A comprehensive study of 651 baby food products found that over 70% contain additives increasingly linked to inflammation and disruptions in the gut microbiome, raising concerns about what infants and toddlers are eating during critical developmental years. Researchers identified 105 unique additives across the baby foods examined, with many serving purely cosmetic purposes rather than providing nutritional benefit.

What's Actually in Your Baby's Food?

The findings are striking: the top ingredient in 71% of these baby foods wasn't a fruit or vegetable—it was one or more additives. "What shocked me was the top ingredient in 71% of these baby foods wasn't a fruit or vegetable—it was one or more additives," said Elizabeth Dunford, an adjunct assistant professor of nutrition at the University of North Carolina at Chapel Hill and first author of the study published in the peer-reviewed journal Nutrients.

The study examined baby foods, drinks, and snacks marketed for children ages 6 months to 36 months. An equal number of the products tested were classified as ultra-processed foods (UPFs), which include items like animal and fish crackers, puffs, and sweetened yogurts. These products are designed to be hyperpalatable—meaning they're engineered to make it difficult to "eat just one".

The additives found in these products serve various purposes, but many are unnecessary. Dunford emphasized that "there is no need for these additives; they are simply cosmetic, designed to make the food look more appealing". This is particularly concerning because babies' digestive systems are still developing and cannot handle additives the way adult stomachs can.

Which Additives Are Most Common in Baby Foods?

Researchers identified several categories of additives appearing frequently in baby food products:

• Synthetic Flavor Enhancers: Found in 36% of baby foods tested, including carrageenan, which has been linked to gut inflammation
• Thickeners: Present in 29% of products, including carrageenan, xanthan gum, and guar gum, with some studies linking them to increased type 2 diabetes risk
• Synthetic Food Dyes and Emulsifiers: Each found in 19% of baby foods, with petroleum-based dyes linked to behavioral issues in children

An April 2025 study found a connection between thickeners and emulsifiers such as polysorbate 80, carrageenan, xanthan gum, and guar gum and an increased risk of type 2 diabetes. While xanthan and guar gum are plant-derived and generally considered safe, other research has documented disruptions in gut bacteria and inflammation associated with these additives.

Why Does This Matter for Long-Term Health?

The timing of ultra-processed food exposure is critical. Food preferences begin in the first years of life, and babies exposed to ultra-processed foods learn to prefer sugar and artificial flavors over nutrient-dense whole foods. This early preference can set the stage for unhealthy eating patterns throughout childhood and adulthood.

The broader health implications are significant. Studies have shown that eating just 10% more calories daily from ultra-processed food—roughly one serving—may be associated with a 50% higher risk of cardiovascular disease-related death. There's also a 55% greater chance of obesity and a 40% higher probability of developing type 2 diabetes.

According to the U.S. Centers for Disease Control and Prevention, about 62% of foods eaten by an American child are ultra-processed. Jane Houlihan, research director for Healthy Babies, Bright Futures, an alliance of nonprofits, scientists, and donors focused on reducing babies' exposures to neurotoxic chemicals, stressed the importance of change: "Baby food companies should be making it easier, not harder, for families to choose healthy options".

How to Choose Cleaner Baby Foods

• Read Labels Carefully: Check ingredient lists for additives like carrageenan, xanthan gum, synthetic dyes, and emulsifiers. Look for products with recognizable whole food ingredients as the primary components
• Prioritize Single-Ingredient Foods: Choose baby foods that contain primarily one ingredient, such as pureed fruits, vegetables, or grains without added thickeners, colorants, or flavor enhancers
• Make Homemade Options When Possible: Preparing baby food at home using fresh fruits, vegetables, and grains gives you complete control over what your child consumes and eliminates unnecessary additives
• Avoid Sweetened Yogurts and Puffs: These popular baby snacks are often ultra-processed and contain added sugars and additives; opt for plain yogurt or whole fruit alternatives instead

What Regulatory Changes Are Needed?

Currently, there is little regulatory oversight for baby foods sold in the United States. The American Academy of Pediatrics called for "urgently needed reforms" to the current FDA regulatory process for food additives in a 2018 policy statement. One major gap: companies can add new chemicals to baby foods without any FDA safety review by simply declaring them "Generally Recognized as Safe," or GRAS.

Some progress is being made. The FDA recently approved beetroot as a natural food coloring and expanded access to spirulina extract, offering alternatives to petroleum-based food dyes that have received scrutiny from regulators due to links to behavioral issues in children.

The Consumer Brands Association, which represents manufacturers of baby food and other products, maintains that "food manufacturers adhere to the rigorous evidence-based safety standards and nutrition policy established by the FDA to deliver safe, affordable and convenient products that families depend on every day." However, the organization also noted there is "currently no agreed upon scientific definition of ultra-processed foods".

For parents concerned about additives in baby foods, the most practical approach is careful label reading and, when feasible, preparing homemade options using whole foods. As research continues to reveal connections between additives and health issues, the pressure on manufacturers and regulators to prioritize clean eating for the youngest consumers is likely to increase.