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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)

ISO-30 Apple Pear
MET-Rx
24 ingredients · Amino acid/Protein
On Market
ISO-30 Tropical Punch
MET-Rx
24 ingredients · Amino acid/Protein
On Market
Iso-Extreme Extreme Berry Blast Flavor!
MM Sports Nutrition
23 ingredients · Amino acid/Protein
On Market
Iso-Extreme Extreme Orange Crush Flavor!
MM Sports Nutrition
23 ingredients · Amino acid/Protein
On Market
Iso-Gro 62 Banana Supreme
ANSI Pro-Series
18 ingredients · Amino acid/Protein
On Market
Iso-Gro 62 Cookies & Cream
ANSI Pro-Series
18 ingredients · Amino acid/Protein
On Market
Iso-Gro 62 Ice Cream Vanilla
ANSI Pro-Series
18 ingredients · Amino acid/Protein
On Market
Iso-Peptide Protein Chocolate
GNC Beyond Raw
33 ingredients · Botanical with Nutrients
On Market
Iso-Peptide Protein Chocolate
GNC Beyond Raw
36 ingredients · Amino acid/Protein
On Market
Iso-Peptide Protein Mixed Berry
GNC Beyond Raw
36 ingredients · Botanical with Nutrients
On Market
Iso-Smooth Chocolate Sin
Blue Star Nutraceuticals
21 ingredients · Amino acid/Protein
On Market
Iso-Smooth Vanilla Dream
Blue Star Nutraceuticals
17 ingredients · Amino acid/Protein
On Market
Iso-Smooth Vanilla Dream
Blue Star Nutraceuticals
17 ingredients · Amino acid/Protein
On Market
Iso-X Extreme Chocolate Fudge
MM Sports Nutrition
24 ingredients · Amino acid/Protein
On Market
Iso-X Extreme Vanilla
MM Sports Nutrition
24 ingredients · Amino acid/Protein
On Market
ISO100 Clear Grape
Dymatize
9 ingredients · Amino acid/Protein
On Market
ISO100 Clear Grape
Dymatize
9 ingredients · Amino acid/Protein
On Market
ISO100 Clear Tangerine Peach
Dymatize
9 ingredients · Amino acid/Protein
On Market
ISO100 Hydrolyzed Cocoa Pebbles Flavor
Dymatize
24 ingredients · Amino acid/Protein
On Market
ISO100 Hydrolyzed Cookies & Cream
Dymatize
24 ingredients · Amino acid/Protein
On Market
ISO100 Hydrolyzed Fudge Brownie
Dymatize
24 ingredients · Other Combinations
On Market
ISO100 Hydrolyzed Gourmet Vanilla
Dymatize
22 ingredients · Amino acid/Protein
On Market
IsoFast50 Chocolate Milkshake
MHP Maximum Human Performance
23 ingredients · Amino acid/Protein
On Market
ISOFIT Banana Foster
Nutrex Research
22 ingredients · Amino acid/Protein
On Market
ISOFIT Banana Foster
Nutrex Research UltraFit Series
22 ingredients · Amino acid/Protein
On Market
ISOFIT Chocolate Shake
Nutrex Research
22 ingredients · Amino acid/Protein
On Market
ISOFIT Peanut Butter Toffee
Nutrex Research
25 ingredients · Amino acid/Protein
On Market
ISOFLEX Banana
ALLMAX
25 ingredients · Amino acid/Protein
On Market
ISOFLEX Chocolate Mint
ALLMAX
29 ingredients · Amino acid/Protein
On Market
ISOFLEX Pineapple Coconut
ALLMAX
27 ingredients · Amino acid/Protein
On Market
IsoFusion Premium Whey Isolate Milk Chocolate
Gaspari Nutrition
22 ingredients · Amino acid/Protein
On Market
IsoFusion Premium Whey Isolate Orange Cream
Gaspari Nutrition
21 ingredients · Amino acid/Protein
On Market
IsoFusion Premium Whey Isolate Vanilla Ice Cream
Gaspari Nutrition
21 ingredients · Amino acid/Protein
On Market
IsoFusion Premium Whey Isolate Vanilla Ice Cream
Gaspari Nutrition
21 ingredients · Amino acid/Protein
On Market
Isolate Protein Chocolate
Goliath Labs
21 ingredients · Amino acid/Protein
On Market
Isolate Protein Decadent Chocolate
SirenLabs
24 ingredients · Amino acid/Protein
On Market
Isolate Protein Strawberry
Goliath Labs
21 ingredients · Amino acid/Protein
On Market
Isolate Protein Unflavored
Goliath Labs
19 ingredients · Amino acid/Protein
On Market
Isolate Protein Vanilla
Goliath Labs
20 ingredients · Amino acid/Protein
On Market
Isolate Protein Vanilla Ice Cream
SirenLabs
20 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Cappuccino Flavor
Muscle Feast
19 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Mocha Flavor
Muscle Feast
22 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Pumpkin Spice Flavor
Muscle Feast
26 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Strawberry Cheesecake Flavor
Muscle Feast
22 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Vanilla Flavor
Muscle Feast
19 ingredients · Amino acid/Protein
On Market
Isolate Whey Protein Vanilla Flavor
Muscle Feast
19 ingredients · Amino acid/Protein
On Market
Isolated Soy Protein 95 Chocolate
GNC Pro Performance
21 ingredients · Amino acid/Protein
On Market
Isolation Chocolate
Blackstone Labs
25 ingredients · Amino acid/Protein
On Market
Isomorph 28 Delicious Chocolate Milkshake
APS
19 ingredients · Amino acid/Protein
On Market
Isomorph 28 Delicious Neapolitan Ice Cream
APS
20 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.