A multidisciplinary expert panel says plain, unsweetened yogurt can be introduced from 6 months as part of complementary feeding, offering useful nutrients and live microorganisms while helping put common myths about dairy in infants to rest.
Review: Yogurt in infant nutrition: Answers to frequent questions. Image Credit: Dombrovschi Natalia / Shutterstock
A recent expert panel special article published in Archivos Argentinos de Pediatría offers a multidisciplinary, evidence-based overview of yogurt in infant nutrition. Drawing on insights from a multidisciplinary panel including pediatricians, nutritionists, pediatric gastroenterologists, a psychiatrist, and a microbiologist, the review highlights yogurt as a nutrient-dense food rich in proteins, vitamins, minerals, and live microorganisms, with some products also serving as vehicles for probiotic bacteria that support gut health and immune development. The panel supports introducing yogurt from 6 months of age, in line with clinical guidance, as part of a balanced diet, emphasizing safety, processing, and avoiding added sugars.
Fermented foods are widely recommended in pediatric nutrition guidance to enhance dietary diversity and support gut and immune health. However, some are less appropriate for young children; foods such as kimchi, miso, and natto may have strong flavors, while others, like kefir and kombucha, can contain small amounts of alcohol. In contrast, yogurt and fresh cheeses are better options, providing beneficial microbes and important nutrients such as calcium and other micronutrients. Despite these advantages, uncertainty and misconceptions persist about yogurt’s use in infant and child nutrition.
In this special article, a multidisciplinary expert panel addressed questions and misconceptions about yogurt use in children. Drawing on concerns from clinical practice, the panel selected key questions by consensus. To support their responses, they searched peer-reviewed literature in PubMed, ScienceDirect, and Scopus.
Yogurt: A Nutrient-Dense Fermented Food in Infant Nutrition
Yogurt is a fermented dairy product traditionally made from pasteurized milk using lactic acid bacteria. Humans have consumed yogurt for more than 4,000 years. Its benefits were first noted in Balkan populations, alongside the identification of Streptococcus thermophilus and Lactobacillus bulgaricus, which remain the primary starter cultures used today.
Nutritionally, yogurt is a source of live microorganisms, can serve as a vehicle for probiotic bacteria, and provides high-quality proteins and essential micronutrients such as calcium, magnesium, phosphorus, zinc, potassium, and vitamins A, B-complex, and D. These may help support gut health and immune function. Fermentation further enhances nutritional value by improving protein digestibility and increasing the bioavailability of amino acids, calcium, magnesium, phosphorus, and certain B vitamins, including folate.
Modern production may also incorporate specific probiotic strains, such as L. rhamnosus GG and Bifidobacterium animalis subsp. lactis, allowing differentiation between standard yogurt and probiotic-enriched varieties.
Safety and Practical Recommendations for Introducing Yogurt in Infancy
Healthcare professionals recommend introducing yogurt around 6 months as part of a balanced complementary feeding pattern, while breast milk or formula continues to provide the main nutritional support. Experts suggest beginning with small amounts of yogurt made from cow’s milk, mixed into foods such as purees or desserts. They emphasize offering plain, unsweetened yogurt without added sugars or sweeteners until at least 2 years of age, even though its live microorganisms remain and probiotic benefits may persist, even with minimal sugar content.
Yogurt is generally well tolerated in infants, including those with lactose intolerance, as fermentation reduces lactose content and improves digestibility. Its texture also slows gastric emptying, allowing better lactose breakdown. However, lactose-free options are available when needed. Although yogurt undergoes technological processing such as pasteurization and fermentation, it is not classified as ultra-processed when free of additives like sugar, colorants, or sweeteners. In addition, its nutritional quality remains largely intact depending on formulation.
Strict heat treatments during production help ensure the inactivation of potential pathogenic microorganisms, making properly prepared yogurt safe for consumption. However, raw milk yogurt products carry a significantly higher risk of infection, including hemolytic uremic syndrome, and should be avoided in infants. Proper refrigeration is also essential. While yogurt can remain stable for short periods due to its acidity, prolonged exposure to room temperature may alter texture and fermentation activity, affecting quality rather than safety.
Debunking Common Myths About Yogurt in Children
Despite widespread misconceptions, scientific evidence does not support the idea that yogurt causes inflammation, excess mucus production, or respiratory symptoms. Studies show that natural, unsweetened yogurt does not increase the risk of tooth decay. Instead, it may support oral health by reducing Streptococcus mutans, limiting bacterial adhesion, and disrupting biofilm formation. Its calcium and phosphorus content may also aid enamel remineralization when no added sugars are present.
Similarly, yogurt consumption has not been linked to acne. In fact, fermented dairy products may offer protective effects through anti-inflammatory compounds, such as lactic acid and bioactive peptides. Concerns that dairy increases mucus or worsens asthma are also unsupported, with any perceived effect likely due to temporary sensory effects in the mouth rather than true respiratory changes.
In conclusion, yogurt is a safe, nutrient-rich, evidence-based addition to infant diets from six months of age and may support gut health, immune function, and overall nutrition. Its benefits depend on appropriate use and formulation. While even sweetened varieties may have better nutritional density than confectionery, plain, unsweetened yogurt remains the best choice. Improved labeling, parental guidance, and further research may help strengthen its role in early-life nutrition and long-term health. Danone Argentina S.A. funded the research, although the authors stated that the company had no editorial control and that the experts participated independently.