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Blend · Supplement ingredient

Proprietary Blend (Amino Acid/Protein)

Proprietary Blend (Amino Acid/Protein) is listed on 526 U.S. supplement product labels in the NIH DSLD, #333 of 4,614 by label frequency.

526
Products
#333 of 4,614
By frequency
Verify with NIH DSLD → · FDA Daily Value reference → · Page 2 of 11

How common is Proprietary Blend (Amino Acid/Protein)?

Number of supplement labels listing Proprietary Blend (Amino Acid/Protein) vs nearby blend ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Proprietary Blend (Amino Acid/Protein)

Blox Blue Raspberry
BPI
7 ingredients · Amino acid/Protein
On Market
Blox Fruit Punch
BPI
7 ingredients · Amino acid/Protein
On Market
Blox Fruit Punch
BPI
7 ingredients · Amino acid/Protein
On Market
Blox Green Apple
BPI
8 ingredients · Amino acid/Protein
On Market
Blox Green Apple
BPI
8 ingredients · Amino acid/Protein
On Market
Blox Lemonade
BPI
8 ingredients · Amino acid/Protein
On Market
Blox Pink Lemonade
BPI Sports
13 ingredients · Amino acid/Protein
On Market
Blox Watermelon
BPI
7 ingredients · Amino acid/Protein
On Market
Blox Watermelon
BPI
8 ingredients · Amino acid/Protein
On Market
BodyHealth Bar Blondie
BodyHealth
36 ingredients · Amino acid/Protein
On Market
BodyHealth Bar Brownie
BodyHealth
36 ingredients · Amino acid/Protein
On Market
Bone Morphogenetic Proteins 300 mg
SuperSmart
3 ingredients · Amino acid/Protein
On Market
Breakfast Squares Oatmeal Chocolate Chip
GNC Total Lean
35 ingredients · Other Combinations
On Market
Bulk-Up Weight Gainer Chocolate
Tapout Sports Nutrition
46 ingredients · Amino acid/Protein
On Market
Bulk-Up Weight Gainer Vanilla
Tapout Sports Nutrition
50 ingredients · Other Combinations
On Market
C4 Original Icy Blue Razz
Cellucor
26 ingredients · Other Combinations
On Market
Chain'd Reaction Rocket Pop
APS
20 ingredients · Amino acid/Protein
On Market
Chondrinol Advanced 225
Regenerative Tissue Science
4 ingredients · Amino acid/Protein
On Market
Combat Powder Banana Cream
MusclePharm
24 ingredients · Other Combinations
On Market
Combat Powder Choclate Peanut Butter
MusclePharm
25 ingredients · Other Combinations
On Market
Combat Powder Chocolate Milk
MusclePharm
25 ingredients · Other Combinations
On Market
Combat Powder Chocolate Peanut Butter
MusclePharm
25 ingredients · Other Combinations
On Market
Combat Powder Cookies 'N' Cream
MusclePharm
25 ingredients · Other Combinations
On Market
Combat Powder Orange Creamsicle
MusclePharm
23 ingredients · Other Combinations
On Market
Combat Powder Orange Creamsicle
MusclePharm
24 ingredients · Other Combinations
On Market
Combat Powder S'mores
MusclePharm
27 ingredients · Other Combinations
On Market
Combat Powder S'mores
MusclePharm
27 ingredients · Other Combinations
On Market
Combat Powder Triple Berry
MusclePharm
25 ingredients · Other Combinations
On Market
Combat Powder Vanilla
MusclePharm
24 ingredients · Other Combinations
On Market
Complete Vitamin Shake Mix Chocolate
Nature's Bounty Optimal Solutions
38 ingredients · Other Combinations
On Market
Dark Matter Blue Raspberry
MHP Maximum Human Performance
41 ingredients · Other Combinations
On Market
Delicious Protein Powder Elite Delicious Chocolate Shake
Giant Sports
24 ingredients · Amino acid/Protein
On Market
Delicious Protein Powder Elite Delicious Cookies & Cream Shake
Giant Sports
24 ingredients · Amino acid/Protein
On Market
Delicious Protein Powder Elite Delicious Peanut Butter Chocolate Shake
Giant Sports
25 ingredients · Amino acid/Protein
On Market
Delicious Protein Powder Elite Delicious Vanilla Shake
Giant Sports
23 ingredients · Amino acid/Protein
On Market
E & E Energy And Endurance
Beachbody
39 ingredients · Other Combinations
On Market
Elite Fusion 7 Milk Chocolate
Dymatize Nutrition
38 ingredients · Other Combinations
On Market
Elite Fusion 7 Mochaccino Rush
Dymatize Nutrition
40 ingredients · Other Combinations
On Market
Endorush Grape Fix
BSN
48 ingredients · Other Combinations
On Market
Endorush Green Apple Fix
BSN
48 ingredients · Other Combinations
On Market
Energy & Metabolism
GNC Mega Men
44 ingredients · Other Combinations
On Market
EpiGenius Family Chocolate
Purium
67 ingredients · Other Combinations
On Market
Essential Amino Acids EAA Powder 10 g
BulkSupplements.com
12 ingredients · Amino acid/Protein
On Market
Fast 5 Blue Razz
VPX
17 ingredients · Amino acid/Protein
On Market
Fast 5 Watermelon
VPX
17 ingredients · Amino acid/Protein
On Market
FITFood Lean Whey Creamy Chocolate No added Sugar, No Stevia
XYMOGEN
27 ingredients · Amino acid/Protein
On Market
FITFood Lean Whey Vanilla Delight No added Sugar, No Stevia
XYMOGEN
27 ingredients · Amino acid/Protein
On Market
FITFood Lite Whey Berry Blast
XYMOGEN
33 ingredients · Amino acid/Protein
On Market
FITFood Whey Berry Blast
XYMOGEN
30 ingredients · Amino acid/Protein
On Market
FITFood Whey Creamy Chocolate
XYMOGEN
28 ingredients · Amino acid/Protein
On Market

Nearby Ingredients in Blend

Other ingredients in the Blend category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Proprietary Blend (Amino Acid/Protein) vs Blend →

Blend
7,220 products · Blend
Proprietary Blend
6,707 products · Blend
Blend (Combination)
4,333 products · Blend
Proprietary Blend (Combination)
4,178 products · Blend
Proprietary Blend (Herb/Botanical)
3,359 products · Blend

Nationwide ingredients with similar DSLD presence

Two peer sets for Proprietary Blend (Amino Acid/Protein): closest on total DSLD label listings (526 here) and closest on distinct brands that list it (131 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about Proprietary Blend (Amino Acid/Protein)

How many supplement products contain Proprietary Blend (Amino Acid/Protein)? ▼
526 supplement product labels in the NIH DSLD currently lists Proprietary Blend (Amino Acid/Protein) as an ingredient. By label frequency it ranks #333 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.