The health halo surrounding plant-based meat and dairy alternatives has slipped a little further.

A revealing new study by the Institute for Optimum Nutrition (ION) has lifted the lid on the compositional reality of vegan substitutes, finding that these products contain nearly double the number of additives found in their traditional, animal-based counterparts.

For years, consumers have flocked to the plant-based aisles, driven by the instinct that plant-derived automatically equates to healthier. However, the ION findings add fresh fuel to a brewing global debate surrounding ultra-processed foods (UPFs), signalling more bad news for a category already struggling to maintain its momentum with mainstream shoppers.

Replicating meat with chemistry

To replicate the distinct texture, mouthfeel, flavour, and shelf-life of real meat and dairy, food manufacturers rely on industrial food science. The ION study highlights that while a standard meat product or simple dairy item might feature a relatively minimal ingredient list, its plant-based equivalent is frequently a complex chemical matrix.

According to the research, this structural engineering results in an additive count that dwarfs traditional options. To get a veggie burger to bleed like beef or a vegan cheese to melt like cheddar, a cocktail of modifiers is required. Common culprits frequently identified across the category include:

• Methylcellulose and formed gums: heavy-duty binding agents used extensively to mimic the dense chewiness of animal protein.
• Emulsifiers and industrial oils: added to artificially recreate the juicy, fatty mouthfeel of animal lipids.
• Excessive sodium and flavour enhancers: deployed generously to mask the naturally bitter, chalky, or earthy undertones of isolated pea, soy, or hemp proteins.

What it signals for the future of food

The initial wave of the plant-based boom was won on novelty, convenience, and environmental ethics. However, the next phase of market survival will undoubtedly be determined by clean-label innovation.

As consumer awareness regarding UPFs hits an all-time high, brands can no longer rely solely on a vegan stamp to imply wellness. Moving forward, the category must pivot away from heavy chemical synthesis and toward simpler, recognisable, whole-food ingredient lists if it hopes to win back the trust of the everyday consumer.

The study was carried out by Joseph Whittaker, ION graduate Vivienne Alexa Robinson and Elouise Redmayne and published in the journal Food Additives & Contaminants: Part A.