Evidence supporting the use of: Pantothenic acid (vitamin B5)
For the health condition: Hair (loss or thinning)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Pantothenic acid (vitamin B5) has been traditionally promoted in some circles as a remedy for hair loss and hair thinning, but the scientific basis for this use is limited. The idea likely stems from the essential role of vitamin B5 in general cellular metabolism, including the synthesis and metabolism of fats, proteins, and carbohydrates, and its involvement in the production of coenzyme A, which is important for energy production in cells—including those in hair follicles. Historically, some proponents have cited anecdotal reports or small, poorly controlled studies suggesting that pantothenic acid can help improve hair health, possibly by strengthening hair follicles or increasing hair elasticity. However, there is a lack of robust, peer-reviewed clinical trials directly linking pantothenic acid supplementation to reduced hair loss or increased hair growth in humans. Most mainstream medical and dermatological organizations do not recognize vitamin B5 as an effective treatment for hair loss unless a person is deficient, which is rare in developed countries. Therefore, while pantothenic acid is occasionally found in hair care products and dietary supplements marketed for hair health, its use for this purpose is primarily based on tradition and anecdote rather than strong scientific validation.

More about pantothenic acid (vitamin B5)
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Other health conditions supported by pantothenic acid (vitamin B5)

Acne
Adrenal Fatigue
Burning Feet or Hands
Energy (lack of)
Fatigue
Hair (loss or thinning)