Skip To Content Privacy Page


Buy Ubiquinol Now
Cellular Health
Return to Blog

Running on Empty? Your Mitochondria Might Be Needing Support

Terese Mansell

Written by Terese Mansell, Vice President, Kaneka Nutrients

Updated on July 24, 2026

Some days, something feels a little off, even if you’ve had a great night’s sleep, had your coffee, and are not sick. It’s not exhaustion, but more like a slight sluggishness that follows you through the day.

If that sounds familiar, the answer might not be more sleep. Most of us think about energy in terms of rest, hydration, or what we ate for breakfast. But how your cells produce and manage energy plays a significant role in how your body functions overall. The biology at the cellular level is a component of health that we might overlook.

This piece explores what’s happening inside your cells, what affects cellular health, and what supports healthy mitochondrial function from the inside. This piece focuses on the cellular foundations of wellness and why the health of our individual cells matters more than most people realize.

When Rest Isn’t the Answer: The Cellular Side of How You Feel

Tiredness is not always a sleep problem. Yes, quality sleep, stress management, and balanced nutrition all matter for supporting your health, mood, and physical energy levels. Your body’s ability to produce cellular energy is also essential to overall wellness. This means cellular health affects how efficiently your heart, brain, muscles, and every other system in your body functions day to day.

At the center of that process are the mitochondria: the cellular structures responsible for generating the fuel your body runs on. Understanding how they work and what affects them is the first step to understanding your wellness from within.

What Mitochondria Actually Do & Why It Matters for Wellbeing

You’ve probably heard mitochondria called “the powerhouse of the cell,” but they operate more like the CEO of the cell, as they coordinate and support the function of important systems in the body.

Mitochondria are present in almost every cell in the body.1 The highest concentrations are found in the heart, brain, and muscle tissue — the organs with the greatest cellular energy demands. In fact, the heart is one of the most energy-demanding organs in the body, and it contains a very large number of mitochondria to fill its cellular energy demand.2 Your heart is working every second of every day, and mitochondria make that possible.

One of the mitochondria’s essential jobs is to convert the sugars, fats, and proteins from the food you eat into usable cellular energy, or a molecule called ATP.1 But mitochondria are also involved in cellular signaling, immune function, and the regulation of cell life cycles.

In summary, healthy mitochondrial function is foundational to overall cellular wellness, not just physical energy levels.1 But two other essential players in mitochondrial function are worth understanding: ubiquinone and ubiquinol.

How Your Cells Make Energy and Where Ubiquinol Fits In

Think of your mitochondria as a cellular engine and the food you eat as the fuel. ATP is the output that powers everything your body does, from pumping blood to contracting muscles.

The electron transport train is a complex inside the inner membrane of each mitochondrion. This is where the energy stored in food gets converted into ATP, the form of energy your cells can actually use. Both ubiquinone and ubiquinol, the two forms of CoQ10, are key components of this chain and essential to cellular energy production.1

The body constantly converts ubiquinone into ubiquinol and back again. This continuous cycle keeps the cellular energy process running, and ubiquinol’s role is significant: ubiquinol is required for 95% of cellular energy production.3

Supporting ATP production and mitochondrial function is about supporting cellular wellness at its foundation, not a physical energy boost like caffeine or simply getting more sleep. Cellular and physical energy are different, and understanding their distinctions is central to understanding how ubiquinol constantly supports cells.

Read More: Discover 5 Facts About Kaneka Ubiquinol® and Cellular Energy

What Can Affect How Well Your Mitochondria Function?

Mitochondrial function doesn’t happen in a vacuum. Common, everyday factors influence how well your mitochondria are able to do their job and how well your cells support your overall health.

  • Age. Ubiquinol levels naturally decline with age, and this gradual decrease can affect mitochondrial efficiency over time. It’s a normal part of aging, but daily choices can also make a meaningful difference.
  • Oxidative stress. Free radicals are a natural byproduct of cellular processes and everyday lifestyle factors. But when they outnumber the body’s antioxidant capacity, oxidative stress occurs, impacting mitochondrial function. This is why ubiquinol’s role as an antioxidant is important: it neutralizes free radicals and helps protect cells and mitochondria from damage caused by oxidative stress.
  • Sleep quality. Poor sleep can leave you feeling groggy and also affect cellular repair and recovery.4 Mitochondria are particularly active during rest, clearing cellular waste and restoring function. Building a quality nighttime routine is one of the most direct ways to support that process.
  • Diet and nutrition. Mitochondria rely on quality nutrients to function and generate cellular energy. Eating a balanced, nutritious diet provides the raw materials available for ATP production and cellular wellness.
  • Regular movement. Consistent physical activity supports the process by which the body creates new mitochondria. That means an active lifestyle over time can promote mitochondrial health and function.

