Yes, Tilly takes these and they seem good; her joints are too far gone for supplements to make much of a difference now, she's on daily Tramadol and Prednoleucotropin to manage pain, but I figure they can't do any harm and they're all natural.
I have a couple of sample packets in my office desk drawer, it contains Marine Collagen Extract, Boswellia Extract, Corydalis Root, Wheatgrass, Turmeric, Feverfew Extract and Celery Seed Extract as well as a 'proprietory blend' of Mucopolysaccharide Complex, Malt Extract, Wild Rosella, Capsicum Extract, Aniseed Myrtle and Mountain Pepper and a 'proprietory enzyme blend' of Bromelian and Papain.