OatsGrain

This food directly contains the following allergen, declarable under EU Regulation 1169/2011 Annex II (the EU’s 14 major allergens) — not a “may contain” cross-contact warning.

• VeganYes

  Yes — Oats is vegan.

  Based on Open Food Facts ingredient analysis. How we set this

• VegetarianYes

  Yes — Oats is vegetarian.

  Based on Open Food Facts ingredient analysis. How we set this

• Palm Oil FreeYes

  Yes — Oats is palm oil free.

  Based on Open Food Facts ingredient analysis. How we set this

• Gluten-FreeNo

  No — Oats is not gluten-free. Deciding ingredient: gluten.

  Based on the ingredient list and allergen data recorded in Open Food Facts. How we set this

• Dairy-FreeYes

  Yes — Oats is dairy-free.

  Based on the ingredient list and allergen data recorded in Open Food Facts. How we set this

• Nut-FreeYes

  Yes — Oats is nut-free.

  Based on the ingredient list and allergen data recorded in Open Food Facts (covers tree nuts and peanuts). How we set this

• Soy-FreeYes

  Yes — Oats is soy-free.

  Based on the ingredient list and allergen data recorded in Open Food Facts. How we set this

• Egg-FreeYes

  Yes — Oats is egg-free.

  Based on the ingredient list and allergen data recorded in Open Food Facts. How we set this

• KetoNo

  No — Oats is not keto-friendly (55.67 g net carbs per 100g, over the ≤10 g net carbs bar). (may not account for sugar alcohols; per-100g basis is a rougher heuristic than per-serving.)

  ≤5g net carbs per serving — our bar, not a regulatory standard. How we set this

• Low-CarbNo

  No — Oats is not low-carb (55.67 g net carbs per 100g, over the ≤15 g net carbs bar). (may not account for sugar alcohols.)

  ≤15g net carbs per serving — our bar, not a regulatory standard. How we set this

• Low-SugarUnclear

  We can't determine whether Oats is low in sugar from the available data — worth a quick check against the label before you buy.

  ≤5g sugar per serving — our own criterion; the FDA defines none. How we set this

• High-ProteinYes

  Yes — Oats is high in protein (16.89 g protein per 100g, meets the ≥10 g protein bar).

  ≥10g protein per serving — FDA 21 CFR 101.54 (≥20% DV). How we set this

• Low-FatNo

  No — Oats is not low-fat (6.9 g fat per 100g, over the ≤3 g fat bar).

  ≤3g fat per serving — FDA 21 CFR 101.62. How we set this

• Low-CalorieNo

  No — Oats is not low-calorie (389 kcal per 100g, over the ≤40 kcal bar).

  ≤40 kcal per serving — FDA 21 CFR 101.60. How we set this

• Oat beta-glucan carries the single strongest kind of nutrition claim in FDA's regulations.
  
  21 CFR 101.81 is an authorized health claim meeting FDA's Significant Scientific Agreement (SSA) standard — a distinct, more rigorous category than a "qualified health claim."
  
  It links beta-glucan soluble fiber from oat bran, rolled oats, or whole oat flour to a lower risk of coronary heart disease, as part of a diet low in saturated fat and cholesterol.
  
  To use the claim, a food must supply at least 0.75g of soluble fiber per labeled serving.
  
  That contributes toward a total of 3g or more of beta-glucan soluble fiber a day from oats, or oats and barley combined. ^[1]

• A 2021 systematic review and meta-analysis in The Journal of Nutrition found that oats lowered post-meal (postprandial) blood glucose and insulin responses compared with refined-grain controls.
  
  But the effect only held when the oat kernel's structure stayed largely intact.
  
  Whole oat kernels and thick oat flakes (over 0.6mm) showed it, while thin, quick-cook, or instant oat flakes (0.6mm or thinner) did not.
  
  That suggests heavier processing works against this particular benefit. ^[2]

• A 2025 systematic review in Nutrition Reviews covered randomized crossover trials of cereal fibers in healthy adults.
  
  It found that higher-fiber oat products showed one of the most consistent favorable effects among cereal fibers on subjective appetite and fullness ratings.
  
  But the same review found only a weak, inconsistent effect on how much food people actually ate at a later meal.
  
  So feeling fuller after oats doesn't reliably translate into eating measurably less afterward. ^[3]

• A 2023 integrative review in Nutrients describes oat fiber, including its beta-glucan, as fermentable by gut bacteria into short-chain fatty acids (acetate, propionate, and butyrate).
  
  The review associates oat intake with increases in beneficial genera such as Bifidobacterium, Lactobacillus, and Akkermansia muciniphila.
  
  But the authors note that most of this evidence comes from animal and in-vitro studies, and that dedicated human clinical trials are still needed to confirm the effect on the human gut microbiome. ^[4]

Iowa State University Extension and Outreach's consumer guidance on whole-grain storage notes that grains like oats carry an oil-rich germ, making them more sensitive to heat, light, and moisture than more refined grain products.

Milled or flaked whole grains — the form most rolled and quick oats are sold in — keep best refrigerated or frozen in an airtight container to slow that oil from oxidizing.

The general guideline: buy only what can be used within about 2-3 months for best quality. ^[5]