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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)

Fish Oil 1000 mg
Nature Made
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1000 mg
Nature Made
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1000 mg
Nature Made
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1000 mg
Nature Made
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1000 mg
Nature Made
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1000 mg 300 mg Omega-3
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Finest Nutrition
15 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
23 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
22 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
22 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
18 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg + Vitamin D 1000 IU
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg 360 mg Omega-3
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg 360 mg Omega-3
Nature Made
18 ingredients · Other Combinations
On Market
Fish Oil 1200 mg 360 mg Omega-3
Nature Made
16 ingredients · Other Combinations
On Market
Fish Oil 1200 mg 360 mg Omega-3
Nature Made
19 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg Natural Lemon Flavor
Nature Made
17 ingredients · Fat/Fatty Acid
On Market
Fish Oil 1200 mg/360 mg Omega-3
Spring Valley
21 ingredients · Fat/Fatty Acid
On Market
Fish Oil Concentrate 1000 mg With Omega-3 Fatty Acids
Berkley & Jensen
16 ingredients · Fat/Fatty Acid
On Market
Fish Oil Double Strength 1,200 mg
up&up
15 ingredients · Fat/Fatty Acid
On Market
Fit 100% Protein Isolate French Vanilla
Six Star Pro Nutrition
28 ingredients · Amino acid/Protein
On Market
FITFood Creamy Chocolate
XYMOGEN
33 ingredients · Amino acid/Protein
On Market
FITFood Frustose-Free Lite Vanilla
XYMOGEN
31 ingredients · Amino acid/Protein
On Market
FITFood Lean Whey Creamy Chocolate No added Sugar, No Stevia
XYMOGEN
27 ingredients · Amino acid/Protein
On Market
FITFood Lean Whey Vanilla Delight No added Sugar, No Stevia
XYMOGEN
27 ingredients · Amino acid/Protein
On Market
FITFood Lean Whey Vanilla Delight No Added Sugar, No Stevia
XYMOGEN
30 ingredients · Other Combinations
On Market
FITFood Lite Whey Berry Blast
XYMOGEN
33 ingredients · Amino acid/Protein
On Market
FITFood Whey Berry Blast
XYMOGEN
30 ingredients · Amino acid/Protein
On Market
FITFood Whey Creamy Chocolate
XYMOGEN
28 ingredients · Amino acid/Protein
On Market
FITFood Whey Creamy Chocolate No added Sugar, No Stevia
XYMOGEN
31 ingredients · Amino acid/Protein
On Market
Flavored Custom Amino Acid Base
Metabolic Maintenance
8 ingredients · Other Combinations
On Market
Flax Hull Lignans
Rapha Global Corporation
9 ingredients · Other Combinations
On Market
Flax Oil 1000 mg
Nature's Way EfaGold
15 ingredients · Fat/Fatty Acid
On Market
Flax Oil Omega-3 Oil
Herbal Select
13 ingredients · Fat/Fatty Acid
On Market
Flax Primrose Combo
Health From The Sun
13 ingredients · Fat/Fatty Acid
On Market
Flax Seed Fiber
Nopalina
23 ingredients · Botanical with Nutrients
On Market
Flax Seed Oil
Health From The Sun
11 ingredients · Fat/Fatty Acid
On Market
Flax Seed Oil/High Lignans
OL Olympian Labs
17 ingredients · Fat/Fatty Acid
On Market
Flax Seed plus Fiber
Nopalina
21 ingredients · Botanical with Nutrients
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.