The stool is a normal brown (C1) and mostly soft blobs, consistent with Bristol type 5. Some firmer lumps on the right suggest you could drink a bit more water and eat a little more fiber. Overall, this looks like a healthy result!

This stool is close to Bristol type 6, soft and slightly mushy, with a normal brown color. Overall it looks healthy, and staying well hydrated with enough fiber can help keep the texture firm. Since your goal is muscle gain, keep up your protein intake along with a regular eating schedule.