Wash the carrots thoroughly under running water.
Peel the carrots using a vegetable peeler.
Cut the carrots into smaller pieces for easier juicing.
If using ginger, peel and slice it into small pieces.
Add the carrot pieces and ginger to a blender.
Pour in one cup of water to help with blending.
Blend until smooth and well combined.
Strain the mixture using a fine mesh sieve or cheesecloth into a bowl.
Press the pulp to extract as much juice as possible.
Add lemon juice to the extracted carrot juice and stir well.