What is pantothenic acid?

Pantothenic acid, also known as vitamin B5, is a water-soluble vitamin in the B-complex that is responsible for numerous vital functions in the body—particularly energy metabolism, hormone production, and cell regeneration. Its name comes from the Greek (pantos = “everywhere”), because pantothenic acid is found in nearly all plant and animal foods.

Pantothenic acid is an essential component of coenzyme A (CoA) and acyl carrier protein (ACP)—both key molecules involved in the production, conversion, and utilization of carbohydrates, fats, and amino acids. Vitamin B5 therefore plays a fundamental role in energy production, cellular metabolism, and hormone regulation.

How does pantothenic acid work in the body?

1. Energy production and metabolism:
Pantothenic acid is necessary for the production of coenzyme A (CoA)—one of the most important biochemical molecules in the human body. CoA is essential for:

  • the conversion of carbohydrates and fats into energy (ATP),

  • the metabolism of amino acids,

  • and the breakdown and synthesis of fatty acids.
    A pantothenic acid deficiency leads to a noticeable decrease in energy production, resulting in fatigue, muscle weakness, and difficulty concentrating.

2. Production of hormones and neurotransmitters:
Vitamin B5 plays a crucial role in the synthesis of steroid hormones in the adrenal cortex, including cortisol, testosterone, estrogen, and progesterone. It also supports the production of important neurotransmitters such as acetylcholine, which are essential for memory, concentration, and muscle control.
As a result, pantothenic acid contributes to both stress resilience and a stable mood and mental performance.

3. Supporting the nervous system:
Pantothenic acid is involved in the formation of the myelin sheath - a fatty protective layer surrounding nerve fibers. Healthy myelination is essential for rapid signal transmission between nerve cells, which is why vitamin B5 contributes to the health of the entire nervous system.

4. Promoting wound healing and cell regeneration:
Pantothenic acid is important for cell division and renewal. It promotes the regeneration of skin, mucous membranes, and tissue and plays a key role in wound healing. For this reason, dexpanthenol - a precursor of pantothenic acid - is often used in skin and hair care products.

5. Supporting liver function and detoxification:
Coenzyme A, which is produced from pantothenic acid, is essential for the breakdown of toxins, medications, and alcohol in the liver. As a result, vitamin B5 indirectly helps reduce the burden on the detoxification organs.

6. Strengthening the immune system:
Pantothenic acid supports antibody production and improves resistance to infections and stress. It also contributes to the regulation of inflammatory responses in the body.

Benefits of pantothenic acid

  • Promotes energy production through the efficient metabolism of carbohydrates, fats, and proteins

  • Supports the production of hormones and neurotransmitters

  • Improves stress resilience and mental performance

  • Promotes wound healing and skin and hair regeneration

  • Supports liver function and detoxification

  • Strengthens the immune system and protects against infections

  • Contributes to nerve and cell health

Recommended daily intake

According to the German Nutrition Society (DGE):

  • Adults: 5–6 mg per day

  • Pregnant and breastfeeding women: 6 mg per day
    Requirements increase with stress, physical exertion, high alcohol consumption, or chronic illnesses.

Since pantothenic acid is water-soluble, it is not stored in the body and must be consumed regularly.

Natural sources of pantothenic acid

  • Meat (especially beef, pork, chicken)

  • Fish (salmon, tuna, mackerel)

  • Eggs

  • Dairy products (milk, yogurt, cheese)

  • Whole grains

  • Legumes (lentils, beans, peas)

  • Avocados, broccoli, mushrooms, sweet potatoes

  • Nuts and seeds (sunflower seeds, cashews)

Deficiency symptoms

Pantothenic acid deficiency is rare, as the vitamin is found in almost all foods. However, it can occur with a very restricted diet, chronic stress, long-term digestive problems, or high alcohol consumption.
Typical symptoms:

  • Fatigue, exhaustion

  • Difficulty concentrating

  • Sleep problems

  • Tingling or burning in the hands and feet (“Burning Feet Syndrome”)

  • Headaches, irritability

  • Digestive problems and loss of appetite

Overdose and safety

Pantothenic acid is considered very safe. Even high amounts (up to 1,000 mg daily) rarely cause side effects. In some cases, very high doses may cause mild stomach upset or diarrhea.

Conclusion

Pantothenic acid (vitamin B5) is a key vitamin for energy, hormonal balance, cell regeneration, and stress management. It plays an important role in the body’s metabolic processes and ensures that nutrients are efficiently converted into energy while also supporting the nervous system, skin, and immune system.

Whether for everyday performance, healthy skin and hair, or optimal recovery after physical exertion – pantothenic acid is an essential part of a balanced diet and modern dietary supplementation.

Sources

  1. German Nutrition Society (DGE). (2020): Reference values for nutrient intake – pantothenic acid.

  2. Cooper RG, et al. (2012): The role of pantothenic acid in human health. Nutr Metab (Lond), 9(1), 103.

  3. van der Beek EJ. (2012): Vitamin B5 (pantothenic acid). In: Handbook of Vitamins, 5th ed., CRC Press.

  4. Smith CM, Song WO. (1996): Comparative nutrition of pantothenic acid. J Nutr Biochem, 7(6), 312–321.