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The Truth About Detox: What a Nutritionist Really Thinks

Detox myths debunked by a nutritionist

The Truth About Detox: How to Support Your Body Naturally

Introduction: Rethinking Detox

The term “detox” has been misused. From celebrity-endorsed juice cleanses to trending powders on social media, detox has become associated with restriction, deprivation, and unproven claims.

True detoxification isn’t about short-term fixes—it’s a continuous, sophisticated process your body performs every day. With the right knowledge and habits, you can support your body naturally and efficiently.

In this guide, we’ll debunk common myths, explain how detoxification really works, and provide science-backed strategies to help your body function at its best.

What Detoxification Really Means

Detoxification is your body’s process of neutralising and eliminating toxins from both internal metabolism and environmental exposure. Key systems involved include:

  • Liver: Converts harmful substances into water-soluble compounds for elimination.
  • Kidneys: Filter blood and excrete waste via urine.
  • Lungs: Expel carbon dioxide and volatile compounds.
  • Skin: Removes waste through sweat.
  • Digestive tract: Eliminates toxins via bile and stool.

These systems are highly efficient and intelligent. They don’t need dramatic interventions—consistent, thoughtful support is key.

Common Detox Myths Debunked

Myth 1: Detox is Needed After Overindulgence

Your organs don’t “shut down” after a weekend of indulgence. Overconsumption of alcohol, sugar, or processed foods may stress your detox pathways, but the solution is balanced nutrition, hydration, and rest.

Myth 2: Juice Cleanses Fully Detoxify the Body

Juices can provide nutrients but lack fibre, protein, and healthy fats—all essential for detoxification. Prolonged juicing may spike blood sugar and leave you depleted.

Myth 3: Detox Requires Starvation

Restrictive diets can hinder detox processes. Your liver and other systems need amino acids, B vitamins, magnesium, and antioxidants to function optimally.

Myth 4: Expensive Supplements Are Necessary

Supplements can help, but they are not magic bullets. A food-first approach with nutrient-rich meals is foundational.

How Your Body Detoxes Naturally

Liver Detoxification

The liver is central to detoxification, performing over 500 functions. Detox occurs in two phases:

  • Phase 1 (Activation): Converts fat-soluble toxins into intermediate compounds.
  • Phase 2 (Conjugation): Attaches molecules to make toxins water-soluble for elimination.

B vitamins, amino acids, and antioxidants are essential to support these processes.

Gut Health and Detox

Your gut microbiome assists detoxification by breaking down harmful compounds, supporting immune function, and binding toxins for elimination through stool. Adequate fibre, hydration, and diverse plant foods keep your gut functioning optimally.

Supporting Organs: Kidneys, Lungs, and Skin

These organs help filter, excrete, and expel waste efficiently, especially when supported by hydration, oxygenation, and nutrient-dense foods.

Signs Your Detox Pathways May Need Support

  • Persistent fatigue
  • Brain fog
  • Hormonal imbalances
  • Digestive issues (constipation, bloating)
  • Skin breakouts
  • Heightened sensitivity to smells, alcohol, or medications

These signs indicate it’s time to optimise foundational habits rather than rely on short-term detoxes.

Nutrition Strategies for Optimal Detoxification

1. Prioritise Protein

Amino acids from protein are crucial for liver detox pathways. Include high-quality sources at each meal:

  • Eggs
  • Poultry
  • Fish
  • Legumes

2. Embrace Colourful Vegetables

Plant compounds like sulforaphane and quercetin help regulate detox enzymes. Include a variety of vegetables:

  • Cruciferous veg (broccoli, kale)
  • Alliums (garlic, onions)
  • Leafy greens
  • Beetroot

3. Healthy Fats for Cellular Support

Omega-3 fats support cell membranes and inflammation balance, indirectly aiding detox:

  • Oily fish
  • Flaxseed
  • Walnuts

4. Fibre for Gut and Bile Health

Fibre binds toxins and promotes elimination through stool. Include both soluble and insoluble fibres:

  • Oats
  • Lentils
  • Chia seeds
  • Vegetables

5. Stay Hydrated

Water is essential for flushing toxins. Herbal teas can complement hydration but do not replace water.

Lifestyle Practices to Enhance Detox

Move Your Body

Exercise boosts circulation and lymphatic flow, aiding toxin elimination.

Support Circadian Rhythms

Your liver and other organs operate on a biological clock. Poor sleep can disrupt detox processes. Aim for 7–9 hours of quality sleep nightly.

Reduce Environmental Exposure

  • Choose organic foods when possible.
  • Use natural cleaning and beauty products.
  • Filter your drinking water.

Supplements: Support, Not a Shortcut

Some supplements can complement a strong foundation:

  • Milk Thistle (liver support)
  • N-Acetyl Cysteine (NAC, glutathione precursor)
  • Probiotics (gut health)
  • Magnesium (supports detox enzymes)

Always consult a healthcare professional before starting new supplements, especially if you take medication.

Red Flags: Unsafe Detox Practices

Avoid programs that:

  • Eliminate entire food groups without reason
  • Promote laxatives or diuretics
  • Promise rapid, dramatic results
  • Lack scientific support

What True Detox Support Looks Like

MythReality
Short-term cleanseDaily, ongoing support
StarvationNourishment fuels detox
Juice-onlyBalanced macros required
Supplements fix allFood-first, supplements second
Quick fixSustainable habits win

Conclusion: Detox is Biology, Not a Trend

Detoxification is an ongoing, natural process. It doesn’t require extremes. Thoughtful, evidence-based habits make the biggest difference for energy, mental clarity, hormonal balance, and long-term health.

Disclaimer

This content is for informational purposes only and does not constitute medical advice. Always consult a healthcare professional before making changes to your diet, supplements, or lifestyle, especially if you have medical conditions or take medication.

Please note, the links provided are Amazon affiliate links. If you buy something using these links, I will receive a small commission, at no additional cost to you. Rest assured that all products recommended have been personally used and endorsed by myself.

Nutritionist

Milena Kaler is a is a qualified London Nutritionistsports nutrition, stubborn weight lossdigestive health, and skin health nutrition specialist. She is trained in the principles of Functional Medicine and practices from her clinic in Central London, Harley Street, as well as providing online consultations.

Milena has helped thousands of people to lose weight and keep it off. Scientific and holistic in approach Milena looks at all aspects of a client’s health. She embraces a systems-oriented approach aiming to get to the root cause of health and weight issues instead of simply focusing on the symptoms.

Milena’s expertise has been sought by royalty, celebrities, and she has been featured as a nutrition expert in reputable magazines including Women’s Health, Elle, Harper’s Bazaar, GQ, Cosmopolitan, Glamour, Women’s Fitness, Peak Brain Training, and Metro.

As a full member of the British Association for Applied Nutrition and Nutritional Therapy (BANT), and the Complementary and Natural Healthcare Council (CNHC), the only register for Nutritional Therapy recognised by the government and NHS, Milena is committed to upholding their strict Code of Ethics.

Additionally, Milena is a member of  The Royal Society of Medicine and The Primary Care Society for Gastroenterology (PCSG).

Milena sees patients with chronic health conditions, as well as clients looking for support to optimise their health. Some of the areas Milena can help with include: weight loss, digestive, hormonal, autoimmune diseasemenopause, and skin health.

Milena sees every person as an individual with different problems and different goals. She takes time to listen to her clients’ specific concerns to develop customised nutrition and lifestyle plans, based on laboratory test results. Having overcome her own chronic health and weight loss issues, Milena really understands how it is to feel overwhelmed by poor health and can relate to her clients when they first come to see her.

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