Livertonic may change the colour of urine. But you should give idea of temperature, fever and tics. And collect urine in transparent glass because on floor it  remains unidentified. Change in colour may be due to haemoprotozoan  infection.

Please Make sure your pet is sufficiently drinking water. Medicines could be the reason for this colour change also. But keep an eye out for any symptoms like decrease in urine quantity, any pain while urination or lack of appetite and activity. Then you must visit the vet.

Sometimes, pigmentation of the medicines can cause yellow coloration of urine that is normal. In some, infection can also cause a change in urine color. If your puppy is active and healthy them it may be mostly due to medicines or less water intake. If your puppy shows any signs of illness, then get a veterinary consultation.