PlainVitamins

protein

Soy Protein supplements

Half of the 46 soy protein supplements in the NIH label database that print an amount list 142.5 mg or less per serving; the middle half list 62.5 mg to 487.5 mg (DSLD version 9.4.0, January 2026).

Products listing it
8346 print an amount; 37 list it inside a blend without an amount
Median per serving
142.5 mgmiddle half 62.5 mg to 487.5 mg

How much soy protein do supplements contain?

The median product lists 142.5 mg per serving. One in ten lists 50 mg or less, one in ten 15,600 mg or more. The amount printed most often is 100 mg (10 products).

Products by amount of soy protein per serving

46 products, log scale; extreme 0.2% at each end left out of the drawing.

Soy Protein: products by amount per serving30 mg300 mg3,000 mg
Soy Protein: products by amount per serving30 mg100 mg300 mg1,000 mg10,000 mg
Soy Protein: products by amount per serving30 mg100 mg300 mg1,000 mg3,000 mg10,000 mg
Soy Protein: products by amount per serving30 mg100 mg300 mg1,000 mg3,000 mg10,000 mg
Soy Protein: products by amount per serving30 mg100 mg300 mg1,000 mg3,000 mg10,000 mg
The amounts printed most often
Amount per servingProductsFor example
100 mg10 Amino Complex 4400 (GNC Pro Performance); Vitamins For The Hair (Radiance); Heart Miracle (Century Systems)
50 mg8 HRT Companion (Vitanica); Hair, Skin & Nails (21st Century)
400 mg4 Replenishing Capsules (Purified Brand); Soy Isoflavones (The Vitamin Shoppe)
25 mg2 Vitamins for the Hair (Puritan's Pride)
200 mg2 Formula VM-2000 (Solgar)
300 mg2 Complete Greens (NutriClean)
7,000 mg2
20,000 mg2 Premium Soy Protein Isolate Powder Vanilla (Vitamin World); Pure Soy Protein Isolate 90% Powder (HARD RHINO)
12.5 mg1 Complete Women's (Sundown Naturals)
28 mg1 Soy Protein 450 mg (TerraVita Premium Collection)

Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).

Which products list the most soy protein?

On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).

In which products and brands?

Products listing soy protein by DSLD product type

Soy Protein by product typeOther Combinations37Amino acid/Protein5Botanical with Nutrients2Botanical1Multi-Vitamin and Mineral (MVM)1
Soy Protein by product typeOther Combinations37Amino acid/Protein5Botanical with Nutrients2Botanical1Multi-Vitamin and Mineral (MVM)1
Soy Protein by product typeOther Combinations37Amino acid/Protein5Botanical with Nutrients2Botanical1Multi-Vitamin and Mineral (MVM)1
Soy Protein by product typeOther Combinations37Amino acid/Protein5Botanical with Nutrients2Botanical1Multi-Vitamin and Mineral (MVM)1
Soy Protein by product typeOther Combinations37Amino acid/Protein5Botanical with Nutrients2Botanical1Multi-Vitamin and Mineral (MVM)1

Brands listing it most: Vitamin World (4), Nature's Answer (3), Purified Brand (3), Sundown Naturals (2), TerraVita Premium Collection (2), Vitarol (2), Vitanica (2), 21st Century (2), Nutrilite (2), Solgar (2).

Every product listing soy protein

83 products, A to Z by name (page 2 of 2), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

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