Our rule of thumb is no allergens, and the only exception is justified and flagged up. We use the minimum number of excipients, which are always listed in the ‘other ingredients’ section of our nutritional information. However, those excipients are entirely natural!
However, many food allergies actually concern very common products such as eggs, milk, shellfish, nuts (almonds, hazelnuts, cashews...), etc. That is why we systematically mention their presence in our supplements.