Check a pair

Vitamin B5 (Pantethine)

Active metabolite of pantothenic acid with superior cholesterol-lowering and lipid metabolism benefits

Scientific namePantethine FormulaC22H42N4O8S2 Molecular weight554.72 g/mol CAS16816-67-4
90 absorption score
9 safety / 10
80 USD per month
5 documented interactions

Check it against something

Evidence level A

Vitamin B5 (Pantethine) with:

Compatibility score 90 out of 100
90 out of 100
Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Cholesterol improvement

Reduces LDL by 20% and increases HDL by 8-10%

Inhibits HMG-CoA reductase and enhances HDL synthesis Evidence A-grade 8-12 weeks

Enhanced energy metabolism

More effective than pantothenic acid for CoA synthesis

Closer to active coenzyme A in metabolic pathway Evidence B-grade 2-4 weeks

Antioxidant support

Supports glutathione synthesis better than pantothenic acid

Enhanced cysteine delivery for glutathione production Evidence B-grade 4-8 weeks

Liver detoxification

Supports phase II liver detoxification pathways

Provides sulfur and CoA for conjugation reactions Evidence B-grade 4-8 weeks

Hair and skin health

May be more effective than pantothenic acid for hair/skin

Enhanced cellular energy and lipid metabolism Evidence C-grade 8-12 weeks

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Every pair we checked

12 combinations scored by the engine
Vitamin B5 (Pantethine) + Caffeine No documented interaction either way No known interaction 70
Vitamin B5 (Pantethine) + Creatine Monohydrate No documented interaction either way No known interaction 70
Vitamin B5 (Pantethine) + Whey Protein No documented interaction either way No known interaction 70
Vitamin B5 (Pantethine) + Turmeric No documented interaction either way No known interaction 70
Vitamin B5 (Pantethine) + Lactase Improved calcium absorption when consuming dairy Works better together 82
Vitamin B5 (Pantethine) + Bovine Collagen Essential for collagen synthesis and cross-linking Works better together 82
Vitamin B5 (Pantethine) + DHA Prevents oxidation of DHA and enhances stability Works better together 82
Vitamin B5 (Pantethine) + Marine Collagen Enhanced collagen synthesis and stability Works better together 82
Vitamin B5 (Pantethine) + Vitamin D3 Both support adrenal function and stress response Works better together 86
Vitamin B5 (Pantethine) + Magnesium Oxide Required for many CoA-dependent reactions Works better together 90
Vitamin B5 (Pantethine) + Fish Oil (EPA/DHA) Protects fish oil from oxidation Works better together 90
Vitamin B5 (Pantethine) + Calcium Carbonate Essential for calcium absorption and utilization Works better together 94

Dosage

Divided doses with food
Daily300-900 mg
Maintenance150-300 mg
Therapeutic600-1200 mg
Cholesterol lowering600-900 mg
Divided dosingSplit into 2-3 doses daily

Before you take it

VeganYes

When to expect it

First Effects2-4 weeks for energy and antioxidant effects
Peak Benefits8-16 weeks for cholesterol and cardiovascular benefits
Deficiency DevelopmentSeveral months (basic B5 needs)
Toxicity OnsetNo known toxicity at supplemental doses

How to measure it

$30-50
MarkerLipid panel (cholesterol, HDL, LDL, triglycerides)
OptimalLDL <100 mg/dL, HDL >40 (men) />50 (women) mg/dL
FrequencyEvery 8-12 weeks when using for cholesterol management

What actually reaches you

The label counts the carrier, your body does not
Absorption Very high 90 of 100 · best absorbed form of this compound
Delivered daily 540 mg
Cost per 100 mg delivered $0.49 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented
+
Vitamin C

Both support adrenal function and stress response

Complementary roles in hormone and antioxidant synthesis · level B
+
Other B Vitamins

Work together in energy metabolism

Complementary roles in metabolic pathways · level A
+
Magnesium

Required for many CoA-dependent reactions

Cofactor for pantethine-dependent enzymes · level B

What not to take with Vitamin B5 (Pantethine)

