Tag: Juice fast side effects

According to one survey, a significant number of individuals report experiencing headaches and dizziness during juice fasts. This lightheadedness can be unsettling, but it is a common side effect caused by several physiological changes your body undergoes while on a restricted diet.

According to a study published in *Nutrients*, a juice-only diet for just three days can significantly alter a person's oral and gut microbiome. Understanding exactly what happens to your body when you juice fast can help you make an informed decision about whether to try one.

According to a 2025 Northwestern University study, a vegetable and fruit juice-only diet for just three days can alter gut bacteria, sometimes with inflammatory effects. A 3 day juice fast is a popular but intense practice that temporarily replaces solid foods with fruit and vegetable juices to reset dietary habits and boost nutrient intake.

A 2025 Northwestern University study found that a juice-only diet can cause shifts in gut bacteria linked to inflammation and cognitive decline in just three days. This research highlights why understanding the cons of a juice cleanse is crucial before attempting one, as potential downsides often outweigh the perceived benefits.