All of these factors affect your cellular health, which is foundational to your overall wellness. But these lifestyle habits also impact your physical well-being, including your mood, cognitive function, and physical capabilities.

Mitochondrial Health Tends to Shift as We Get Older

Your body’s cellular needs change with time, so understanding age as part of this equation is essential to ensuring you have a well-rounded wellness routine.

The body’s ubiquinol levels generally peak in the mid 20s and decrease gradually after that. By the time someone reaches their 40s or 50s, the body may need meaningful support to maintain healthy ubiquinol levels. Maintaining healthy levels of ubiquinol in the body supports cellular energy production within the electron transport chain and promotes healthy mitochondrial function and overall physical wellness.

Rest assured: while ubiquinol levels may decline with age, the choices you make around sleep, nutrition, movement, and supplementation all have a real impact on your cellular health. Supplementing with Kaneka Ubiquinol® is one way to help replenish what the body produces less of over time.

Promote Cellular Energy With Kaneka Ubiquinol®

If there’s one thing you take from this piece, it’s this: Kaneka Ubiquinol® does not improve physical energy levels or reduce fatigue. It does, however, support cellular wellness and energy production from within, and that foundation matters for the way your whole body functions.

As the active antioxidant form of CoQ10, Kaneka Ubiquinol® is bioidentical to the ubiquinol your body naturally produces. No conversion is required for it to protect your cells and their mitochondria from free radical damage. It’s backed by 85 human clinical studies and supported by more than 30 years of research, making it an ingredient you can trust.

Support Your Mitochondrial Health One Day at a Time

Mitochondrial health is not a fixed feature of your health. Biological changes happen with age, but you have real agency over how you support your cellular wellness along the way. The habits that matter most aren’t complicated:

  • Prioritize quality sleep: Your mitochondria do important repair work while you rest
  • Eat a nutrient-dense diet: Give your cells the fuel they need to produce cellular energy
  • Move regularly: Physical activity supports the growth of new mitochondria over time
  • Include Kaneka Ubiquinol® as part of your supplement routine: Its antioxidant properties are ideal for adults 40 and older and those looking for added cellular wellness support

Supporting cellular health is a long game, and it takes consistency and intention. But small, daily choices do add up for your cellular and physical wellness. Learn more about making Kaneka Ubiquinol® your wellness ally on our FAQ page. Plus, explore the Ubiquinol Buyer’s Guide for everything you need to find the right supplement and make it part of your daily wellness routine.

*Information on this site is for informational purposes only and is not a substitute for medical advice. Always consult your doctor or licensed healthcare provider with any questions about your health and before starting a new exercise program. Never delay contacting your doctor or disregard medical advice because of something you have read on this website or the internet.

Was this article helpful?

Newsletter Form

Support Your Health Journey

Sign up for our Kaneka Ubiquinol® Newsletter & get tips and resources on cellular wellness, healthy aging, heart health, supplement facts more – delivered right to your inbox.

"*" indicates required fields

You may also be interested in

Heart Smart: Understanding Your Cardiovascular System
Heart Health

Heart Smart: Understanding Your Cardiovascular System

Understanding how your heart works can be helpful for maintaining good health and understanding the importance of building healthy habits. The heart is one of...

11 Yoga Poses to Boost Strength and Flexibility
Exercise

11 Yoga Poses to Boost Strength and Flexibility

If getting into yoga seems overwhelming, remember you can take it slow. Rather than jumping into a full practice, you can learn a few poses...

How to Talk to Your Parents About Heart Health: A Guide to Meaningful Conversations
Heart Health

How to Talk to Your Parents About Heart Health: A Guide to Meaningful Conversations

It can be scary to see a loved one struggling to manage their health. When that person is your aging parent, your emotions, stress, and...

"*" indicates required fields

Join Our Newsletter

Backed by Science. Trusted by Experts.

Information on this site is for informational purposes only and is not a substitute for medical advice. Always consult your doctor or licensed healthcare provider with any questions about your health and before starting a new exercise program. Never delay contacting your doctor or disregard medical advice because of something you have read on this website or the internet.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

© 2026 Kaneka North America LLC. All Rights Reserved.