Updated May 2026.
A juice cleanse may feel like a fresh start because it is simple, light and highly structured. But there is no good evidence that juice cleanses detox the body, reset digestion or improve gut health in a meaningful, lasting way. For many people, the main nutritional issue is that a cleanse removes the very things the gut microbiome tends to rely on: adequate energy, regular meals, dietary fibre and plant variety.
Why the idea is so appealing.
The language around juice cleanses is powerful: reset, flush, cleanse, detox, start again. It offers a sense of control at moments when people often feel overloaded by food noise. At Kurami, we understand the desire to feel lighter and more comfortable in your body. We also believe the answer should not be restriction dressed up as wellness.
What your body actually does.
Your body already has sophisticated systems for processing and removing waste products, including the liver, kidneys, digestive tract, lungs and skin. A juice cleanse does not take over or accelerate those systems in the way many marketing claims suggest. From a nutrition perspective, the more useful question is not whether a cleanse can “detox” you, but whether it gives your body the conditions it needs to function well.
What can happen nutritionally during a juice cleanse.
Most juice cleanses are low in protein, low in fat and lower in fibre than the whole fruits, vegetables, pulses, grains, nuts and seeds they often replace. Juicing removes much of the structural fibre found in whole plant foods. Fibre matters because UK guidance recommends adults work towards 30g per day as part of a healthy balanced diet, while EFSA considers 25g per day adequate for normal bowel function in adults. A few days of reduced fibre is not usually a crisis for a healthy adult, but it is not the same as supporting gut health.
The gut microbiome prefers consistency, not extremes.
The gut microbiome is shaped by repeated dietary patterns. Research consistently links plant-rich, fibre-containing diets with a more favourable gut environment. Sudden restriction, very low fibre intake and inconsistent meals can alter bowel habits and leave some people feeling constipated, hungry, headachy or preoccupied with food. That is one reason Kurami does not use detox language: it often pulls people away from regular nourishment.
A better question: what helps you feel better without restriction?
If the goal is to feel more comfortable after travel, stress, celebration or a period of irregular eating, the most useful approach is usually simple and steady. Return to regular meals. Include vegetables, pulses, wholegrains, nuts, seeds and fruit. Drink enough fluids. Go gently with fibre if your intake has been low, because increasing it too quickly can make bloating worse.
What to do instead of a cleanse.
Start with one fibre-containing food at each meal, rather than trying to overhaul everything overnight. Add oats, chia or berries at breakfast. Include lentils, beans or wholegrains at lunch. Use vegetables, herbs and olive oil generously at dinner. Choose fermented foods if you enjoy them and tolerate them well. The aim is not perfection; it is to rebuild rhythm.
Where Kurami fits.
Kurami was built for exactly this kind of consistency: varied, fibre-conscious, food-led meals that make gut-supportive eating easier without cleanse culture. Our approach centres on plant diversity, scratch-made sauces, considered protein and Mediterranean-inspired balance. It is not a detox. It is a calmer way to eat well repeatedly.
FAQs
Can a juice cleanse help bloating?
Sometimes people feel temporarily lighter because they are eating less volume or less salt, but that is not the same as improving digestion. For some people, large amounts of fruit juice can worsen gas or loose stools. Persistent bloating should be discussed with a GP, especially if it is new, severe or accompanied by other symptoms.
Is juicing ever useful?
A vegetable or fruit juice can be part of a balanced diet if you enjoy it. The issue is replacing meals with juice and presenting that as a detox or gut-health intervention. Whole plant foods usually provide more fibre and satiety.
What should I eat when I feel like I need a reset?
Think regular meals, enough protein, cooked vegetables, pulses or wholegrains, herbs, fluids and sleep. The body does not need punishment after eating. It needs rhythm.
References:
- NHS. How to get more fibre into your diet.
- EFSA. Scientific Opinion on Dietary Reference Values for carbohydrates and dietary fibre. EFSA Journal. 2010.
- British Dietetic Association. Detox diets.
- Klein AV, Kiat H. Detox diets for toxin elimination and weight management: a critical review. Journal of Human Nutrition and Dietetics. 2015.
Written by the Kurami Team.
