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Can High Blood Sugar Make You Tired? What Science Says About Fatigue, Glucose, and Energy Loss

Feeling persistently tired can be a puzzling and frustrating experience, especially when lifestyle factors like sleep and diet seem to be under control. For many people, this fatigue may be rooted not in sleep deprivation or overwork, but in a less obvious physiological factor: high blood sugar. While glucose is the body’s primary source of energy, paradoxically, elevated blood glucose levels can cause sluggishness, daytime sleepiness, and a persistent sense of fatigue that interferes with quality of life. But how can something meant to energize the body do the opposite? This article explores the complex connection between elevated glucose and energy loss, examining the underlying science, current research, and practical strategies for managing blood sugar-related fatigue.

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Better Nutrition News delivers the latest, research-backed insights on diet and nutrition, helping you make informed choices that support vitality and longevity. We cut through misinformation with expert analysis, practical strategies, and deep dives into the science of food, supplements, and metabolic health. Whether you're optimizing your diet, exploring emerging nutritional trends, or seeking clarity on what truly works, our content equips you with the knowledge to take control of your well-being. Subscribers to our FREE newsletter gain exclusive access to expert interviews, in-depth reports, and actionable guidance that can transform the way you eat and live. Stay ahead of the curve with updates on cutting-edge nutritional science, emerging superfoods, and evidence-based strategies—all delivered straight to your inbox. Join a growing community that values facts over fads and is committed to a smarter, healthier approach to nutrition.

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Diet & lifestyle

Expert Advice

What is nutrition, and why does it matter?

Nutrition is the study of nutrients in food, how the body uses them, and the relationship between diet, health, and disease. Nutritionists use ideas from...

5 Great Reasons to Try CBD Massage Oil for Pain Relief

 If you struggle with pain, then CBD massage oil for pain relief may be the answer you’ve been looking for. CBD is known for...

Why are onions good for you?

Onions belong to the Allium family of plants, which also includes chives, garlic, and leeks. These vegetables have characteristic pungent flavors and some medicinal properties. Onions vary...

5 Great Health Benefits of Sleeping in a Cold Room

It may surprise you to find that sleeping in a cold room confers a variety of health benefits, including enhanced metabolic function, cognitive function,...

Health

Vitamins

Supplements

The Ultimate Guide to Choosing a Safe and Effective Silicone Sippy for Growing Kids

When it comes to supporting healthy hydration habits and nutritional milestones in early childhood, few tools are as significant—or as hotly debated—as the sippy cup. In today’s marketplace, the silicone sippy has emerged as a favored choice among parents and pediatricians alike, offering a safe, adaptable, and developmentally supportive way to transition children from bottles to open cups. Its popularity is not just a passing trend but a reflection of growing awareness about material safety, ergonomic design, and the need to balance convenience with long-term health outcomes. In this comprehensive guide, we’ll explore everything caregivers need to know about choosing the right silicone sippy cup for their growing child—from materials and mechanics to design and durability—while maintaining a close eye on nutritional development and hydration best practices.

Food As Medicine

ORGANIC INDIA Moringa Herbal Supplement: Evaluation of a Leading Moringa Product

Explore the efficacy and quality of the ORGANIC INDIA Moringa Herbal Supplement, including its nutritional benefits and its standing as a prominent Moringa product...

Science & Research

Do Artificial Sweeteners Raise Blood Sugar? What Science Really Says About Their Impact on Glucose and Diabetes Risk

In a world increasingly conscious of sugar intake, artificial sweeteners have emerged as a popular alternative for those seeking to maintain sweet flavors while reducing caloric load. But questions persist: do artificial sweeteners raise blood sugar? Can artificial sweeteners raise blood sugar indirectly, or even increase the risk of developing diabetes over time? These concerns are especially pressing for individuals with prediabetes, insulin resistance, or those managing type 2 diabetes. Despite their zero-calorie promise, artificial sweeteners remain controversial in the scientific community and among health-conscious consumers.

Supplements & Functional Foods

What are the health benefits of barley?

Barley is a cereal grain that people can use in bread, beverages, stews, and other dishes. As a whole grain, barley provides fiber, vitamins,...