PlainVitamins

Muscle Infusion Chocolate Peanut Butter Crunch

by Nutrex Research Black Series · powder · 5 lbs

  • On the market (NIH)
  • UPC 8 57268 00571 7
  • DSLD label 176288
  • Serving 36 to 72 g (1-2 scoops); amounts per 36 g
  • 63 servings

Muscle Infusion Chocolate Peanut Butter Crunch by Nutrex Research Black Series lists 20 ingredients, 20 with an amount per serving of 36 g, such as 127 mg of calcium and 1 mg of iron, beside 7 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 31, 2018.

What is in Muscle Infusion Chocolate Peanut Butter Crunch?

Each row as the label prints it, per serving of 36 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).

Muscle Infusion Chocolate Peanut Butter Crunch: Supplement Facts rows against the market (DSLD label 176288, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories160 Calories
Calories from Fat25 Calories
Total Fat3 g5%Fat (unspecified) in Muscle Infusion Chocolate Peanut Butter Crunch against 11,965 products3 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.3 g

Higher than 76% of 11,965 products listing fat (unspecified) (median 1.5 g).

Saturated Fat1 g5%Saturated fat in Muscle Infusion Chocolate Peanut Butter Crunch against 5,234 products1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1 g

34% of 5,234 products listing saturated fat give more (median 1 g).

Cholesterol65 mg22%Cholesterol in Muscle Infusion Chocolate Peanut Butter Crunch against 5,275 products65 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.65 mg

Higher than 87% of 5,275 products listing cholesterol (median 15 mg).

Total Carbohydrates7 g2%Carbohydrate in Muscle Infusion Chocolate Peanut Butter Crunch against 21,979 products7 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.7 g

Higher than 79% of 21,979 products listing carbohydrate (median 3 g).

Dietary Fiber1 g4%Fiber in Muscle Infusion Chocolate Peanut Butter Crunch against 6,987 products1 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1 g

56% of 6,987 products listing fiber give more (median 2 g).

Sugar2 gSugar in Muscle Infusion Chocolate Peanut Butter Crunch against 11,807 products2 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.2 g

48% of 11,807 products listing sugar give more (median 2 g).

Protein25 g50%Protein in Muscle Infusion Chocolate Peanut Butter Crunch against 8,985 products25 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.25 g

Higher than 77% of 8,985 products listing protein (median 16 g).

Calcium127 mg13%Calcium in Muscle Infusion Chocolate Peanut Butter Crunch against 17,831 products127 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg127 mg

Higher than 54% of 17,831 products listing calcium (median 115 mg).

Iron1 mg4%Iron in Muscle Infusion Chocolate Peanut Butter Crunch against 6,910 products1 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg1 mg

76% of 6,910 products listing iron give more (median 5 mg).

Amino Acidsno amount given
L-Alanine1,079 mgAlanine in Muscle Infusion Chocolate Peanut Butter Crunch against 475 products1,079 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.1,079 mg

Higher than 84% of 475 products listing alanine (median 483 mg).

L-Arginine637 mgArginine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,455 products637 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.637 mg

Higher than 57% of 1,455 products listing arginine (median 500 mg).

L-Aspartic Acid2,522 mgAspartic Acid in Muscle Infusion Chocolate Peanut Butter Crunch against 377 products2,522 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.2,522 mg

Higher than 88% of 377 products listing aspartic acid (median 337 mg).

Alpha-Glucan Oligosaccharide601 mgAlpha Glucans in Muscle Infusion Chocolate Peanut Butter Crunch against 73 products601 mg per serving; the middle half of products list 27.5 mg to 480 mg, the median 138.2 mg.601 mg

Higher than 85% of 73 products listing alpha glucans (median 138.2 mg).

L-Glutamic Acid4,000 mgGlutamic Acid in Muscle Infusion Chocolate Peanut Butter Crunch against 697 products4,000 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.4,000 mg

Higher than 94% of 697 products listing glutamic acid (median 80 mg).

L-Glycine420 mgGlycine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,078 products420 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.420 mg

Higher than 58% of 1,078 products listing glycine (median 300 mg).

L-HistidineL-Histidine Note: Essential Amino Acid342 mgHistidine in Muscle Infusion Chocolate Peanut Butter Crunch against 591 products342 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.342 mg

Higher than 67% of 591 products listing histidine (median 125 mg).

L-IsoleucineL-Isoleucine Note: essential amino acid1,412 mgIsoleucine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,614 products1.41 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.1.41 g

Higher than 68% of 1,614 products listing isoleucine (median 1.23 g).

L-LeucineL-Leucine Note: essential amino acid2,380 mgLeucine in Muscle Infusion Chocolate Peanut Butter Crunch against 2,056 products2.38 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.2.38 g

56% of 2,056 products listing leucine give more (median 2.5 g).

L-LysineL-Lysine Note: Essential Amino Acid2,245 mgLysine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,250 products2,245 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.2,245 mg

Higher than 97% of 1,250 products listing lysine (median 500 mg).

