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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 5 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)

Promasil Milk Chocolate
Rivalus
38 ingredients · Other Combinations
On Market
Promasil Milk Chocolate
Rivalus
36 ingredients · Other Combinations
On Market
Promasil Soft Serve Vanilla
Rivalus
36 ingredients · Amino acid/Protein
On Market
Promasil Strawberry
Rivalus
36 ingredients · Amino acid/Protein
On Market
Promasil Vanilla
Rivalus
37 ingredients · Other Combinations
On Market
Promasil Vanilla
Rivalus
36 ingredients · Other Combinations
On Market
Prosta-Plex Plus
Traditional Nutritionals
14 ingredients · Other Combinations
On Market
Prostate 600+
Nature's Life
20 ingredients · Botanical with Nutrients
On Market
Prostate Maintain 600 Plus
Nature's Life
14 ingredients · Other Combinations
On Market
Protein Chocolate
Ryno Power
20 ingredients · Amino acid/Protein
On Market
Protein Chocolate
Ryno Power
20 ingredients · Amino acid/Protein
On Market
Protein Chocolate Peanut Butter
Shredz
22 ingredients · Amino acid/Protein
On Market
Protein Chocolate Peanut Butter
Shredz
22 ingredients · Amino acid/Protein
On Market
Protein Cinnamon Bun
Shredz
21 ingredients · Amino acid/Protein
On Market
Protein Vanilla
Ryno Power
20 ingredients · Amino acid/Protein
On Market
Protein Vanilla
Ryno Power
20 ingredients · Amino acid/Protein
On Market
Proton 7 Chocolate Milkshake
Universal
37 ingredients · Other Combinations
On Market
Proton 7 Cookies & Cream
Universal
37 ingredients · Other Combinations
On Market
Proton 7 Vanilla Milkshake
Universal
36 ingredients · Other Combinations
On Market
ProV60 Chocolate Ice Cream Flavor
Labrada Nutrition
22 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
ProV60 Vanilla Ice Cream Flavor
Labrada Nutrition
22 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Purple Wraath Juicy Grape
Controlled Labs
26 ingredients · Other Combinations
On Market
Purple Wraath Juicy Grape Flavor
Controlled Labs
27 ingredients · Other Combinations
On Market
Real Gains Chocolate Ice Cream
Universal Nutrition
26 ingredients · Other Combinations
On Market
Real Gains Vanilla Ice Cream
Universal Nutrition
24 ingredients · Other Combinations
On Market
Recover Post Workout
Tapout Sports Nutrition
27 ingredients · Other Combinations
On Market
RTD 51 Creamy Vanilla
MET-Rx
47 ingredients · Amino acid/Protein
On Market
RTD 51 Mocha Blast
MET-Rx Protein Plus
50 ingredients · Amino acid/Protein
On Market
RTD 51 Peanut Butter Cup
MET-Rx
49 ingredients · Amino acid/Protein
On Market
SAAs Silk Amino Acid Energy Fruit Punch
Image Sports
9 ingredients · Other Combinations
On Market
SAAs Silk Amino Acid Energy Watermelon
Image Sports
9 ingredients · Other Combinations
On Market
SAAs Watermelon
Image Sports
9 ingredients · Other Combinations
On Market
Super Amino 23
Purium Health Products
9 ingredients · Amino acid/Protein
On Market
Super Protein Shot Fruit Punch
Body Fortress
19 ingredients · Amino acid/Protein
On Market
SuperEssentials Aminos
Living Fuel
14 ingredients · Amino acid/Protein
On Market
Superfood Protein Natural Unflavored
Ground-Based NUTRITION
28 ingredients · Amino acid/Protein
On Market
Syngex Serious Chocolate
VPX
21 ingredients · Amino acid/Protein
On Market
Syngex Vanilla Dream
VPX
20 ingredients · Amino acid/Protein
On Market
The Original NitroFusion Multi Source Protein Chocolate
NitroFusion
22 ingredients · Other Combinations
On Market
The Original NitroFusion Multi Source Protein Vanilla
NitroFusion
22 ingredients · Other Combinations
On Market
Up Your Mass CinnaBun
MHP Maximum Human Performance
39 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Up Your Mass Cookies 'N Cream
MHP Maximum Human Performance
42 ingredients · Amino acid/Protein
On Market
Up Your Mass Fudge Brownie
MHP Maximum Human Performance
40 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Up Your Mass Peanut Butter Cookie
MHP Maximum Human Performance
41 ingredients · Amino acid/Protein
On Market
Up Your Mass Vanilla
MHP Maximum Human Performance
43 ingredients · Amino acid/Protein
On Market
Up Your Mass Vanilla
MHP Maximum Human Performance
39 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Veg-E Complete Pro Vanilla
SP Standard Process
23 ingredients · Other Combinations
On Market
Vita Freak Vf Packs
PharmaFreak
79 ingredients · Other Combinations
On Market
Whey Protein Complex Creamy Vanilla
GNC Pro Performance
22 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Whey Protein Complex Double Chocolate
GNC Pro Performance
24 ingredients · Multi-Vitamin and Mineral (MVM)
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.