When it comes to jicama vs. potato, in general yes, jicama is a slightly healthier alternative to potato, even though potatoes are also pretty healthy for you. Potatoes are higher carb and are slightly lower in fiber than jicama - which are the main reasons jicama is healthier. There are also are a variety of health benefits in jicama. They are keto-friendly, a good source of vitamin C (1 cup of jicama has 43% of your daily value for vitamin C), good for your gut health, high in dietary fiber, low-calorie, good for a low-carb diet, gluten-free, and vegan.