The health of our gut is central to our overall well-being. While we often focus on what we eat, an equally important factor is how our bodies absorb and utilise nutrients. A thriving gut microbiome supports digestion, enhances nutrient absorption, and helps regulate metabolism. However, when the balance of gut bacteria is disrupted, a condition known as dysbiosis, and nutrient deficiencies can occur, leading to a cascade of health issues. In this blog post, we’ll explore the intricate relationship between gut health and nutrient status, the consequences of dysbiosis, and how to restore balance with a traditional nutrient-dense diet.
Understanding Dysbiosis
Dysbiosis refers to an imbalance in the gut microbiome where harmful microbes outcompete beneficial bacteria. This disruption can result from various factors, including:
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A diet high in refined sugars and processed foods
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Frequent antibiotic use
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Chronic stress
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Exposure to environmental toxins
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Overuse of alcohol
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Infections or underlying health conditions
When the gut microbiome is compromised, it impairs digestion, nutrient synthesis, and immune function, increasing the risk of deficiencies.
Nutrient Deficiencies Linked to Dysbiosis
A healthy gut is responsible for breaking down food, producing essential vitamins, and ensuring proper absorption of nutrients. When dysbiosis occurs, the following deficiencies are commonly seen:
1. Vitamin B12 and Other B Vitamins
Beneficial gut bacteria, particularly in the colon, play a role in producing and absorbing B vitamins, including B12, B6, folate, and biotin. Dysbiosis can lead to decreased levels of these essential vitamins, contributing to:
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Fatigue and weakness (B12 deficiency)
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Neurological issues such as brain fog and poor memory
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Mood imbalances, including anxiety and depression
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Poor skin and hair health (biotin deficiency)
2. Fat-Soluble Vitamins (A, D, E, and K)
The gut microbiome is essential for fat metabolism and bile acid production, which help absorb fat-soluble vitamins. When gut bacteria are imbalanced, we may see:
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Vitamin A deficiency: Poor vision, dry skin, and weakened immunity
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Vitamin D deficiency: Increased risk of osteoporosis, weak immunity, and mood disorders
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Vitamin E deficiency: Oxidative stress, muscle weakness, and neurological problems
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Vitamin K deficiency: Increased risk of bruising, bleeding, and poor bone health
3. Iron
Dysbiosis can interfere with iron absorption in several ways:
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Pathogenic bacteria such as Helicobacter pylori can reduce stomach acid, which is essential for iron absorption.
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Intestinal inflammation reduces the gut lining’s ability to transport iron into the bloodstream.
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Overgrowth of certain bacteria may consume iron before the body can absorb it.
Symptoms of iron deficiency include fatigue, dizziness, shortness of breath, and pale skin.
4. Magnesium and Zinc
A compromised gut lining can lead to poor absorption of minerals like magnesium and zinc. These deficiencies are linked to:
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Muscle cramps, headaches, and poor sleep (magnesium deficiency)
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Weakened immune function, slow wound healing, and hair loss (zinc deficiency)
5. Essential Fatty Acids
A damaged gut may struggle to digest and absorb fats, leading to deficiencies in essential fatty acids like omega-3s. This can result in:
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Chronic inflammation
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Poor cognitive function and mood imbalances
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Dry skin and brittle nails
How to Restore Gut Health and Improve Nutrient Absorption
Healing dysbiosis and improving nutrient absorption starts with supporting the gut microbiome through dietary and lifestyle changes. A traditional nutrient-dense diet provides the necessary elements to rebalance gut bacteria and enhance digestion.
1. Incorporate Fermented Foods
Fermented foods are rich in beneficial bacteria that help restore gut balance. Include:
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Raw sauerkraut and kimchi
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Kefir and raw yoghurt
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Fermented fish (such as traditional garum or rolmops, or if you want to go intense Nordic rakfisk)
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Beet kvass and other probiotic drinks
2. Prioritise Bone Broth and Gelatin-Rich Foods
Bone broth contains collagen, glycine, and proline, which support gut lining integrity and aid digestion. Consuming homemade bone broth or gelatin-rich dishes such as aspic can:
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Soothe inflammation
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Support the growth of beneficial bacteria
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Improve mineral absorption
3. Eat Organ Meats for Maximum Nutrient Density
Liver, heart, and kidney are among the most nutrient-dense foods available, providing bioavailable B vitamins, iron, and fat-soluble vitamins. Aim to consume these at least once a week to combat deficiencies caused by dysbiosis.
4. Include Resistant Starches and Prebiotic Fibres
Feeding beneficial bacteria with prebiotic foods is crucial. Traditional sources include:
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Cooked and cooled potatoes and rice (rich in resistant starch)
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Jerusalem artichokes, chicory root, and dandelion greens (high in inulin)
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Apples
5. Avoid Gut-Damaging Foods
Certain foods contribute to dysbiosis and nutrient malabsorption. Limit or eliminate:
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Refined sugars and processed carbohydrates
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Industrial seed oils (canola, soybean, sunflower oil)
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Artificial additives and preservatives
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Excessive alcohol and caffeine
6. Support Digestive Enzymes and Stomach Acid
Proper digestion starts in the stomach. Many people with dysbiosis suffer from low stomach acid, which impairs nutrient absorption. Supporting digestion with:
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Apple cider vinegar or lemon juice before meals
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Bitters such as gentian or dandelion root
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Proper chewing and mindful eating habits
7. Reduce Stress and Improve Sleep
Chronic stress disrupts gut function and worsens dysbiosis. Managing stress through breathwork, meditation, and sufficient sleep is essential for gut healing and nutrient absorption.
Final Thoughts
The gut-nutrient connection is undeniable. When dysbiosis occurs, it can lead to significant nutrient deficiencies that impact energy levels, immunity, mental health, and overall vitality. By prioritising a traditional nutrient-dense diet, incorporating fermented foods, bone broths, and organ meats, and supporting digestion, we can restore gut balance and ensure optimal nutrient absorption. Healing the gut is a long-term investment in health, but the rewards, which are improved energy, resilience, and well-being, are well worth the effort.
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Disclaimer
Disclaimer: The content of this blog post is for informational purposes only and is not intended as medical advice. While I strive to provide accurate, well-researched, and up-to-date information, I am not a licensed medical professional. The insights shared here are based on personal research and experience. I encourage you to conduct your own research and consult a qualified healthcare provider before making any health-related decisions. Your well-being is important, and any actions taken based on the information in this blog are solely at your own discretion and risk.