Milk Thistle Seed 5,0 / 5 Independent Feedback based on 7 verified reviews. Kay Graves 9 days ago, My Pony was lethargic and after blood tests showed liver damage. I was advised to try milk thistle seeds and bingo, a good response and now fed regularly Margaret Norquoy 4 months ago. I bought this as my horse had come out in hives, he ate it no problem in his feed. I only bought one bag, Mrs Sally McBean 6 months ago. Recommended by my vet and itâ€™s helping Mr Nick Westwood 6 months ago. easy to use product/supplement Diana Grenyer 8 months ago. With 3 cobs with liver issues it has made a huge difference to them Mrs Sally McBean 9 months ago. Quality products, value for money Trusted Customer Always as I would expect.