PlainVitamins

Prevail Whey Protein-Blend Chocolate

by Thorne Performance · powder · 30.7 oz.

  • Off the market since December 2019 (NIH)
  • UPC 6 93749 00280 2
  • DSLD label 15631
  • Serving 29 g
  • 30 servings

Prevail Whey Protein-Blend Chocolate by Thorne Performance lists 22 ingredients, 20 with an amount per serving of 29 g, such as 82 mg of calcium, 425 mcg of iron and 83 mg of potassium; 2 sit inside a blend without their own amounts, beside 9 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on November 21, 2012.

What is in Prevail Whey Protein-Blend Chocolate?

Each row as the label prints it, per serving of 29 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).

Prevail Whey Protein-Blend Chocolate: Supplement Facts rows against the market (DSLD label 15631, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories100 Calories
Calories from Fat5 Calories
Total Fat0.5 g1%Fat (unspecified) in Prevail Whey Protein-Blend Chocolate against 11,965 products0.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.5 g

86% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Saturated Fat0 g0%
Trans Fat0 g
Cholesterol15 mg6%Cholesterol in Prevail Whey Protein-Blend Chocolate against 5,275 products15 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.15 mg

47% of 5,275 products listing cholesterol give more (median 15 mg).

Total Carbohydrates3 g1%Carbohydrate in Prevail Whey Protein-Blend Chocolate against 21,979 products3 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.3 g

47% of 21,979 products listing carbohydrate give more (median 3 g).

Dietary Fiber1 g2%Fiber in Prevail Whey Protein-Blend Chocolate 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).

Sugar1 gSugar in Prevail Whey Protein-Blend Chocolate against 11,807 products1 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1 g

69% of 11,807 products listing sugar give more (median 2 g).

Protein21 g42%Protein in Prevail Whey Protein-Blend Chocolate against 8,985 products21 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.21 g

Higher than 64% of 8,985 products listing protein (median 16 g).

Calcium82 mg8%Calcium in Prevail Whey Protein-Blend Chocolate against 17,831 products82 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg82 mg

62% of 17,831 products listing calcium give more (median 115 mg).

Iron425 mcg2%Iron in Prevail Whey Protein-Blend Chocolate against 6,910 products0.425 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg0.425 mg

92% of 6,910 products listing iron give more (median 5 mg).

Sodium102 mg4%Sodium in Prevail Whey Protein-Blend Chocolate against 14,514 products102 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.102 mg

Higher than 66% of 14,514 products listing sodium (median 55 mg).

Potassium83 mg2%Potassium in Prevail Whey Protein-Blend Chocolate against 11,614 products83 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg83 mg

58% of 11,614 products listing potassium give more (median 99 mg).

Proprietary Blend30 mg
Bromelainas PineappleBromelain (Form: is derived from the Pineapple PlantPart: plant Genus: Ananas Species: comosus)in the blend, no amount given
Papainas PapayaPapain (Form: an enzyme derived from Papaya Genus: Carica Species: papaya)in the blend, no amount given
Typical Amino Acid Amounts (g)Typical Amino Acid Amounts (g) Note: Per Servingno amount given
Alanine1.1 gAlanine in Prevail Whey Protein-Blend Chocolate against 475 products1,100 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.1,100 mg

Higher than 85% of 475 products listing alanine (median 483 mg).

Arginine0.5 gArginine in Prevail Whey Protein-Blend Chocolate against 1,455 products500 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.500 mg

47% of 1,455 products listing arginine give more (median 500 mg).

Aspartic Acid2.3 gAspartic Acid in Prevail Whey Protein-Blend Chocolate against 377 products2,300 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.2,300 mg

Higher than 85% of 377 products listing aspartic acid (median 337 mg).

Cysteine0.5 gCysteine in Prevail Whey Protein-Blend Chocolate against 516 products500 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.500 mg

Higher than 90% of 516 products listing cysteine (median 85 mg).

Glutamic Acid3.5 gGlutamic Acid in Prevail Whey Protein-Blend Chocolate against 697 products3,500 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.3,500 mg

Higher than 91% of 697 products listing glutamic acid (median 80 mg).

