i was talking to my vet about it the other day for a mare with osteo arthritis and she said don't bother with most of the joint products. She said we should have 10,000 mg of Glucosamine and 5,000 to 10,000 of MSM. I still haven't found anything with those numbers and was shocked at how low the amounts are in the joint supplements i found! The MSM is def. a key factor, i wouldn't get anything with out it.

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