Independent protein reviews for sensitive stomachs.
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Compare the formulaEquip Prime ProteinLegion Whey+Orgain Organic Plant ProteinOrgain SimpleOra So Lean & So CleanKOS Organic Plant ProteinNaked PeaNaked RiceNaked WheyNuzest Clean Lean ProteinSunwarrior Warrior BlendSunwarrior Classic PlusLegion Plant+Micro Ingredients Pea ProteinDEAL SUPPLEMENT Pea Protein
Lactose statementUnknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.
Sugar alcoholsUnknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Partial evidence — Manufacturer says no erythritol; not a complete all-polyol absence statement.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.
Added fiber / gumsUnknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Listed — Acacia in the documented creamer base; November 2024 application sheet.Unknown — Not established for the exact version in our reviewed evidence.Listed — Jerusalem artichoke inulin in the cited ingredient information.Unknown — Not established for the exact version in our reviewed evidence.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Not listed — Not separately listed in the cited one-ingredient Unflavored formula; confirm current label.Unknown — Not established for the exact version in our reviewed evidence.Listed — Acacia gum within the cited Unflavored MCT ingredient.Listed — Guar gum in the Vanilla ingredient list.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.Unknown — Not established for the exact version in our reviewed evidence.
Tolerance evidenceNo product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.No product-specific clinical tolerance study assessed by this site. Individual response is not predicted.
PackagingUnflavored packaging. Package design and serving information can change.Family packaging shown: Banana Bread. The purchase option below is Unflavored, 30 servings; the pictured flavor is not that option.Natural Unsweetened family packaging shown. The linked research source also covers other flavors.Vanilla family packaging shown. Always check the ingredient and allergen panel for the flavor being purchased.Unsweetened & Unflavored, 20-serving packaging from the official product variant.Unflavored & Unsweetened, 28-serving package shown.Unflavored Naked Pea, 5 lb packaging from the manufacturer.Unflavored Naked Rice, 5 lb organic brown rice protein packaging.Unflavored Naked Whey, 5 lb grass-fed whey packaging from the manufacturer.Smooth Vanilla US 500 g packaging. Facts below refer to the Smooth Vanilla panel, not Just Natural.Unflavored Warrior Blend packaging. Package size pictured differs from some manufacturer options; use the current size-specific panel.Vanilla Classic Plus family packaging. Ingredient discussion is specific to the cited Vanilla formula; check size-specific serving information.Dutch Chocolate Plant+ packaging shown. The linked US catalog version is Chocolate, 20 servings; verify the retailer selection and current panel.Micro Ingredients Pea Protein, 5 lb packaging. Check the current selected package before ordering.DEAL SUPPLEMENT Unflavored Pea Protein, 5 lb packaging. Current labels take priority over packaging shown.
SourceBeef-derived proteinWhey protein isolate (milk)Pea, brown rice and chia (documented Unsweetened panel)Plant-based family; contains nut ingredientsMulti-source plant blendMulti-source plant blendYellow pea protein, single listed ingredientOrganic brown rice protein, single listed ingredientGrass-fed whey protein (milk)Pea protein isolatePea, hemp and goji protein blendRice, pea, quinoa, chia and amaranth blendPea and brown rice protein blendPea proteinPea protein isolate
Version / image scopeUnflavored packaging. Package design and serving information can change.Family packaging shown: Banana Bread. The purchase option below is Unflavored, 30 servings; the pictured flavor is not that option.Natural Unsweetened family packaging shown. The linked research source also covers other flavors.Vanilla family packaging shown. Always check the ingredient and allergen panel for the flavor being purchased.Unsweetened & Unflavored, 20-serving packaging from the official product variant.Unflavored & Unsweetened, 28-serving package shown.Unflavored Naked Pea, 5 lb packaging from the manufacturer.Unflavored Naked Rice, 5 lb organic brown rice protein packaging.Unflavored Naked Whey, 5 lb grass-fed whey packaging from the manufacturer.Smooth Vanilla US 500 g packaging. Facts below refer to the Smooth Vanilla panel, not Just Natural.Unflavored Warrior Blend packaging. Package size pictured differs from some manufacturer options; use the current size-specific panel.Vanilla Classic Plus family packaging. Ingredient discussion is specific to the cited Vanilla formula; check size-specific serving information.Dutch Chocolate Plant+ packaging shown. The linked US catalog version is Chocolate, 20 servings; verify the retailer selection and current panel.Micro Ingredients Pea Protein, 5 lb packaging. Check the current selected package before ordering.DEAL SUPPLEMENT Unflavored Pea Protein, 5 lb packaging. Current labels take priority over packaging shown.