Glycine0.4 gGlycine in Prevail Whey Protein-Blend Chocolate against 1,078 products400 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.400 mg

Higher than 56% of 1,078 products listing glycine (median 300 mg).

Histidine0.4 gHistidine in Prevail Whey Protein-Blend Chocolate against 591 products400 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.400 mg

Higher than 73% of 591 products listing histidine (median 125 mg).

IsoleucineIsoleucine Note: Essential Amino Acid1.3 gIsoleucine in Prevail Whey Protein-Blend Chocolate against 1,614 products1.3 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.1.3 g

Higher than 66% of 1,614 products listing isoleucine (median 1.23 g).

LeucineLeucine Note: Essential Amino Acid2.3 gLeucine in Prevail Whey Protein-Blend Chocolate against 2,056 products2.3 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.2.3 g

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

LysineLysine Note: Essential Amino Acid2.1 gLysine in Prevail Whey Protein-Blend Chocolate against 1,250 products2,100 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.2,100 mg

Higher than 96% of 1,250 products listing lysine (median 500 mg).

MethionineMethionine Note: Essential Amino Acid0.5 gMETHIONINE in Prevail Whey Protein-Blend Chocolate against 981 products500 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.500 mg

Higher than 87% of 981 products listing METHIONINE (median 100 mg).

PhenylalaninePhenylalanine Note: Essential Amino Acid0.7 gPhenylalanine in Prevail Whey Protein-Blend Chocolate against 611 products700 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.700 mg

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

Proline1.1 gProline in Prevail Whey Protein-Blend Chocolate against 387 products1,100 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.1,100 mg

Higher than 71% of 387 products listing proline (median 487.5 mg).

Serine0.9 gSerine in Prevail Whey Protein-Blend Chocolate against 314 products900 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.900 mg

Higher than 65% of 314 products listing serine (median 408 mg).

ThreonineThreonine Note: Essential Amino Acid1.3 gTHREONINE in Prevail Whey Protein-Blend Chocolate against 590 products1,300 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.1,300 mg

Higher than 87% of 590 products listing THREONINE (median 500 mg).

Tyrosine0.7 gTyrosine in Prevail Whey Protein-Blend Chocolate against 1,680 products700 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.700 mg

Higher than 69% of 1,680 products listing tyrosine (median 500 mg).

ValineValine Note: Essential Amino Acid1.1 gValine in Prevail Whey Protein-Blend Chocolate against 1,632 products1.1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.1.1 g

54% of 1,632 products listing valine give more (median 1.25 g).

Source: NIH ODS Dietary Supplement Label Database, label 15631 (entered November 21, 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:

  • 92% of the 6,910 products that print an amount of iron list more than its 0.425 mg of iron (median 5 mg).
  • Its 500 mg of cysteine is higher than 90% of the 516 cysteine products that print an amount; 27 list more.
  • Its 3,500 mg of glutamic acid is higher than 91% of the 697 glutamic acid products that print an amount; 60 list more.
  • Its 2,100 mg of lysine is higher than 96% of the 1,250 lysine products that print an amount; 46 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?

1 product lists 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
Suggested Use: Mix one level scoop of powder with 6 oz. of water, juice, or preferred beverage daily or as recommended by your health-care practitioner.
Warnings
Tamper Evident: Use only if bottle is sealed.
If pregnant, consult your health-care practitioner before using this product.
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 15631.

What else is on the label?

Other ingredients: Whey Protein Isolate, Cocoa, Flavors, Cane Juice Sugar, Evaporated, Stevia extract, Carboxymethylcellulose Gum, Xanthan Gum.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LEADER IN NUTRITIONAL SUPPLEMENT PURITY; THORNE RESEARCH (pulled apart capsule)(R); THIS CONTAINER IS XENOESTROGEN FREE HARSH CHEMICAL FREE.

How many labels does Prevail Whey Protein-Blend Chocolate have?

One label is on file, entered on November 21, 2012.

  1. Label 15631 (current) Entered November 21, 2012 · off the market December 18, 2019 · 30.7 oz. · UPC 6 93749 00280 2

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

Who makes it?

The label names Thorne Research, Inc. (manufacturer), Dover, Idaho. All Thorne Performance products.

Where next?