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Protein · Supplement ingredient

Protein (unspecified)

Protein (unspecified) is listed on 6,961 U.S. supplement product labels in the NIH DSLD, #39 of 4,614 by label frequency.

6,961
Products
#39 of 4,614
By frequency

How common is Protein (unspecified)?

Number of supplement labels listing Protein (unspecified) vs nearby protein ingredients

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

Products containing Protein (unspecified)

Magnesium Glycinate 400
KAL
13 ingredients · Mineral
On Market
Magnesium Glycinate 400
KAL
13 ingredients · Mineral
On Market
Maitake Mushroom
BareOrganics
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Maitake Mushroom Powder
BIOVEA Natural Foods
17 ingredients · Non-Nutrient/Non-Botanical
On Market
MaitakeGold 404
Innate Response Formulas
15 ingredients · Other Combinations
On Market
Maqui SuperFruit Antioxidant Juice
NOW
24 ingredients · Botanical
On Market
Marine Aminos
Potent Sea
21 ingredients · Other Combinations
On Market
Marine Collagen
Zint
4 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides
ProCaps Laboratories
4 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides
ProCaps Laboratories
3 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides
ProCaps Laboratories
3 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides Unflavored
Natural Force
14 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides Unflavored
Natural Force
14 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides Unflavored
Natural Force
8 ingredients · Amino acid/Protein
On Market
Marine Collagen Peptides Unflavored
Natural Force
8 ingredients · Amino acid/Protein
On Market
Marine Collagen Unflavored
Vital Proteins
3 ingredients · Amino acid/Protein
On Market
Marine Fish Oils 1000 mg
Martin Avenue Pharmacy
17 ingredients · Fat/Fatty Acid
On Market
Mass Amino Acid
Beverly International
18 ingredients · Other Combinations
On Market
Mass Infusion Chocolate
Nutrex Research Black Series
26 ingredients · Amino acid/Protein
On Market
Mass Infusion Chocolate
Nutrex Research Black Series
26 ingredients · Amino acid/Protein
On Market
Mass Infusion Vanilla
Nutrex Research Black Series
26 ingredients · Amino acid/Protein
On Market
Mass Infusion Vanilla
Nutrex Research Black Series
26 ingredients · Amino acid/Protein
On Market
Mass JYM Chocolate Mousse
JYM
32 ingredients · Amino acid/Protein
On Market
Mass XXplosion Anabolic Workout Formula Grape
Nutrex Research
39 ingredients · Other Combinations
On Market
Mass XXplosion Fruit Punch
Nutrex Research
38 ingredients · Other Combinations
On Market
Mass XXX Chocolate
GNC Pro Performance
25 ingredients · Amino acid/Protein
On Market
Mass XXX Chocolate Raspberry Truffle
GNC AMP Advanced Muscle Performance
37 ingredients · Amino acid/Protein
On Market
Mass XXX Vanilla
GNC Pro Performance
24 ingredients · Amino acid/Protein
On Market
Mass-Peak Chocolate
Inner Armour
44 ingredients · Other Combinations
On Market
Mass-Peak Chocolate Peanut Butter
Inner Armour
47 ingredients · Other Combinations
On Market
Mass-Peak Cookies And Cream
Inner Armour
50 ingredients · Other Combinations
On Market
Mass-Peak Strawberry
Inner Armour
44 ingredients · Other Combinations
On Market
Mass-Peak Vanilla
Inner Armour
42 ingredients · Other Combinations
On Market
Mass-Tech Strawberry Milkshake
MuscleTech
64 ingredients · Other Combinations
On Market
Mass-Tech Strawberry Milkshake
MuscleTech
61 ingredients · Other Combinations
On Market
Matrix 1.0 Milk Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Milk Chocolate
Syntrax
37 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Bananas & Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Cookies & Cream
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Milk Chocolate
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Milk Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Mint Cookie
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Mint Cookie
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Orange Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Peanut Butter Cookie
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Peanut Butter Cookie
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Perfect Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market

Nearby Ingredients in Protein

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

Compare Protein (unspecified) vs Gelatin →

Nationwide ingredients with similar DSLD presence

Two peer sets for Protein (unspecified): closest on total DSLD label listings (6,961 here) and closest on distinct brands that list it (878 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 Protein (unspecified)

How many supplement products contain Protein (unspecified)?
6,961 supplement product labels in the NIH DSLD currently lists Protein (unspecified) as an ingredient. By label frequency it ranks #39 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.