Nutrition for autoimmune diseases

Short answer: Nutrition for autoimmune diseases is a personalized approach to modulate the immune response and reduce inflammation by eliminating and reintroducing foods, which is key for athletes to improve recovery and performance. Practical advice: Ensure adequate protein intake (1.6-2.2 g/kg) and carbohydrates (3-5 g/kg) and include Omega-3 (2-4 g EPA/DHA) to reduce inflammation.

Nutrition for autoimmune diseases is a personalized dietary approach where specific foods are eliminated, using principles to reduce inflammation and support the immune system.

For broad context, see the complete guide to proper nutrition — a fundamental guide from the expert team at Sport Zona.

What are autoimmune diseases?

Nutrition for autoimmune diseases is a specialized dietary regimen aimed at modulating the immune response and reducing systemic inflammation characteristic of autoimmune conditions. Its essence lies in avoiding foods that can provoke an immune reaction or contribute to impaired intestinal permeability, known as "leaky gut." The approach is based on the concept that certain food components can act as triggers for autoimmune symptoms by affecting the gastrointestinal barrier and activating the immune system.

This form of nutrition is not a universal protocol but rather an individualized strategy. It focuses on achieving nutritional balance, providing all necessary macro- and micronutrients, while simultaneously eliminating potentially problematic foods. The goal is to alleviate symptoms, along with improving overall health and quality of life, which is very important, especially for actively training individuals.

How does this approach work?

The mechanism of action of nutrition for autoimmune diseases is based on several fundamental principles. First, by eliminating foods that are often associated with allergies, intolerances, or inflammatory reactions (such as gluten, dairy, soy, refined sugars). Second, by providing nutrient-rich foods that support gut function and reduce inflammation—fruits, vegetables, lean protein, and healthy fats. Third, by restoring the gut microflora, which plays a central role in regulating the immune system.

The process typically involves an elimination phase, during which all potentially problematic foods are excluded for a specific period (e.g., 30-90 days). The next phase is reintroduction, where eliminated foods are gradually reintroduced one by one, with careful monitoring of the body's reactions. This allows for the identification of specific foods that trigger symptoms in the individual. Energy balance and macronutrient intake are adjusted according to needs to maintain weight and energy for physical activity.

Why is nutrition important for athletes with autoimmune diseases?

Nutrition for autoimmune diseases in athletes is crucial for optimizing athletic performance and recovery, as autoimmune processes often cause reduced energy, chronic fatigue, and joint and muscle pain, which affect the training process.

Adequate protein intake (often in the range of 1.6-2.2 g/kg body weight) is critical for maintaining muscle mass and recovery, and adequate carbohydrate intake (e.g., 3-5 g/kg body weight for moderate-intensity training) provides energy for workouts. It is also important to ensure sufficient micronutrients, as autoimmune diseases can lead to deficiencies. For example, adequate intake of Omega-3 fatty acids (2-4 g EPA/DHA daily) can help reduce inflammation, and vitamin D (1000-4000 IU daily, after consultation) and zinc (15-30 mg daily) are key for immune function. Proper nutrition minimizes the risk of symptom exacerbation during intense training periods and competition, allowing for more stable and effective performance.

What are the related terms?

• FODMAP — Some dietary protocols for autoimmune diseases recommend limiting FODMAPs to reduce digestive symptoms and inflammation.
• Antinutrients — Eliminating foods rich in antinutrients can be part of a strategy to improve the gut barrier and nutrient absorption in autoimmune diseases.
• Lectins — Avoiding foods high in lectins is often a component of dietary protocols for autoimmune diseases aimed at reducing inflammation and supporting gut health.
• Paleo diet — Many principles of nutrition for autoimmune diseases overlap with those of the Paleo diet, including avoiding grains, legumes, and dairy products.