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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

Health benefits of quinoa

Quinoa is a whole grain that is rapidly growing in popularity due to its many health benefits. Although people can cook and eat quinoa seeds...

29 nutrition tips for better health and longevity

Good nutrition is a critical part of health and development. According to the World Health Organization (WHO), better nutrition is related to improved health...

Clarity and Focus for the Baby Boom Generation: Boomers Forever Young Provides the Best All-Natural Nootropic

Boomers Forever Young, a Florida-based supplier of nutritional supplements for older adults, has won the award for "Best All-Natural Nootropic for Senior Brain Health"...

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...

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

Traditional Medicinals Organic Reishi Mushroom Tea vs. Superfeast Reishi: Support Your Immune System With Reishi Mushroom Tea

Traditional Medicinals Organic Reishi Mushroom Tea vs. Superfeast Reishi: Support Your Immune System With Reishi Mushroom Tea Are you tired of constantly getting sick? Maybe...

Science & Research

What to Eat When Blood Sugar Is Low: Science-Backed Foods to Raise Levels Fast and Safely

Maintaining balanced blood sugar levels is crucial for overall health and well-being. However, there are times when blood sugar drops too low, a condition known as hypoglycemia, which can cause symptoms such as dizziness, confusion, fatigue, and even loss of consciousness. Understanding what to eat when blood sugar is low is essential for quickly and safely restoring balance. This article delves into the science-backed foods that can effectively bring up blood sugar levels, how to boost sugar levels efficiently, and the best dietary practices for sustaining stable glucose levels over time.

Supplements & Functional Foods

Everything you need to know about tomatoes

A tomato is a nutrient-dense superfood that offers benefit to a range of bodily systems. Its nutritional content supports healthful skin, weight loss, and...