NO2 Black Muscle+Pump Sour Pixie Pump
by MRI Performance · powder · 0.74 pounds
- On the market (NIH)
- UPC 8 50008 77741 7
- DSLD label 329192
- Serving 11.3 to 22.6 g (1 scoop (11.3 g), 2 scoops (22.6 g)); amounts per 11.3 g
- 15 servings
NO2 Black Muscle+Pump Sour Pixie Pump by MRI Performance lists 12 ingredients, 5 with an amount per serving of 11.3 g, such as 125 mg of vitamin C; 7 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on June 25, 2025.
What is in NO2 Black Muscle+Pump Sour Pixie Pump?
Each row as the label prints it, per serving of 11.3 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 |
|---|---|---|---|
| Sodiumas Sodium Chloride | 40 mg | 2% | 56% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 80 mg. |
| Vitamin Cas Ascorbic Acid | 125 mg | 139% | Higher than 56% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 250 mg. |
| Pump & Feed Formula | 7,850 mg | ||
| L-Citrulline | 4,000 mg | Higher than 61% of 1,209 products listing citrulline (median 3 g). Per day at the most servings: 8 g. | |
| HydroMaxas Glycerol, Powder | 1,500 mg | ||
| Nitrosigineas Arginine Silicate Inositol | 1,000 mg | 51% of 274 products listing arginine silicate inositol give more (median 1.37 g). Per day at the most servings: 2 g. | |
| Ornithine Hydrochloride | 750 mg | Higher than 68% of 258 products listing ornithine (median 400 mg). Per day at the most servings: 1,500 mg. | |
| Agmatine Sulfate | 500 mg | 56% of 514 products listing agmatine give more (median 750 mg). Per day at the most servings: 1,000 mg. | |
| S7 N1284 | 100 mg | ||
| Green Coffee Bean Extract | in the blend, no amount given | ||
| Green Tea Extract | in the blend, no amount given | ||
| Turmeric Extract | in the blend, no amount given | ||
| Tart Cherry | in the blend, no amount given | ||
| Blueberry | in the blend, no amount given | ||
| Broccoli | in the blend, no amount given | ||
| Kale | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 329192 (entered June 25, 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; 7 ingredients sit inside a blend, so their amounts cannot be compared.
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 NO2 Black Muscle+Pump Sour Pixie Pump's, rare ingredients counting for more.
- NO2 Black Muscle+Pump Black Razzy RippedMRI Performance 13 shared, 81% alike
- NO2 Black Muscle+Pump Jacked JuiceMRI Performance 13 shared, 81% alike
- NO2 Black Muscle+Pump SwoleberryMRI Performance 13 shared, 81% alike
- Gains Candy Powered by S7Alpha Lion 7 shared, 53% alike
- Nugenix Nitric Oxide BoosterNugenix 8 shared, 49% alike
- Nitric Oxide BoosterNugenix · off the market 8 shared, 48% alike
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 and suggested use: 1 serving (1 scoop) twice a day. On training days, adhere to the serving chart below. On training days take your first serving with 4-6 oz of water on an empty stomach 0-30 minutes before a workout. Consume your second serving at least 6 hours before or after your pre-workout serving. Adjust water amount to desired consistency. As NO2 Black Muscle+Pump is highly concentrated, adhere to the below serving chart. Daily serving chart Up to 200 lbs 1 serving 1 serving (1 scoop) at least 30 minutes before eating or working out Over 200 lbs 2 servings 2 servings (2 scoops) at least 30 minutes before eating or working out Note: To maximized results, drink at least 64 ounces of water daily while using NO2 Black Muscle+Pump.
- Warnings
- Keep out of reach of children.
- Manufactured in a facility that processes milk, soy, peanut, tree nut, egg, wheat, fish, and shellfish ingredients.
- Warning: Do not exceed recommended dose listed.
- This product is not intended for use by persons under age 18, who are pregnant or lactating, or have serious medical conditions including high blood pressure and a history of cold sores, are taking prescription drugs, or have allergies to arginine, corn, or citrus fruit.
- All persons should consult a physician or your healthcare professional before using dietary supplements, as individuals may have different supplemental needs. Consumption of this product that is inconsistent with recommended usage may product adverse side effects. Discontinue use and contact a physician immediately if you experience any adverse symptoms. Discontinue use two weeks prior to surgery.
- Allergens and what it does not contain
- Free from: egg, fish, crustacean shellfish, tree nuts, wheat, peanuts, soybeans, yeast, artifcial colors, added sugar or preservatives.
- Stimulant-free Stimulants can constrict the blood vessels. Having stimulants in a NO product can be counter-productive. MRI's NO2 Black Muscle+Pump is stimulant-free so you can optimize pumps without interference.
- Storage
- Avoid storing in excessive heat, light, and moisture.
Source: label statements in DSLD label 329192.
What else is on the label?
Other ingredients: Malic Acid, Natural & Artificial Flavors, Silicon Dioxide, Citric Acid, Sucralose.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in USA with domestic & international ingredients.
How many labels does NO2 Black Muscle+Pump Sour Pixie Pump have?
2 labels are on file under this name since June 23, 2021: other sizes, label designs and reformulations. The current one leads this page.
- Label 329192 (current) Entered June 25, 2025 · on the market · 0.74 pounds · UPC 8 50008 77741 7
- Label 251089 Entered June 23, 2021 · on the market · 1.5 lbs · UPC 8 50008 77706 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names MRI Performance Medical Research Institute (distributor), Fairfield, Ohio. All MRI Performance products.