Depends. It is prudent to decrease protein intake rspecially if 1 kidney. The average person needs between 40-65 gm of protein/day. This is based on body size & health status. The 5 stages of ckd are defined by the glomerular filtration rate (gfr), a measure of how much blood the kidneys are able to filter ot overall kidney function. In stages 1-3 of ckd, limit protein to 12-15% of your calories/day.