What is the effective dose of Pantothenic Acid?

No established therapeutic dose from provided studies

Is Pantothenic Acid safe?

High-dose supplements (1.5 g/day or more) showed no measurable benefit in a controlled exercise trial, suggesting most people don't need supplementation

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Last verified: 46 days ago

Pantothenic Acid

Also known as: Vitamin B5, Pantothenate, Calcium pantothenate, d-Pantothenic acid

Evidence under review. — Not yet rated

Essential B vitamin that supports energy metabolism and CoA synthesis. Deficiency is rare in healthy adults.

What it does

Pantothenic acid is vitamin B5, a water-soluble nutrient found in nearly all foods. It is a required building block for coenzyme A (CoA), a molecule central to energy metabolism, fatty acid...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established therapeutic dose from provided studies
Found in

Life Extension Two-Per-Day Multivitamin, Thorne Basic Nutrients 2/Day, Purolabs Pregnancy Complex and 17 more

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What the Science Says

Pantothenic acid is vitamin B5, a water-soluble nutrient found in nearly all foods. It is a required building block for coenzyme A (CoA), a molecule central to energy metabolism, fatty acid processing, and cellular repair. Research suggests that low pantothenic acid levels may be associated with neurodegeneration, and animal studies show it can reduce inflammation and support tissue barrier integrity, though most of these findings have not yet been confirmed in large human trials.

What It Doesn't Do

Won't boost exercise performance or increase muscle coenzyme A levels — a clinical trial found no effect even at high doses. No proven benefit for healthy adults who already get enough from food. Not a treatment for Parkinson's disease, despite observational links. No strong evidence it improves skin, hair, or wound healing in people who aren't deficient.

Evidence-Based Benefits

Pantothenic acid is essential for the synthesis of coenzyme A, which plays a crucial role in fatty acid metabolism and energy production. It is also involved in the synthesis of hormones and cholesterol, contributing to overall metabolic health.

Strong Evidence

Effective at: 5-10 mg daily

Source: auto-research

Absorption & Bioavailability

Good — pantothenic acid is readily absorbed from food and supplements; excess is excreted in urine, so toxicity is not a concern at typical doses

Red Flags to Watch For

High-dose supplements (1.5 g/day or more) showed no measurable benefit in a controlled exercise trial, suggesting most people don't need supplementation
Often included in multi-ingredient products (hydration drinks, B-complex formulas) making it impossible to isolate its specific effects
Deficiency is extremely rare in people eating a normal diet — marketing claims about widespread deficiency are not supported by the evidence
Most exciting findings (Parkinson's disease, endometrial protection) come from observational or animal studies, not human clinical trials

Weight Loss

Mostly Legit

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Research Sources

PubMed
NIH DSLD

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-04-06