Top Spec Fibre Plus is non-heating and low in sugar and starch. Soya and linseed are added to balance the calories with protein and help to avoid the ‘fat but not fit’ situation which often occurs when good-doers are fed low quality high–fibre cubes. Top Spec Fibre Plus contains: High quality protein from high-oil soya and linseed. No straw products are included in the formulation. Sodium (from salt) calcium and magnesium.