This is a healthy brown stool, appearing somewhat lumpy. It seems to break apart easily. There are some remnants in the water, but overall it looks good. Consider increasing your fiber intake.

This is a healthy brown stool, falling under Bristol Type 2. It appears somewhat lumpy and fragmented. While generally good, given your IBS and lactose intolerance, consider increasing fiber intake and being mindful of dairy consumption.

This appears to be a comfortable and well-formed stool. It's a Bristol Type 4, indicating a smooth, sausage-like consistency. The color is a normal brown. Given your IBS and lactose intolerance, maintaining a balanced diet is key for gut health.