If the dog has kidney issues, the best food for him should contain fewer proteins (less than 15 %) and should be wet. (vetinfo.com)
The only people who are really at risk for not eating enough quality protein are those who are forced (or force themselves) to eat an extremely suboptimal diet with very few protein sources for long periods of time. (completehumanperformance.com)
Most breeds that shed less release fewer proteins in the air; however, that does not determine whether a dog is hypoallergenic or not. (second-opinion-doc.com)