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Why do you feel tired despite eating well | Nutritionist Explains | Myprotein

Sep 21, 2026
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Why do you feel tired even though you're eating well? Constant fatigue isn't always caused by a bad diet. Your sleep, calorie intake, nutrient status, hydration, stress, training, and lifestyle can all influence your energy levels. In this video, expert nutritionist Dr Richie Kirwan explains some of the most common reasons you might feel tired despite having a healthy diet and what your body could actually be missing. Key Facts: Eating nutritious foods doesn't necessarily mean you're consuming enough total energy for your body's needs. A prolonged or aggressive calorie deficit can contribute to low energy and fatigue. Poor sleep quality or simply not getting enough sleep can have a major impact on daytime energy levels. Nutrient deficiencies, including iron, vitamin B12, and folate, can contribute to fatigue in some people. Dehydration can negatively affect how you feel and your physical performance. High training loads without sufficient recovery can leave you feeling consistently tired. Stress and other lifestyle factors can affect both your physical and mental energy. Persistent or unexplained fatigue can have many causes and may warrant speaking to a healthcare professional rather than assuming it's purely nutrition-related. FAQ: Q: Why am I tired if I eat a healthy diet? A: Diet is only one part of the picture. Sleep, total calorie intake, hydration, recovery, stress, nutrient deficiencies, and underlying health issues can all affect energy levels. Q: Can eating too few calories make you tired? A: Yes. If your energy intake is consistently too low for your activity levels and body's needs, fatigue and reduced performance can occur. Q: What nutrient deficiencies can cause tiredness? A: Iron, vitamin B12, and folate deficiencies are among the nutritional issues associated with fatigue, but symptoms alone can't tell you whether you're deficient. Q: Can overtraining make you feel tired all the time? A: A demanding training schedule without adequate food, sleep, and recovery can contribute to persistent fatigue and reduced performance. Q: When should you worry about feeling tired? A: If fatigue is persistent, unexplained, severe, or affecting your everyday life, it's worth speaking with a healthcare professional to investigate the underlying cause rather than simply adding supplements. #myprotein #wheyprotein #protein #nutrition ********************************* Myprotein is Rated Excellent on Trustpilot 🔔 Subscribe to our channel: https://www.youtube.com/user/MyproteinUK?sub_confirmation=1 📲 Download the Myprotein app: https://myprotein.onelink.me/IYeO/o2erh9hb The UK & Europe's Number 1 Online Sports Nutrition Brand, Myprotein.

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