 100 mg to 250 mg, the median 100 mg.100 mg

48% of 95 products listing norvaline give more (median 100 mg). Per day at the most servings: 300 mg.

L-Ornithineas L-Ornithine HydrochlorideL-Ornithine (Form: from L-Ornithine HCl)200 mgOrnithine in Arginine Power Super Stack against 258 products200 mg per serving; the middle half of products list 100 mg to 900 mg, the median 400 mg.200 mg

65% of 258 products listing ornithine give more (median 400 mg). Per day at the most servings: 600 mg.

Creatine MonohydrateCreatine Monohydrate Note: micronized750 mgCreatine in Arginine Power Super Stack against 1,768 products0.75 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.0.75 g

89% of 1,768 products listing creatine give more (median 2.5 g). Per day at the most servings: 2.25 g.

Yerba Mate extract16 mgMate in Arginine Power Super Stack against 131 products16 mg per serving; the middle half of products list 50 mg to 400 mg, the median 100 mg.16 mg

98% of 131 products listing mate give more (median 100 mg). Per day at the most servings: 48 mg.

Green Tea Extractas CatechinsGreen Tea Extract (Form: 40% Catechins) PlantPart: Leaf Genus: Camellia Species: sinensis100 mgGreen Tea in Arginine Power Super Stack against 2,595 products100 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.100 mg

46% of 2,595 products listing green tea give more (median 100 mg). Per day at the most servings: 300 mg.

Guarana Standardized ExtractGuarana Standardized Extract PlantPart: Seed Genus: Paullinia Species: cupana Note: up to 11 mg of naturally occurring caffeine50 mgGuarana in Arginine Power Super Stack against 317 products50 mg per serving; the middle half of products list 50 mg to 300 mg, the median 125 mg.50 mg

71% of 317 products listing guarana give more (median 125 mg). Per day at the most servings: 150 mg.

Gymnema sylvestre extract50 mgGymnema in Arginine Power Super Stack against 444 products50 mg per serving; the middle half of products list 67 mg to 323.33 mg, the median 200 mg.50 mg

77% of 444 products listing gymnema give more (median 200 mg). Per day at the most servings: 150 mg.

Rhodiola extractas RosavinsRhodiola extract (Form: 3% Rosavins) PlantPart: root Genus: Rhodiola Species: rosea25 mgRhodiola in Arginine Power Super Stack against 945 products25 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.25 mg

90% of 945 products listing rhodiola give more (median 100 mg). Per day at the most servings: 75 mg.

CoQ105 mgCoenzyme Q-10 in Arginine Power Super Stack against 2,922 products5 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.5 mg

91% of 2,922 products listing coenzyme Q-10 give more (median 60 mg). Per day at the most servings: 15 mg.

Octacosanolas SpinachOctacosanol (Form: from Spinach) Note: (wheat-free) (1,000 mcg)1 mgOctacosanol in Arginine Power Super Stack against 186 products1,000 mcg per serving; the middle half of products list 200 mcg to 1,000 mcg, the median 200 mcg.1,000 mcg

Higher than 74% of 186 products listing octacosanol (median 200 mcg). Per day at the most servings: 3,000 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 12854 (entered August 24, 2012), 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:

  • 96% of the 1,209 products that print an amount of citrulline list more than its 0.1 g of L-citrulline (filed by NIH under citrulline) (median 3 g).
  • 48% of the 95 products that print an amount of norvaline list more than its 100 mg of L-norvaline (filed by NIH under norvaline) (median 100 mg).
  • 89% of the 1,768 products that print an amount of creatine list more than its 0.75 g of creatine (median 2.5 g).
  • 98% of the 131 products that print an amount of mate list more than its 16 mg of yerba mate extract (filed by NIH under mate) (median 100 mg).
  • 90% of the 945 products that print an amount of rhodiola list more than its 25 mg of rhodiola (median 100 mg).
  • 91% of the 2,922 products that print an amount of coenzyme Q-10 list more than its 5 mg of CoQ10 (filed by NIH under coenzyme Q-10) (median 60 mg).

The NIH database records 1 to 3 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 Arginine Power Super Stack'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: As a dietary supplement, take 3 capsules 1 to 3 times daily, depending on your training intensity, with water or your favorite beverage. Arginine Stack should be consumed on an empty stomach at least 2 hours after a meal or protein shake.
Warnings
Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
This supplement should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease. Consult physician if you have impaired kidney function or are taking any prescription medications that affect kidney function.
Keep out of reach of children.
Allergens and what it does not contain
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 12854.

What else is on the label?

Other ingredients: Gelatin, Rice Flour, Cellulose, Magnesium Stearate, Stearic Acid, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): QUALITY GMP ASSURED.

How many labels does Arginine Power Super Stack have?

One label is on file, entered on August 24, 2012.

  1. Label 12854 (current) Entered August 24, 2012 · on the market · 120 capsules · UPC 7 33739 02004 8

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, distributor), Bloomingdale, IL. All NOW Sports products.

Where next?