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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 1 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)

100% Hemp & Whey Powder Vanilla
BioChem Sports
32 ingredients · Botanical with Nutrients
On Market
100% Vegan Protein Vanilla Flavor
Biochem
18 ingredients · Amino acid/Protein
On Market
4Life Transfer Factor Classic
4Life
4 ingredients · Amino acid/Protein
On Market
4Life Transfer Factor Pro-TF Chocolate
4Life
27 ingredients · Amino acid/Protein
On Market
Active Multi Packs
MET-Rx
68 ingredients · Other Combinations
On Market
Advanced Aminos
AB American Biologics
25 ingredients · Other Combinations
On Market
After Max Chocolate Sunday
Optimum Nutrition
45 ingredients · Other Combinations
On Market
After Max Vanilla Ice Cream
Optimum Nutrition
40 ingredients · Other Combinations
On Market
Airborne Citrus
Airborne
26 ingredients · Other Combinations
On Market
Airborne Everyday
Airborne
33 ingredients · Botanical with Nutrients
On Market
Airborne Everyday
Airborne
33 ingredients · Botanical with Nutrients
On Market
Airborne Everyday
Airborne
33 ingredients · Botanical with Nutrients
On Market
Airborne Everyday Berry
Airborne
38 ingredients · Botanical with Nutrients
On Market
Airborne Everyday Berry
Airborne
38 ingredients · Botanical with Nutrients
On Market
Airborne Everyday Berry
Airborne
38 ingredients · Botanical with Nutrients
On Market
Airborne Lemon-Lime
Airborne Original
30 ingredients · Botanical with Nutrients
On Market
Airborne Original Lozenges Berry
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Pink Grapefruit
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Very Berry
Airborne Original
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Very Berry
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Zesty Orange
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Zesty Orange
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Zesty Orange
Airborne
32 ingredients · Botanical with Nutrients
On Market
Airborne Original Zesty Orange
Airborne Original
32 ingredients · Botanical with Nutrients
On Market
Allied Amino Acids 675 mg
Dr. Clark Store
15 ingredients · Amino acid/Protein
On Market
Amino Acid Quick-Sorb
Biotics Research Corporation
15 ingredients · Amino acid/Protein
On Market
Amino Acid Sequence
BPI
8 ingredients · Amino acid/Protein
On Market
Amino Decanate Citrus Lime
MuscleMeds
31 ingredients · Amino acid/Protein
On Market
Amino Decanate Watermelon
MuscleMeds
30 ingredients · Amino acid/Protein
On Market
Amino Feast 800 mg
Viva Vitamins
7 ingredients · Amino acid/Protein
On Market
Amino Rush BCAA 2:2:1 Fruit Punch
VPX
11 ingredients · Amino acid/Protein
On Market
Amino Rush BCAA 2:2:1 Wild Grape
VPX
11 ingredients · Amino acid/Protein
On Market
Amino Rush Exotic Fruit
VPX
17 ingredients · Amino acid/Protein
On Market
Amino Rush Strawberry
VPX
17 ingredients · Amino acid/Protein
On Market
Amino Synergy
Kaged Muscle
14 ingredients · Amino acid/Protein
On Market
AminoMeal Select Chocolate
Moss Nutrition
55 ingredients · Botanical with Nutrients
On Market
AminoMeal Select Vanilla
Moss Nutrition
54 ingredients · Botanical with Nutrients
On Market
Amplified Creatine XXX Blue Raspberry
GNC Pro Performance
17 ingredients · Other Combinations
On Market
Amplified Muscle Meal Chocolate
GNC Pro Performance AMP
62 ingredients · Other Combinations
On Market
Amplified Muscle Meal Vanilla
GNC Pro Performance AMP
65 ingredients · Other Combinations
On Market
Anabolic Switch Multi-Phasic Anabolic Creatine
MRI
46 ingredients · Other Combinations
On Market
BAM Balanced Amino Maintenance
Metabolic Maintenance
6 ingredients · Other Combinations
On Market
BAM Balanced Amino Maintenance
Metabolic Maintenance
6 ingredients · Other Combinations
On Market
BCAA Amino Acids Sour Patch Kids Pineapple
GHOST
20 ingredients · Botanical with Nutrients
On Market
BCAA Chewies Strawberry Tangerine Berry
Betancourt Nutrition
15 ingredients · Amino acid/Protein
On Market
BCAA Power Tangy Citrus Flavor
Labrada Nutrition
11 ingredients · Amino acid/Protein
On Market
BCAA Sour Patch Watermelon
GHOST
22 ingredients · Botanical with Nutrients
On Market
BCAA Swedish Fish
GHOST
23 ingredients · Botanical with Nutrients
On Market
Bio-Musculoskeletal
Biotics Research Corporation
31 ingredients · Other Combinations
On Market
BioTrust Low Carb Vanilla Cream
BioTrust
23 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.