Recurring bloating, a tense stomach after every meal, and digestive discomfort that has become almost commonplace lead many to consider eliminating dairy products entirely. This approach often results in digestive relief, sometimes within a few days. However, this action, frequently taken without medical advice, can have unintended consequences on the body. Blood tests have revealed that eliminating all dairy products without proper guidance can lead to deficiencies in calcium and vitamin D, which are essential for bone strength, muscle contraction, and blood clotting. The symptoms often start with persistent bloating, abdominal pain after consuming milk or cheese, and a constant feeling of a bloated stomach. Lactose intolerance is a common hypothesis, sometimes without medical confirmation, leading individuals to completely eliminate all dairy products. However, this decision needs nuance: hard cheeses contain very little lactose, and yogurts with live cultures are often better tolerated than milk itself. A complete elimination is not always necessary, even if it seems like the simplest solution to alleviate digestive discomfort. The initial days without dairy products often bring relief, including less cramping, more regular bowel movements, and a relaxed stomach. This rapid improvement reinforces the idea that the problem was due to dairy products, encouraging continued elimination for weeks or months. However, dairy products are a significant source of calcium in Western diets, representing about half of the total calcium intake. Eliminating them without compensating through other food sources can lead to a silent deficiency, which may not manifest through visible symptoms but can affect long-term bone density. Blood tests often reveal insufficient calcium or vitamin D levels, with daily calcium requirements reaching 1200 to 1300 milligrams for adolescents, pregnant women, and adults over 50 years old. People who have excluded dairy products often only reach 500 to 700 milligrams per day. Calcium absorption depends directly on a sufficient intake of vitamin D. Alternatives such as lactose-free milks and enriched plant-based drinks can help maintain calcium intake while avoiding digestive discomfort. However, it is important to check labels, as some plant-based cheeses do not contain calcium or vitamin D. Hard cheeses are naturally low in lactose and can be a better option. Yogurts rich in live cultures are often better digested, and lactose-free milks retain calcium and proteins while avoiding intestinal issues. In cases of doubt, a vitamin D supplement may be considered. Before permanently excluding dairy products, it is better to consult a healthcare professional, who can guide toward suitable alternatives and regular biological follow-up. Improved digestion should not lead to an overall imbalance in the diet.