A. The problem with glucosamine is that most of it gets digested and never arrives at the joints. Theoretically you can feed human glucosamine to dogs, however some preparations may have additives that are detrimental for dogs. Since your dog is a small dog, doggie glucosamine with SAME would not be more expensive than human glucosamine, and would be safe. Your veterinarian should be able to recommend the right preparation for you.
A. You can try but it not expected to be as effective, unless it contains
Glucosamine/Chondroitin/MSM combination (such as Dasuquin or Cosequin) they are shown to be highly ineffective for dog arthritis. And the recommended dose for this combination is 13-15mg/kg every 24 hrs.
I would highly recommend the veterinary products as they are formulated for dogs and are pretty affordable for owners to try it out if they wish.
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