Does veganism have an ultra-processing problem?
Anxieties around “ultra‑processed” foods are colliding with the rise of plant‑based and vegan diets, but commenters argue that the core problem is vague definitions and agenda‑driven nutrition advice rather than processing per se. They highlight how broad classifications like the NOVA system lump together everything from tofu to Oreos, obscuring which specific ingredients, additives or manufacturing steps actually harm health, and note that evidence linking ultra‑processed foods to disease is still confounded and incomplete. Several voices instead emphasize practical heuristics—cooking mostly from whole ingredients, varying one’s diet, and treating vegan meat analogues and protein isolates as optional, not essential—while warning against fear‑based narratives around food technology.
Definition of “Ultra-Processed”
- Many commenters argue the NOVA/FAO definitions are vague, circular, or “industrial-production-is-bad” in disguise.
- Critiques:
- Criteria like “ingredients home cooks don’t use” or “additives for appeal” are seen as scientifically weak.
- Definitions risk labeling ordinary cooking (thickeners, emulsifiers, starch, roux, reductions) as “ultra-processed.”
- The category mixes very different products: tofu and unsweetened soymilk vs Oreos and potato chips.
- Defenders say fuzziness is normal in complex sciences and categories like processing level are still useful for large-scale epidemiology.
Health Impact and Evidence
- One camp: “ultra-processed” is a scare term; real issue is specific nutrients (e.g., low fiber, high sugar/fat) and hyperpalatability.
- Others point to epidemiological work (Monteiro, “Ultra-Processed People”, Lancet CVD paper) as evidence UPF intake correlates with worse health.
- NIH metabolic-ward study is discussed: people on UPF diets ate ~500 kcal/day more and gained weight; debate over whether protein content vs palatability drives this.
- Several note that current data are observational, confounded, and yield only “partial answers,” not physics-level certainty.
Vegan/Plant-Based Diets and UPFs
- Some vegans describe diets based almost entirely on fresh produce, grains, beans, and home cooking, arguing UPF isn’t inherent to veganism.
- Cited data: vegetarians and vegans consume somewhat more UPFs by energy share than meat eaters but also more “healthy” foods overall; absolute differences are small.
- Concern: “plant-sourced UPFs” are linked to higher CVD risk, but it’s unclear whether the specific UPFs vegans eat (e.g., tofu, soymilk) are the harmful subset.
- Disagreement on “meat substitutes”: some say veg*ns don’t need or crave them; others report strong cravings and frequent use of fake meats.
Protein, Supplements, and “Ultra-Processed” Status
- Discussion of achieving adequate protein on vegan diets via beans, grains, lentils, seeds, and sometimes protein powders (pea, rice).
- Debate over “complete proteins” and combining plant sources.
- Some note protein isolates and powders are clearly processed but not necessarily harmful; additives (sweeteners, flavors) are the main concern.
Broader Food-System and Practical Themes
- Several argue the real divide is:
- Class 1: separation/preservation processes (milling, oil extraction, drying) – often necessary and benign.
- Class 2: industrial recombination into hyperpalatable, additive-heavy products – where health concerns cluster.
- Emphasis on: cooking from raw ingredients, fiber-rich foods, variety over time, and traditional largely plant-based cuisines (e.g., in Asia) as workable low-UPF models.
- Some propose improved labeling, including “antinutrition” info (oxalates, purines, safe upper intakes).
- Meta-critique: the BBC piece is seen as loosely assembled and the HN title as misrepresenting the article’s actual focus.