2 documented
!
Alcohol

Increases pantothenic acid requirements

Interferes with CoA metabolism · moderate significance
!
Stress Chronic

Depletes B5 and increases requirements

Enhanced utilization for stress hormone synthesis · moderate significance

Medication interactions

Discuss these with a pharmacist before combining
statin-medications Beneficial

May enhance cholesterol-lowering effects

What to do: Monitor cholesterol levels for additive effects

blood-thinners Minor

Theoretical interaction due to sulfur content

What to do: Monitor if using high doses

Available forms

bioavailability compared
Pantethine 90

Pantethine: Proven cholesterol effects, Superior to pantothenic acid, Antioxidant benefits, Unique mechanisms

Food sources

before you supplement
Pantethine is not found naturally in foods Only available as supplement · 90

Too little

deficiency signs
  • Same as pantothenic acid deficiency:
  • Fatigue and irritability
  • Depression and anxiety
  • Insomnia and restlessness
  • Muscle cramps and weakness
  • Digestive problems
  • Poor wound healing

Too much

toxicity signs
  • No known toxicity at supplemental doses
  • Mild digestive upset at very high doses
  • Strong sulfur odor (not harmful)
  • No upper limit established
  • Generally well-tolerated

Who benefits most

high-cholesterol-natural-approach

Proven cholesterol-lowering effects without side effects

600-900 mg daily
cardiovascular-risk-factors

Comprehensive lipid profile improvements

600-1200 mg daily
advanced-supplementation

Want superior B5 effects regardless of cost

300-600 mg daily
liver-support-protocols

Enhanced detoxification and antioxidant support

300-900 mg daily
metabolic-syndrome

Comprehensive metabolic and lipid support

600-900 mg daily

Where to buy it

compare forms first

Look for Vitamin B5 (Pantethine) at 300-900 mg per serving. The form that matters here is Pantethine.

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What else affects it

Beyond other supplements
!
Alcohol

Increases pantothenic acid requirements

Interferes with CoA metabolism
!
Stress chronic

Depletes B5 and increases requirements

Enhanced utilization for stress hormone synthesis

How it works

  • Metabolized to pantothenic acid and cysteamine
  • More direct precursor to coenzyme A than pantothenic acid
  • Inhibits cholesterol synthesis via HMG-CoA reductase
  • Enhances HDL synthesis and reverse cholesterol transport
  • Provides sulfur for glutathione and taurine synthesis
  • Supports phase II liver detoxification

Key findings

what the evidence supports
  • Reduces LDL cholesterol by 20% and raises HDL by 8-10% (clinical trials)
  • Superior to pantothenic acid for cardiovascular benefits
  • Supports antioxidant status through glutathione pathways
  • Well-tolerated with minimal side effects

Sources: NIH Examine.com · data reviewed 2026-08-01

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Vitamin B5 (Pantethine)?

Documented effects: Cholesterol improvement; Enhanced energy metabolism; Antioxidant support; Liver detoxification. Reduces LDL by 20% and increases HDL by 8-10%

How much Vitamin B5 (Pantethine) should you take per day?

The common daily range is 300-900 mg. By goal — maintenance: 150-300 mg; therapeutic: 600-1200 mg; cholesterol lowering: 600-900 mg; divided dosing: Split into 2-3 doses daily.

When is the best time to take Vitamin B5 (Pantethine)?

Divided doses with food. First effects are typically reported within 2-4 weeks for energy and antioxidant effects.

What are the side effects of Vitamin B5 (Pantethine)?

At excessive doses: No known toxicity at supplemental doses, Mild digestive upset at very high doses, Strong sulfur odor (not harmful), No upper limit established, Generally well-tolerated. Safety rating at normal doses is 9 out of 10.

What should you not take with Vitamin B5 (Pantethine)?

Separate it from Alcohol, Stress Chronic by two to four hours. Increases pantothenic acid requirements

Does Vitamin B5 (Pantethine) interact with medications?

Documented interactions with statin-medications, blood-thinners. Discuss these with a pharmacist before combining.

How do you know if you need Vitamin B5 (Pantethine)?

The marker is Lipid panel (cholesterol, HDL, LDL, triglycerides), optimal range LDL <100 mg/dL, HDL >40 (men) />50 (women) mg/dL. Common deficiency signs: Same as pantothenic acid deficiency:, Fatigue and irritability, Depression and anxiety, Insomnia and restlessness.

Taken for