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Is Your Gut Fueling Your Fatigue? The Hidden Link Between Digestive Health and Energy

  • clairecohen2002
  • May 6
  • 3 min read


Feeling tired of feeling tired all the time! Even after a good night’s sleep? You might be acusing your busy schedule, your stress levels, or your coffee intake. But have you ever considered your gut health? The state of your digestive system plays an incredible role in how energized or depleted you feel throughout the day.

As a nutritional therapist, I see a clear pattern: clients who struggle with bloating, irregular digestion, or food sensitivities often also report low energy, brain fog, and trouble concentrating. In this post, I’ll explain how your gut could be draining your energy—and what you can do to support both.

Your Gut Powers Your Energy Production

B vitamins, magnesium, iron, and CoQ10 are just a few of the nutrients in your food your body relies on to create energy. But if your gut isn’t absorbing these nutrients properly, your cells don’t get what they need to produce energy efficiently.


You could be eating a balanced, nutrient-rich diet—but if your digestion is impaired, you may not be reaping the benefits.

Common culprits include:

  • Low stomach acid

  • Poor digestive enzyme production

  • Inflammation in the gut lining

  • Imbalanced gut bacteria


The Silent Energy Thief

Chronic, low-grade inflammation in the gut (often caused by food sensitivities, stress, or processed foods) can lead to systemic inflammation. When your immune system is constantly on high alert, energy is diverted away from daily function and toward dealing with the panic situation.


This can leave you feeling:

  • Drained, even after a full night's sleep

  • Mentally foggy or unmotivated

  • Prone to infections or slow recovery


The Microbiome–Mitochondria Connection

Emerging research shows that your gut microbiome—the trillions of bacteria living in your digestive tract—communicates with your mitochondria, the tiny energy factories in your cells.


A thriving, diverse microbiome helps:


  • Regulate inflammation

  • Improve insulin sensitivity

  • Produce neurotransmitters that affect mood and motivation


But when gut bacteria are out of balance (dysbiosis), you might notice:


  • Persistent fatigue

  • Mood swings

  • Cravings for sugar or carbs (which the "bad" bacteria love to feed on)


You will know if your gut is responsible for draining your energy if you notice any of these signs:


  • Frequent bloating, gas, or abdominal discomfort

  • Irregular bowel movements (constipation or loose stools)

  • Sugar or caffeine cravings, especially mid-afternoon

  • Brain fog or lack of clarity

  • Low mood, irritability, or feeling ‘wired but tired’



6 Ways to Nourish Your Gut and Boost Your Energy

Eat more fibre-rich, whole foods

Vegetables, legumes, nuts, seeds, and whole grains feed your beneficial bacteria.


  • Include fermented foods daily

    Sauerkraut, kefir, kimchi, miso, and natural yogurt support a diverse microbiome.


  • Cut back on ultra-processed foods

    These can harm your gut lining and feed unhelpful bacteria.


  • Eat slowly and chew thoroughly

    Digestion starts in the mouth! Slowing down reduces bloating and supports absorption.


  • Consider a supplement protocol

    Digestive enzymes or a tailored probiotic may help, especially if you're dealing with specific symptoms.


  • Manage stress

    Chronic stress alters gut motility and the balance of your microbiome. Try yoga, walking, breathwork, or journaling.


If you’re feeling low on energy, don’t underestimate the role of your gut. From nutrient absorption to inflammation and hormone balance, your digestive system is at the centre of how you feel.


The good news? Small, sustainable changes to your food and lifestyle can make a big difference. And if you’d like support in figuring out what’s right for your body, I’m here to help.

Book a free call to start your journey to optimal energy



 
 
 

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Claire Cohen
Nat-Nut | Nutritional Therapy
Website by Libby Elm

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