Horse Feed Home / Horse Feed / Thunderbrook Equestrian Spirulina Pratensis 1kg Thunderbrook Equestrian Spirulina Pratensis 1kg Thunderbrook Equestrian Spirulina Pratensis 1kg £32.50 You Will Earn 32 points with this purchase Add to your Wish List Information Specifications Thunderbrook Equestrian Spirulina Pratensis nutritionally supports a healthy respiratory and skin functions. Spirulina is an amazing source of nutrients. It is 60% protein, making it the world's highest known source of protein. Raw meat is only 27% protein, and even soybeans are only 34% protein. Product Code: THB031