Allergen notification The following list of allergens is excluded: wheat, gluten, barley, soy, eggs, milk and dairy products, lactose, nuts, sulphites, celery, fish, crustaceans and yeast. Precautions More than 400 mg of magnesium may cause mild stomach upset in sensitive people. Storage instructions Store in a cool, dry place, away from light and out of the reach of small children. Legal category Food supplement.