In recent years, widespread shortages of infant formula have prompted many parents and caregivers to explore alternative options, including European-made formulas. This exposure has ignited a growing interest in whole milk-based formulas, leading American manufacturers to respond to the emerging demand. As a result, new whole milk formula products are now appearing on the U.S. market, offering more choices for families.

Abbott, a prominent name in infant nutrition, introduced Similac 360 Total Care Made With Whole Milk in August 2026. This ready-to-feed liquid formula is notable as the first of its kind in the U.S. to use whole milk. Preceding this, Bobbie launched its own American-produced organic whole milk infant formula in 2025, which it promotes as being inspired by the composition of breast milk. These introductions mark a shift in the domestic formula market, catering to parents seeking alternatives to traditional skim milk-based products. Experts have weighed in on these new offerings, providing essential information for caregivers navigating these choices.

Traditionally, most infant formulas available in the United States have been derived from cow's milk, typically utilizing skim milk as their primary base. However, the introduction of whole milk infant formulas represents a significant evolution in the market. Dr. Anthony Porto, a pediatric gastroenterologist and co-author of a guide on infant feeding, explains that the key distinction lies in the fat content. Whole milk naturally contains more fat, which reduces the need for added vegetable oils to achieve the optimal fatty acid balance crucial for infant development. This natural fat composition is a notable difference from skim milk-based formulas, which require more added oils to meet nutritional requirements.

Beyond fat content, whole milk formulas also offer a richer profile of bioactive ingredients that can support an infant's growth and development. One such component is the milk fat globule membrane (MFGM), which is naturally present in whole milk. Standard formulas typically lack MFGM unless it is added as a supplementary ingredient. This means whole milk formulas can provide these beneficial components inherently, aligning them more closely with the complex composition of breast milk. The presence of MFGM is particularly significant as it has been linked to potential benefits for brain development and immune system support in infants, making whole milk formulas an appealing option for some parents.

When considering whole milk formulas, parents may encounter both organic and grass-fed options, each with distinct characteristics. For a whole milk formula to be certified as organic, it must predominantly consist of organic ingredients and adhere to the strict certification standards set by the USDA. This ensures that the ingredients are produced without synthetic pesticides, fertilizers, or genetically modified organisms. In contrast, grass-fed formulas are made from the milk of cows that primarily graze on grass, but these products may include some ingredients that are not organically certified. Dr. Porto clarifies that while grass-fed milk comes from cows with specific dietary practices, the overall formula might not meet all organic criteria.

Dr. Jenelle Ferry, a neonatologist and director of feeding, nutrition, and infant development at Pediatrix Medical Group, further explains that organic certification for infant formula in the U.S. focuses heavily on the types and proportions of additives, preservatives, and processing methods used during production. For instance, formulas with partially broken-down proteins, designed for infants with specific digestion issues, may not qualify as organic even if their ingredients are organic, because the processing itself is not considered natural. This distinction highlights that while both organic and grass-fed options aim for natural and high-quality ingredients, their certification and specific benefits are based on different sets of standards and practices.

According to experts, there is currently no definitive evidence to suggest that whole milk formulas are inherently superior to traditional infant formulas for babies. All infant formulas sold in the U.S. are rigorously regulated by the Food and Drug Administration (FDA) and must meet specific nutrient requirements. These regulations ensure that every formula provides adequate levels of fat, protein, sugar, and over 20 essential vitamins and minerals, all crucial for healthy infant growth and development. Therefore, parents can be assured that any FDA-approved formula, regardless of its base, is designed to meet their baby's nutritional needs.

While whole milk formulas may reduce the need for added vegetable oils and naturally contain beneficial components like MFGM—a component found in breast milk that may support brain development and immune function—the specific health benefits of these formulas are still not fully understood and require further scientific investigation. Similarly, there is no scientific consensus that organic or grass-fed formulas offer distinct advantages over standard formulas. Consequently, the choice between these options often comes down to personal preference, ethical considerations regarding animal welfare, or environmental impact, rather than proven superior health outcomes for the infant.

When selecting an infant formula, including whole milk varieties, several factors warrant careful consideration. It's essential to remember that just like standard formulas, whole milk formulas, whether grass-fed or organic, feature varying ratios of proteins, fats, and other key nutrients. Therefore, thorough research and consultation with healthcare professionals are paramount. Firstly, parents should engage in discussions with their pediatrician to address their baby's unique nutritional requirements. For infants with specific protein intolerances, digestion issues, or those born prematurely, certain whole milk options may not be suitable due to their specialized needs for increased protein, calcium, phosphorus, and zinc.

Secondly, practical preferences such as the availability of powdered versus liquid formulations should be factored into the decision, as these can impact convenience and suitability for some infants. Thirdly, the cost of organic options is a significant consideration. Organic formulas typically entail higher manufacturing costs, which translate to a more expensive product. Experts advise against choosing these options if they impose undue financial strain, given the availability of numerous healthy and affordable alternatives. Lastly, consumers must exercise caution, especially when purchasing international formulas online from third-party vendors. While FDA-registered whole milk formulas purchased directly from manufacturers are considered safe, those bought from unofficial sources may not adhere to U.S. regulations, potentially compromising proper storage, labeling, and overall safety.