Are the bumps kinda hard and squishy? If so they could possibly be either fat deposits or tumors. Its always best to get an expert approval so I recommend taking the dog to the vet just to be on the safe side.
<span>Fat-soluble vitamins: A, D, E, and K — are stored in the body for long periods of time, and pose a greater risk for toxicity than water-soluble vitamins. Fat-soluble vitamins are only needed in small amounts.
So your answer would be D</span>. Vitamin D