Our assessmentA beef-derived alternative to compare when you want to move away from whey while keeping an animal-derived protein source.A whey-isolate option for readers who want milk-derived protein. The linked Unflavored version should be checked separately from flavored Whey+.Natural Unsweetened offers a pea, rice and chia blend with a creamer base. It is an unsweetened blend, rather than a protein-only powder.An Orgain plant family sweetened with coconut sugar, with nut ingredients to check. Useful for comparing sweetener choices, rather than seeking an unsweetened powder.An unsweetened plant blend that also lists coconut milk, inulin and enzymes. Compare those additions as well as its sweetening approach.A named Unflavored & Unsweetened option combining five plant sources. Compare the blend itself, not just the absence of added sweetness.Unflavored Naked Pea lists yellow pea protein alone. A useful starting point when comparing single-source powders with multi-ingredient blends.An unflavored, single-ingredient brown rice option. Compare it when you want rice protein itself rather than a finished pea-and-rice blend.Unflavored Naked Whey lists grass-fed whey protein. It remains milk-derived and is distinct from the separately named Naked Whey Isolate.The US Smooth Vanilla panel lists pea isolate, natural flavors and thaumatin. No added sugar does not make this an unsweetened version.Unflavored Warrior Blend combines fermented pea, hemp and goji with an MCT ingredient. Coconut oil and acacia gum remain part of the formula.Classic Plus Vanilla combines five named plant sources and includes guar gum and steviol glycosides. It is a sweetened option to compare with unflavored powders.A pea-and-rice blend distinct from Legion Whey+. The linked Chocolate, 20-serving option is a flavored formula, not an unsweetened substitute.An unsweetened pea option in a 5 lb bag. Our small review sample flags conflicting taste expectations, preparation context and a practical closure check.An unflavored pea-isolate option in a 5 lb bag. Sampled reports disagree about taste and mixing, so preparation details deserve attention before buying.
Worth considering for
  • Compare if you want a non-whey animal source.
  • Compare if milk-derived protein fits your restrictions and you want an isolate.
  • Compare if you want an unsweetened blend and can evaluate its creamer components.
  • Compare if avoiding stevia or erythritol is your preference, rather than avoiding all sweetness.
  • Compare if you want an unsweetened blend and can assess added inulin separately.
  • Compare if you want an unsweetened multi-source plant option.
  • Compare if you want to isolate the ingredient-list difference between plain pea and a blend.
  • Compare if you are examining rice rather than pea as a protein source.
  • Compare if you want an unflavored whey list and milk-derived protein fits your needs.
  • Compare if you are comfortable with a flavored pea formula containing thaumatin.
  • Compare if you want an unflavored blend and are checking MCT-related additions.
  • Compare if stevia-based sweetness and a Vanilla multi-source blend meet your preferences.
  • Compare if you want a pea-and-rice alternative to milk-derived Whey+.
  • Compare if you want an unsweetened pea source and a large bag fits your routine.
  • Compare if you want an unflavored pea-isolate option with a version-specific label check.
Tradeoffs
  • Not a plant-based option.
  • Beef protein is not automatically nutritionally equivalent to a whey product.
  • No individual tolerance outcome is established by this review.
  • Contains a milk-derived protein.
  • Naturally sweetened does not mean unsweetened.
  • Lactose questions require product-specific information.
  • The family contains different flavor recipes.
  • No-added-sugar claims do not answer every sweetener question.
  • A plant-based description alone is not a personal tolerance result.
  • The brand identifies peanuts and tree nuts in this family.
  • Coconut sugar still adds sweetness.
  • Simple is a name, not a guarantee of individual suitability.
  • Unsweetened does not mean a single-ingredient powder.
  • The official formula information includes inulin and digestive enzymes.
  • Digestive-effect claims are not a personal tolerance guarantee.
  • Not automatically a single-source formula.
  • The manufacturer lists additional ingredients beyond protein sources.
  • We have not verified personal digestive effects or tested texture.
  • Pea is a legume; a short ingredient list does not settle allergy suitability.
  • Unflavored does not mean tasteless.
  • No low-FODMAP or personal tolerance outcome is established here.
  • A rice source alone does not prove a particular digestive outcome.
  • A protein panel is not the same as a complete meal specification.
  • Nutritional equivalence with whey is not established by this review.
  • Whey is a milk protein.
  • A single ingredient does not establish a lactose amount.
  • Naked Whey and Naked Whey Isolate are separate product names.
  • The cited Smooth Vanilla list includes thaumatin.
  • The product family has several flavor recipes.
  • Manufacturer digestive claims are not independently established here.
  • Unflavored does not mean only protein.
  • The source mix does not match Sunwarrior Classic Plus.
  • No guarantee about bloating or low-FODMAP status follows from the source names.
  • Vanilla lists guar gum and a stevia-derived sweetening ingredient.
  • The blend is not a single brown-rice ingredient.
  • Individual source amounts are not given in the cited ingredient list.
  • Naturally sweetened is not unsweetened.
  • Flavor ingredients and facility statements must be read on the actual package.
  • The family’s research discussion is not a personal tolerance trial.
  • The brand description does not establish an individual digestive outcome.
  • This assessment does not establish low-FODMAP suitability.
  • We have not measured taste, texture or mixing.
  • Unflavored alone does not establish unsweetened status.
  • A pea-isolate description is not a low-FODMAP certification.
  • No clinical or personal tolerance testing was performed by this site.
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Family-level comparison. It does not establish that every flavor shares the same formula or that one source guarantees better tolerance.