Silvermoor Treatsies Brilliant Beetroot Horse Treats. Brilliant Beetroot flavour Treatsies are charged with the superfood beetroot which is packed with antioxidants and known for having a positive effect on blood flow encouraging muscle efficiency. Low in sugar, low in starch and high in fibre, we only use the very best quality natural ingredients so you can be sure you are feeding something not only irresistibly delicious but healthy for your horse too.