Constipation or Diarrhea
Each stage of a child’s development requires different nutritional needs, and formula milk is tailored accordingly. However, if parents choose a formula that is not suitable for their child’s age, providing too many nutrients can put pressure on their immature digestive system, leading to absorption issues and digestive disorders such as constipation or diarrhea.

Frequent Vomiting
It is the body’s natural reflex to vomit and reject food that it identifies as harmful. Therefore, if a child frequently vomits after drinking milk, it could be due to an allergic reaction to an ingredient in the formula.
Child Refuses to Drink Milk
A child’s refusal to drink formula milk is a telltale sign of incompatibility. If the milk has an unpleasant taste or smell, the child may associate it with discomfort and hesitate to drink or take a long time to finish a bottle. Prolonged exposure to unpalatable formula can lead to decreased appetite and aversion to feeding.
Failure to Gain Weight
Formula milk is designed to provide a balanced and complete source of nutrition for infants. If a child is meeting their growth milestones and gaining height and weight appropriately, it is a sign that the formula milk is suitable and the child is absorbing the necessary nutrients. Conversely, if a child fails to gain weight or even loses weight despite adequate formula intake, it could indicate a mismatch between the formula and the child’s nutritional needs.

Other signs of formula milk incompatibility include frequent skin rashes, eczema, diaper rash, or green-colored stools. Parents should not ignore these signs as they could indicate a more serious underlying condition.
In summary, if a child exhibits any of the above signs, it is advisable to consult a pediatrician and consider switching to a more suitable formula. When choosing a new formula, look for one that offers a balanced nutritional profile, is easy to digest, and supports digestive and immune health. Given that 70% of a child’s immune system is located in the gut, promoting a healthy digestive system is crucial to building a strong natural defense mechanism against common illnesses.
Glico ICREO: Nurturing a Healthy Gut and Immune System from Day One As a trusted brand, Glico ICREO has been awarded the “Japanese Mothers’ Favorite Brand” six times (2015, 2019, 2020, 2021, 2023, and 2024). Glico ICREO offers balanced, natural, and child-friendly nutritional products, similar to the concept of skin-to-skin contact, which is recommended within 90 minutes of birth to enhance the infant’s gut health and immune system. Building on the benefits of skin-to-skin contact, Glico ICREO products are meticulously formulated with balanced nutrient levels tailored to each stage of a child’s development. Additionally, they are enriched with precious nutrients, including five types of Nucleotides, which stimulate the production of IgA and IgG antibodies and promote the growth of villi in the intestines. This unique blend helps children maintain a healthy gut and robust immune system from day one. ![]() |
Eat a Banana a Day for a Beautiful Surprise
“Bananas are a true superfruit, offering an abundance of health and beauty benefits that many are yet to discover. From boosting your nutritional intake to enhancing your natural glow, this humble fruit packs a powerful punch. Read on to uncover the secrets of this versatile produce and learn why it should be a staple in every household.”