L-MethionineL-Methionine Note: essential amino acid552 mgMETHIONINE in Muscle Infusion Chocolate Peanut Butter Crunch against 981 products552 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.552 mg

Higher than 93% of 981 products listing METHIONINE (median 100 mg).

L-PhenylalanineL-Phenylalanine Note: Essential Amino Acid688 mgPhenylalanine in Muscle Infusion Chocolate Peanut Butter Crunch against 611 products688 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.688 mg

Higher than 80% of 611 products listing phenylalanine (median 250 mg).

L-Proline1,472 mgProline in Muscle Infusion Chocolate Peanut Butter Crunch against 387 products1,472 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.1,472 mg

Higher than 84% of 387 products listing proline (median 487.5 mg).

L-Serine1,278 mgSerine in Muscle Infusion Chocolate Peanut Butter Crunch against 314 products1,278 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.1,278 mg

Higher than 86% of 314 products listing serine (median 408 mg).

L-ThreonineL-Threonine Note: Essential Amino Acid1,740 mgTHREONINE in Muscle Infusion Chocolate Peanut Butter Crunch against 590 products1,740 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.1,740 mg

Higher than 94% of 590 products listing THREONINE (median 500 mg).

L-TryptophanL-Tryptophan Note: essential amino acid370 mgTryptophan in Muscle Infusion Chocolate Peanut Butter Crunch against 605 products370 mg per serving; the middle half of products list 55 mg to 471 mg, the median 123 mg.370 mg

Higher than 69% of 605 products listing tryptophan (median 123 mg).

L-Tyrosine659 mgTyrosine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,680 products659 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.659 mg

Higher than 68% of 1,680 products listing tyrosine (median 500 mg).

L-ValineL-Valine Note: essential amino acid1,294 mgValine in Muscle Infusion Chocolate Peanut Butter Crunch against 1,632 products1.29 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.1.29 g

Higher than 65% of 1,632 products listing valine (median 1.25 g).

Source: NIH ODS Dietary Supplement Label Database, label 176288 (entered August 31, 2018), 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:

  • Its 4,000 mg of L-glutamic acid (filed by NIH under glutamic acid) is higher than 94% of the 697 glutamic acid products that print an amount; 39 list more.
  • Its 2,245 mg of L-lysine (filed by NIH under lysine) is higher than 97% of the 1,250 lysine products that print an amount; 35 list more.
  • Its 552 mg of L-methionine (filed by NIH under METHIONINE) is higher than 93% of the 981 METHIONINE products that print an amount; 63 list more.
  • Its 1,740 mg of L-threonine (filed by NIH under THREONINE) is higher than 94% of the 590 THREONINE products that print an amount; 33 list more.

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?

2 products list the very same ingredients; the nearest amounts come first.

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
Instantized: Mixes easily with a spoon
It tastes absolutely delicious and mixes easily with a spoon.
Normal Dosing Protocol: Mix one level scoop with 6-8 oz of water. Muscle Infusion can be taken at any time during the day or night. Advanced Dosing Protocol For Extra Lean Muscle Growth: Mix two level scoops with 12-16 oz of water. Always consume one advanced serving prior to going to bed to supply your muscles with large quantities of growth facilitating protein. Repeat daily and be consistent.
Warnings
Allergen Warning: Contains ingredients from peanuts, milk and soy. Made in a facility that also processes sesame, tree nuts, fish/crustaceans/shellfish oils and wheat products.
Keep out of reach of children.
Do not refrigerate.
Storage
Store in a cool, dry place. Do not refrigerate.

Source: label statements in DSLD label 176288.

What else is on the label?

Other ingredients: Advanced Multi Protein Blend, Cocoa powder, Creamer, Peanut flour, Gluten Free Cookie Crumbs, Natural and Artificial flavors, Gum Blend, Salt, Sucralose, Acesulfame Potassium.

How many labels does Muscle Infusion Chocolate Peanut Butter Crunch have?

2 labels are on file under this name since August 31, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 176288 (current) Entered August 31, 2018 · on the market · 5 lbs · UPC 8 57268 00571 7
  2. Label 176285 Entered August 31, 2018 · on the market · 2 lbs · UPC 8 57268 00570 0

DSLD also links this label to: Muscle Infusion Chocolate (flavor difference), Muscle Infusion Chocolate Banana Crunch (flavor difference), Muscle Infusion Chocolate Peanut Butter Crunch (package size difference, same product), Muscle Infusion Chocolate Peanut Butter Crunch (flavor difference), Muscle Infusion Chocolate Peanut Butter Crunch (image difference, same product), Muscle Infusion Chocolate Peanut Butter Crunch (package size difference, same product), Muscle Infusion Vanilla (flavor difference), Muscle Infusion Chocolate Banana Crunch (flavor difference).

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

Who makes it?

The label names Nutrex Research, Inc. (manufacturer, distributor), Oviedo, FL. All Nutrex Research Black Series products.

Where next?