Can IV Therapy Help With Fatigue? Exploring the Science of Cellular Energy, Amino Acids, and Mitochondrial Support

Fatigue affects millions of people and can significantly impact productivity, exercise performance, mental clarity, and overall quality of life. While poor sleep, stress, dehydration, illness, and nutritional deficiencies are common contributors, emerging research suggests that fatigue is often linked to impaired cellular energy production and mitochondrial function.

At Chesapeake Express IV Wellness & Aesthetics, we take a comprehensive approach to wellness by focusing on hydration, amino acids, mitochondrial support, and metabolic health. Understanding how these systems work together may help explain why many individuals seek IV wellness therapies to support energy and recovery.

Fatigue Begins at the Cellular Level

Every cell in the body relies on mitochondria to generate adenosine triphosphate (ATP), the primary source of cellular energy. When mitochondrial function becomes less efficient, individuals may experience symptoms such as:

• Persistent fatigue
• Brain fog
• Reduced endurance
• Poor exercise recovery
• Decreased mental performance
• Generalized weakness

Recent research continues to identify mitochondrial dysfunction as an important factor in multiple fatigue-related conditions, including post-viral syndromes and chronic fatigue states (Mantle et al., 2024).

Why Amino Acids Matter for Energy

Amino acids are often recognized as the building blocks of protein, but they also play critical roles in metabolism, neurotransmitter production, immune function, and energy generation.

Research by Newsholme and colleagues has demonstrated that alterations in plasma amino acid concentrations may contribute to both physical and mental fatigue. These investigators proposed that amino acid availability influences central nervous system function, exercise performance, and perceived fatigue levels (Newsholme et al., 1992; Newsholme & Blomstrand, 1996; Newsholme & Blomstrand, 2006).

Because amino acids participate in multiple energy-producing pathways, optimizing amino acid availability may support overall metabolic efficiency and recovery.

L-Carnitine: Fueling the Mitochondria

One of the most studied compounds in energy metabolism is L-carnitine.

L-carnitine functions as a transporter that carries long-chain fatty acids into mitochondria, where they can be converted into ATP. Without adequate carnitine availability, cellular energy production from fat metabolism becomes less efficient.

Virmani and Cirulli (2022) describe L-carnitine as a key regulator of mitochondrial function and metabolic flexibility, helping cells efficiently switch between fuel sources while supporting healthy energy metabolism.

Additionally, Novakova et al. (2016) demonstrated that L-carnitine supplementation increased body carnitine stores and influenced skeletal muscle energy metabolism, supporting its important role in physical performance and cellular energetics.

Because of its central role in mitochondrial function, L-carnitine is frequently included in wellness and recovery protocols aimed at supporting energy production.

L-Arginine and Circulation

Efficient energy production depends not only on healthy mitochondria but also on adequate oxygen and nutrient delivery.

L-arginine serves as a precursor to nitric oxide, a molecule that promotes healthy blood vessel dilation and circulation. Improved circulation may enhance oxygen delivery to working tissues and support physical performance.

A recent study by Lee et al. (2025) found that L-arginine supplementation improved endurance and reduced fatigue-related outcomes in chronic fatigue models, suggesting a potential role in supporting energy metabolism and physical performance.

NAD+ and Cellular Energy

Nicotinamide adenine dinucleotide (NAD+) is a coenzyme present in every living cell and is essential for mitochondrial ATP production. NAD+ participates in hundreds of metabolic reactions that influence energy generation, cellular repair, and healthy aging.

As NAD+ levels naturally decline with age, interest in NAD+ precursors has grown substantially within longevity and wellness medicine. NAD+ precursors provide the building blocks necessary for the body to maintain healthy NAD+ levels and support cellular energy pathways.

A recent review of intravenous longevity therapies identified NAD+-focused interventions as an area of growing clinical interest due to their role in mitochondrial metabolism and cellular function (Godic & Townsend, 2026).

Supporting Mitochondrial Function

Researchers increasingly recognize mitochondrial health as a critical component of energy production and fatigue management.

Mantle et al. (2024) highlighted the role of mitochondrial dysfunction in post-viral fatigue syndromes and discussed the importance of interventions that support mitochondrial energy generation.

Similarly, Tucker et al. (2018) reviewed the mechanisms through which methylene blue may support mitochondrial electron transport and cellular energy production, further emphasizing the growing scientific focus on mitochondrial optimization.

Hydration Remains Essential

Even the most advanced cellular energy pathways depend on adequate hydration. Proper fluid balance supports circulation, nutrient delivery, waste removal, and overall cellular function.

For individuals who are dehydrated due to exercise, illness, travel, heat exposure, or inadequate fluid intake, restoring hydration may help improve symptoms associated with fatigue and reduced performance.

The Bottom Line

Fatigue is a complex symptom with many potential causes. Emerging research suggests that mitochondrial function, amino acid availability, circulation, hydration status, and cellular metabolism all play important roles in how efficiently the body produces energy.

Nutrients such as L-carnitine, L-arginine, amino acids, and NAD+ precursors are increasingly being studied for their roles in supporting mitochondrial health and metabolic function. While no single therapy is appropriate for everyone, a personalized wellness approach that addresses hydration and cellular energy pathways may help support overall vitality, recovery, and performance.

At Chesapeake Express IV Wellness & Aesthetics in Annapolis, MD our goal is to help clients optimize wellness through evidence-informed therapies that support hydration, recovery, and cellular health.

References

Godic, A., & Townsend, J. (2026). Intravenous longevity therapy: A critical review of evidence, mechanisms, and clinical utility. Acta Dermatovenerologica Alpina, Pannonica, et Adriatica, 35(1), 39–43.

Lee, S., Nam, W., An, K. S., Cho, E. J., Choi, Y. M., & Ryu, H. Y. (2025). L-Arginine supplementation improves endurance under chronic fatigue: Inducing in vivo paradigms with in vitro support. Nutrients, 17(20), 3239.

Mantle, D., Hargreaves, I. P., Domingo, J. C., & Castro-Marrero, J. (2024). Mitochondrial dysfunction and coenzyme Q10 supplementation in post-viral fatigue syndrome: An overview. International Journal of Molecular Sciences, 25(1), 574.

Newsholme, E. A., Blomstrand, E., & Ekblom, B. (1992). Physical and mental fatigue: Metabolic mechanisms and importance of plasma amino acids. British Medical Bulletin, 48(3), 477–495.

Newsholme, E. A., & Blomstrand, E. (1996). The plasma level of some amino acids and physical and mental fatigue. Experientia, 52(5), 413–415.

Newsholme, E. A., & Blomstrand, E. (2006). Branched-chain amino acids and central fatigue. The Journal of Nutrition, 136(1), 274S–276S.

Novakova, K., Kummer, O., Bouitbir, J., Stoffel, S. D., Hoerler-Koerner, U., Bodmer, M., et al. (2016). Effect of L-carnitine supplementation on the body carnitine pool, skeletal muscle energy metabolism and physical performance in male vegetarians. European Journal of Nutrition, 55(1), 207–217.

Tucker, D., Lu, Y., & Zhang, Q. (2018). From mitochondrial function to neuroprotection—An emerging role for methylene blue. Molecular Neurobiology, 55(6), 5137–5153.

Virmani, M. A., & Cirulli, M. (2022). The role of L-carnitine in mitochondria, prevention of metabolic inflexibility and disease initiation. International Journal of Molecular Sciences, 23(5), 2717.