Difference is fantastic"I put my Thorobred mare on comfort gut , as she spent most of her day walking fence line and stressing out if I wasn't on time, she is in light work , and comfort gut has been amazing for her, she now spends more time grazing and is more tolerant if I'm late to feed her, this is a great product and I highly recommend it, I'm feeding just 8gm twice a day so 16gm daily, the difference is fantastic her attitude to school has also improved" Fiona Hurrenreid