Vitamin B5 (Pantothenic Acid)
Vitamin B5 (Pantothenic Acid) is an essential vitamin — a water-soluble B vitamin that is part of coenzyme A (CoA). 39 peer-reviewed studies are available in our database. Common forms include Calcium Pantothenate, Pantethine, D-Pantothenic Acid.
Content reviewed by ZYNAVA Research Team · Last updated February 2026 · Editorial policy
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What Is Vitamin B5 (Pantothenic Acid)?
A water-soluble B vitamin that is part of coenzyme A (CoA).
Key fact: Pantethine is a related derivative used in some products.
Vitamin B5 (Pantothenic Acid) Supplement Forms
Vitamin B5 (Pantothenic Acid) is available in several supplemental forms: Calcium Pantothenate, Pantethine, D-Pantothenic Acid. Pantethine is a related derivative used in some products.
Explore Vitamin B5 (Pantothenic Acid) Supplements
Use our research tool to explore vitamin b5 (pantothenic acid) supplements and see what studies have examined.
Research Studies on Vitamin B5 (Pantothenic Acid)
Our database contains 39 peer-reviewed studies examining vitamin b5 (pantothenic acid). Below are selected recent studies:
Related Supplements
Natural Food Sources of Vitamin B5 (Pantothenic Acid)
While supplementation can be a convenient way to increase vitamin b5 (pantothenic acid) intake, many people prefer to start with dietary sources. Understanding which foods are naturally rich in vitamin b5 (pantothenic acid) can help you make informed decisions about whether supplementation is right for you.
- Chicken — A common source of pantothenic acid in mixed diets
- Beef — Provides pantothenic acid alongside iron and zinc
- Eggs — Egg yolks contain pantothenic acid and other B vitamins
- Mushrooms — One of the better plant sources of B5
- Avocados — Provides B5 plus fiber and healthy fats
- Sunflower seeds — A nutrient-dense source of several B vitamins including B5
Dietary Context
Pantothenic acid (vitamin B5) is used to make coenzyme A, a compound central to energy metabolism and the synthesis of fatty acids and hormones. It is found in many foods, which is why true deficiency is uncommon in people eating a varied diet.
Absorption: Food vs. Supplements
B5 is water-soluble and generally absorbed well from foods. As with many B vitamins, heavy processing and prolonged boiling can reduce the amount available in the final meal.
Practical Tips
- A varied whole-food diet usually provides ample B5 since it is widely distributed in foods
- Minimize overcooking and excessive boiling to retain more water-soluble vitamins
- Include both plant and animal foods for broader B-vitamin coverage
How to Take Vitamin B5 (Pantothenic Acid)
Getting the most from vitamin b5 (pantothenic acid) supplementation involves more than just choosing the right product. When and how you take it can significantly affect absorption and effectiveness.
Best time to take: Morning or with meals
With or Without Food
Water-soluble vitamins can be taken with or without food. Taking with food may reduce stomach upset for some people. B vitamins are commonly taken in the morning as they support energy metabolism.
How Often
Daily supplementation is standard. The body does not store water-soluble vitamins in large amounts, so regular intake is important.
Practical Tips
- B vitamins are best taken in the morning — they may interfere with sleep if taken late in the day
- Excess water-soluble vitamins are generally excreted in urine, making toxicity less of a concern
- Taking with a meal can reduce any stomach discomfort
Important Interactions
- High-dose B6 supplementation over long periods can cause nerve issues
- Vitamin C can affect certain lab tests at very high doses
- Generally well-tolerated with wide safety margins
This is not an exhaustive list of interactions. Always consult a healthcare provider or pharmacist about potential interactions with your specific medications and health conditions.
Where to Find Vitamin B5 (Pantothenic Acid) Supplements
If you are considering vitamin b5 (pantothenic acid) supplementation, choosing a quality product from a reputable retailer is an important step. Here are some trusted options where you can browse and compare vitamin b5 (pantothenic acid) supplements.
How to Choose a Quality Vitamin B5 (Pantothenic Acid) Supplement
- Check for third-party testing certifications (USP, NSF, or ConsumerLab) which verify potency and purity
- Compare cost per serving rather than total package price for accurate value comparison
- Read the supplement facts panel to verify the amount of active ingredient per serving
- Look for products with minimal unnecessary fillers, binders, or artificial additives
To explore supplements by ingredient or health goal, try our AI Supplement Advisor.
Research Highlights: Vitamin B5 (Pantothenic Acid)
Scientific inquiry into vitamin b5 (pantothenic acid) has produced 3 meta-analysiss, 3 systematic reviews over the period 2020 to 2025. The following highlights are drawn from peer-reviewed publications in our research database. Study results reflect controlled conditions and may differ from real-world outcomes.
Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
A systematic review and meta-analysis of 16 randomized controlled trials (RCTs) on the effects of Vitamin B12 supplementation. Found no evidence for an effect of B12 alone or B complex supplementation on any subdomain of cognitive function outcomes in the general population. Also found no overall effect of vitamin supplementation on measures of depression.
Source: View full study on Nutrients
Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
A systematic review and network meta-analysis comparing oral, intramuscular (IM), and sublingual (SL) routes for Vitamin B12 supplementation. Concluded that all three routes can effectively increase Vitamin B12 levels without statistically significant differences between them. The IM route was the top-ranked statistically for increasing B12 levels, but the difference was not clinically significant.
Source: View full study on Ir J Med Sci
B12 as a Treatment for Peripheral Neuropathic Pain: A Systematic Review
A systematic review on the use of Vitamin B12 (cobalamin) for peripheral neuropathic pain, even in the absence of B12 deficiency. Found evidence for the therapeutic effect of B12 in the treatment of post-herpetic neuralgia and painful peripheral neuropathy. B12 is thought to alleviate pain by promoting myelination, increasing nerve regeneration, and decreasing ectopic nerve firing.
Source: View full study on Nutrients
The efficacy of vitamin B12 supplementation for treating vitamin B12 deficiency and peripheral neuropathy in metformin-treated type 2 diabetes mellitus patients: A systematic review
A systematic review focusing on metformin-treated Type 2 Diabetes Mellitus (T2DM) patients. Metformin-treated T2DM patients are at higher risk of Vitamin B12 deficiency and neuropathy. Vitamin B12 supplementation increases serum levels and improves neuropathy symptoms, and should be included in treatment guidelines.
Source: View full study on Diabetes & Metabolic Syndrome: Clinical Research & Reviews
Association between neuropathy and B-vitamins: A systematic review and meta-analysis
A systematic review and meta-analysis on the association between peripheral neuropathy (PN) and B-vitamins. PN was significantly associated with lowered B12 levels and elevated methylmalonic acid and homocysteine (biomarkers of B12 deficiency). B12 treatment showed a non-significant association with symptom improvement, suggesting the need for more robust trials.
The Neurological Sequelae of Vitamin B12 Deficiency: A Systematic Review and Randomized Controlled Trial
A systematic review of RCTs on the neurological effects of B12 supplementation. Supplementation is effective for patients with overt clinical deficiency (peripheral neuropathy, cognitive decline, myelopathy). Oral therapy showed similar efficacy to intramuscular injections, with better tolerability and lower cost. Limited neurological benefit was found in older adults with subclinical deficiency.
Source: View full study on Cureus
The research summaries above are based on published peer-reviewed studies and are provided for informational purposes only. Study findings may not apply to all individuals, and the presence of a study summary does not constitute an endorsement of vitamin b5 (pantothenic acid) for any specific health condition. Always consult a qualified healthcare professional before making decisions based on research findings.
Important Information
How Storage Affects Supplement Potency and Shelf Life
Proper storage is essential for maintaining supplement potency over time. Heat, moisture, light, and air exposure can all degrade active ingredients, sometimes significantly reducing the amount of nutrient you actually receive per serving. Probiotics are particularly sensitive to temperature and may lose viability if not refrigerated as directed. Fish oil and other omega-3 supplements can oxidize when exposed to light or heat, potentially producing harmful byproducts and an unpleasant fishy taste or odor.
To maximize supplement shelf life, store products in a cool, dry place away from direct sunlight — the bathroom medicine cabinet, despite its name, is often too warm and humid. Always check expiration dates before purchasing and using supplements, as potency declines over time even under ideal storage conditions. If a supplement has changed color, developed an unusual odor, or appears clumped or discolored, it may be degraded and should be discarded.
Special Considerations for Children and Older Adults
Supplement needs vary considerably across age groups. Children have different nutritional requirements than adults, and many adult-formulated supplements contain doses that are inappropriate or potentially harmful for younger individuals. Pediatric supplements should be specifically formulated for children and given under the guidance of a pediatrician. Gummy vitamins marketed to children often contain added sugars and may not deliver consistent doses.
Older adults face their own unique challenges. Age-related decreases in stomach acid production can impair absorption of vitamin B12 and certain minerals. Reduced sun exposure and less efficient skin synthesis of vitamin D make supplementation more commonly recommended for adults over 65. Kidney function changes can affect how the body processes certain supplements. If you are selecting supplements for a child or an older family member, professional medical guidance is especially important to ensure safety and appropriate dosing.
This content is for general educational purposes only and is not intended as medical advice. Consult a healthcare professional before starting any supplement. Individual results may vary. See our full disclaimer and affiliate disclosure.