A. If he doesn't show any arthritis or pain problems, i wouldn't recommend starting with these supplements at this age, you should wait until he reaches at least 1 year.
A. Yes you can feed glucosamine , preferably with SAME. Be aware that most of the glucosamine you feed to the dog gets digested as food and does not arrive at the joints. A dog which is fed a proper complete feed for his life stage does not really need a glucosamine supplementation. As for the amount to feed: follow the instructions on the glucosamine supplement licensed for dogs.
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