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Soy Protein Isolate substitutes

Out of soy protein isolate? These are its closest flavor matches, ranked by Epicure's flavor-compound model — the percentage is how near each sits to soy protein isolate in flavor space. Hemp Seed is closest at 49%.

  1. 01
    Hemp Seed
    49% flavor match
  2. 02
    Nut Butter
    49% flavor match
  3. 03
    Almond Butter
    47% flavor match
  4. 04
    Coconut Oil
    47% flavor match
  5. 05
    Psyllium Husk
    47% flavor match
  6. 06
    Stevia
    46% flavor match

Cooking with soy protein isolate?

Paste your recipe into Mise — we'll find every ingredient as a real product you can buy, and swap the ones you can't, like soy protein isolate, for the closest match in stock.

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How we choose these

Each match is the nearest neighbour to soy protein isolate in Epicure, a food-science model mapping the aroma compounds of ~1,790 ingredients across 4 million recipes. The percentage is their flavor-space similarity. Taste as you go — substitutes shift texture and intensity too.

Flavor data: Epicure (Radzikowski & Chen, 2026), arXiv:2605.22391, CC-BY-4.0.