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Blend · Supplement ingredient

Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these)

Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these) is listed on 210 U.S. supplement product labels in the NIH DSLD, #563 of 4,614 by label frequency.

210
Products
#563 of 4,614
By frequency

How common is Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these)?

Number of supplement labels listing Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these) vs nearby blend ingredients

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

Products containing Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these)

Enzyme Blend - PM Packet
GNC Preventive Nutrition
19 ingredients · Non-Nutrient/Non-Botanical
Off Market
Eye Guard Lutigold Extra
Vitamin World
10 ingredients · Non-Nutrient/Non-Botanical
Off Market
Fiber Digestion
ProSol
14 ingredients · Non-Nutrient/Non-Botanical
Off Market
FloraMend Prime Probiotic
Thorne Research
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
GI Digest A Vegetarian Enzyme Formula
Douglas Laboratories
14 ingredients · Non-Nutrient/Non-Botanical
Off Market
HeartBeat Cardiovascular Support
DreamQuest Nutraceuticals
19 ingredients · Other Combinations
Off Market
High Potency Multi Enzyme Vegetarian Formula
Natural Factors
20 ingredients · Non-Nutrient/Non-Botanical
Off Market
High Potency Multi Enzyme Vegetarian Formula
Natural Factors
20 ingredients · Non-Nutrient/Non-Botanical
Off Market
Immune Formula
Vita Logic
28 ingredients · Other Combinations
Off Market
Isa-Test GF Testosterone Stimulator
iSatori
31 ingredients · Other Combinations
Off Market
Isolate Whey Protein Chocolate Flavor
MRM Nutrition
25 ingredients · Amino acid/Protein
Off Market
Joint Soother With Omega 3-6-9
Vitamin World
27 ingredients · Other Combinations
Off Market
Meltdown Fat Incinerator
VPX
22 ingredients · Other Combinations
Off Market
MethylMass with Propadrol (6-17 dihydroxyetiocholove-3-ol propionate) Pink Lemonade
EST
55 ingredients · Other Combinations
Off Market
Monster Mass Chocolate
CytoSport
44 ingredients · Amino acid/Protein
Off Market
MRP All Natural Meal-Replacement Shake Chocolate
Pure Advantage
72 ingredients · Other Combinations
Off Market
MRP All Natural Meal-Replacement Shake Vanilla
Pure Advantage
71 ingredients · Other Combinations
Off Market
Multi Color Whole Food Lightning
Nature's Plus Source of Life
15 ingredients · Other Combinations
Off Market
n-zimes PA Plus
Swanson Ultra
10 ingredients · Non-Nutrient/Non-Botanical
Off Market
Nattozimes 65 mg
Swanson Ultra
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
Omega-Zyme Ultra Ultimate Digestive Enzyme
Garden of Life
35 ingredients · Botanical with Nutrients
Off Market
Omega-Zyme Ultra Ultimate Digestive Enzyme
Garden of Life
35 ingredients · Botanical with Nutrients
Off Market
Omega-Zyme Utra
Garden of Life
34 ingredients · Other Combinations
Off Market
Primadophilus Reuteri Pearls
Nature's Way
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Primadophilus Reuteri Pearls
Nature's Way
11 ingredients · Non-Nutrient/Non-Botanical
Off Market
Primadophilus Reuteri Pearls
Nature's Way
11 ingredients · Non-Nutrient/Non-Botanical
Off Market
Pro-Flora Concentrate
Integrative Therapeutics
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Pro-Flora Concentrate
Integrative Therapeutics
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls
Integrative Therapeutics
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls
Integrative Therapeutics
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Acidophilus
Enzymatic Therapy
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Acidophilus
Enzymatic Therapy
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Acidophilus
Enzymatic Therapy
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Acidophilus
Nature's Way
8 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Complete
Enzymatic Therapy
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Complete
Enzymatic Therapy
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Complete
Enzymatic Therapy
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Immune
Enzymatic Therapy
10 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Women's
Enzymatic Therapy
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
Probiotic Pearls Women's
Enzymatic Therapy
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
Protein Chocolate Flavored
JayLab Pro
21 ingredients · Amino acid/Protein
Off Market
ProtoZymes Natural Berry Flavor
Protocol For Life Balance
17 ingredients · Non-Nutrient/Non-Botanical
Off Market
Purple Mushroom Defense
Enzymatic Therapy
13 ingredients · Other Combinations
Off Market
Selenium Food Complex
New Chapter Organics
28 ingredients · Other Combinations
Off Market
Source Of Life Multi Color Whole Food Lightning
Nature's Plus
10 ingredients · Other Combinations
Off Market
Source Of Life Multi Color Whole Food Lightning 30 Daily Multi-packs
Nature's Plus
19 ingredients · Other Combinations
Off Market
Super Charge! Xtreme N.O. Blue Raspberry
Labrada Nutrition
30 ingredients · Other Combinations
Off Market
Super Charge! Xtreme N.O. Fruit Punch
Labrada Nutrition
30 ingredients · Other Combinations
Off Market
Super Charge! Xtreme N.O. Orange
Labrada Nutrition
30 ingredients · Other Combinations
Off Market
Super Digestive Enzymes
GNC Women's Ultra Mega
18 ingredients · Non-Nutrient/Non-Botanical
Off 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 (Metabolite, constituent, extract, isolate, or combination of these) vs Blend →

Nationwide ingredients with similar DSLD presence

Two peer sets for Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these): closest on total DSLD label listings (210 here) and closest on distinct brands that list it (87 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.

Frequently asked about Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these)

How many supplement products contain Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these)?
210 supplement product labels in the NIH DSLD currently lists Proprietary Blend (Metabolite, constituent, extract, isolate, or combination of these) as an ingredient. By label frequency it ranks #563 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.

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.