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How to Boost Cellular Energy & Why It's Important

By Ethan Boldt

August 28, 2026

When you discuss wanting to have more energy to do things, what you’re really getting at is your body’s cellular energy. While energy levels refer to how alert or tired you may feel at a given time, cellular energy is the energy your cells produce and use — primarily as ATP (adenosine triphosphate) — to carry out essential functions.

We’re talking key functions like muscle contraction, brain and nerve function, metabolism, tissue repair, immune system function and other vital processes. You can see why it’s critical to support healthy cellular energy levels, if not seek to boost them.

The other reason is that as we age, our normal cellular energy production may start to decline. As we get older, our body’s production of ATP naturally slows down. Our mitochondria may become less efficient and decrease in number or quality over time. It’s part of normal aging, but it also means less energy to do the things you love or simply must do.

Age-related changes in muscle mass, physical activity, metabolism and nutrient status can also influence cellular energy production.

Let’s find out how to help increase our cellular energy. The great news is that regular exercise —especially aerobic and resistance training — along with good nutrition, sleep and metabolic health can help maintain mitochondrial function and cellular energy production as you age.

What is cellular energy?

Cellular energy is the energy your body's cells produce and use to carry out essential functions, from muscle contraction and brain activity to tissue repair and metabolism. Most cellular energy is stored and transferred in the form of ATP.

Your cells make ATP primarily by converting nutrients from food — especially carbohydrates and fats — through a series of metabolic processes called cellular respiration, much of which takes place in the mitochondria, often called the cells' "powerhouses."

Certain vitamins and minerals don't provide energy themselves but are essential for these energy-producing pathways. For example, vitamin B12 and other B vitamins help the body metabolize nutrients and support normal cellular energy production.

In simple terms, cellular energy is the usable energy that keeps your cells — and ultimately your body — functioning.

11 ways to increase cellular energy

Supporting cellular energy production largely comes down to giving your cells the nutrients, oxygen and metabolic support they need to produce ATP efficiently. Helpful strategies include:

1. Exercise regularly and in certain ways

Physical activity encourages adaptations that can improve mitochondrial function and the body's ability to produce and use energy.

In particular, hormetic stress, such as exercise, briefly challenges cells and triggers adaptations that can improve mitochondrial function and cellular energy production. Over time, this can help cells produce and use ATP more efficiently.

Zone 2 cardio improves mitochondrial efficiency and helps cells become better at using fat and oxygen to produce ATP, while HIIT creates a stronger metabolic challenge that can stimulate mitochondrial growth and improve the body's capacity to produce energy quickly.

Resistance training also can stimulate mitochondrial adaptations and improve the body's ability to produce ATP.

2. Eat a nutrient-dense diet

Protein, healthy fats, complex carbohydrates, B vitamins, magnesium and other micronutrients support normal cellular energy metabolism.

Carbohydrates and fats provide fuel that cells can convert into ATP, while protein supplies amino acids needed for numerous cellular processes.

Reducing refined sugar can help promote steadier blood sugar and healthier metabolic function, while a Mediterranean diet provides healthy fats, complex carbohydrates, antioxidants and micronutrients that support mitochondrial function and efficient cellular energy production.

3. Avoid nutrient shortfalls

Avoiding nutrient shortfalls for women and men is important, so suspected shortages should be evaluated by a healthcare professional. Coming up short in nutrients such as iron, magnesium and vitamin B12 can contribute to fatigue.

Iron helps transport oxygen throughout the body, while magnesium is required for hundreds of biochemical reactions, including those involving ATP.

B vitamins are critical for cellular energy. Vitamins such as B12, B1, B2, B3 and B6 participate in pathways involved in converting food into usable cellular energy.

Ancient Nutrition’s co-enzymated Vitamin B12 capsules are expertly formulated with real food sources and optimized for absorption. Not only does it support physical performance and cellular energy production, but also cognitive and neurological health.

The Ancient Nutrients Vitamin B Complex offers 8 balanced B vitamins, including B-12 as methylcobalamin, alongside ancient superfoods and adaptogenic herbs. It supports cellular energy production in addition to cardiovascular and cognitive health.

Note that increasing cellular energy doesn't necessarily mean you'll immediately feel more energetic. Nutrients such as vitamin B12 support the metabolic pathways your cells use to produce energy, but they aren't stimulants and generally won't provide an instant energy boost — particularly if you're already getting adequate amounts.

4. Maintain healthy blood sugar

Balanced meals containing protein, fiber, healthy fats and quality carbohydrates can help provide a steadier supply of fuel.

5. Avoid under-eating

Consistently consuming too little energy can leave the body without enough fuel to optimally support normal physiological functions.

6. Intermittent fasting

Intermittent fasting (IMF) may stimulate mitophagy, the body’s normal cellular process that removes damaged mitochondria, helping maintain a healthier, more efficient mitochondrial network for producing cellular energy (ATP).

7. Stay hydrated

Water is necessary for cellular processes and normal circulation, which helps deliver nutrients and oxygen to cells.

You may also consider Ancient Nutrition’s Rapid Hydration, with formulas designed for fast electrolyte replenishment using key clinically studied ingredients. It provides body hydration support, rapid absorption of water and key nutrients, plus cellular health and healthy energy support.

8. Manage stress

Persistent stress can increase the body's energy demands and interfere with sleep, recovery and normal metabolic function.

9. Prioritize recovery and sleep

First, aim to avoid excessive training, inadequate nutrition and chronic stress, as they can work against healthy mitochondrial function.

Second, adequate sleep supports metabolic regulation, recovery and healthy mitochondrial function.

10. Cold showers and sauna

Cold showers and sauna create brief temperature stress that may trigger cellular adaptations that support mitochondrial function and energy metabolism, potentially helping cells produce and use ATP more efficiently.

11. Avoid smoking and excessive alcohol

Both can increase oxidative stress and impair mitochondrial health.

Bonus supplement suggestion

Ancient Nutrition’s superfood-powdered formula Clean Energy supplement includes ingredients to support your body’s cellular energy production. In particular, it contains an Ancient Mineral Complex, a clinically studied ingredient combination of ancient peat (fossilized plant) and apple extract that helps create energy within the cell.

In other words, it’s literally designed to help provide energy at a cellular level. It is specifically formulated to help your body generate the energy you need to feel focused, alert and active.

In addition, the Ancient Mineral Complex’s ingredients of ancient peat and apple extract have been shown to help support muscle health, cardiovascular health, physical performance and endurance.

Clean Energy contains 74 milligrams of caffeine per serving — less than a typical cup of coffee — and comes in two delicious flavors: cherry limeade and strawberry kiwi. Simply mix a scoop with 8 ounces of cold water for a refreshing boost before tackling a tough task or challenging workout.