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Fatty15 C15:0 Supplement vs Fatty15 Advanced Formula Extra Strength

Both are Fatty15 C15:0 capsules in three 30-capsule bottles, so the real split is dose. The standard Fatty15 gives 100 mg pentadecanoic acid per capsule at 1 capsule a day. The Advanced Formula Extra Strength gives 150 mg per capsule and is positioned for 150 to 300 mg daily, so it suits people who want a higher dose or who were told to take more. Reviewers of the standard formula report calmer mood, deeper sleep and less snacking within about six weeks; the extra-strength version is sold through healthcare professionals, so owner feedback is thinner. For most first-time buyers the standard version is the simpler, better-documented choice.

  • Choose the standard Fatty15 if you want the widely reviewed 100 mg capsule at one a day and a straightforward 90-day supply.
  • Choose the Advanced Formula Extra Strength if you want 150 mg per capsule and room to take 150 to 300 mg daily under professional guidance.

Prices

  • Fatty15 C15:0 Supplement: $36.05 at eBay (last seen Nov 8)
  • Fatty15 Advanced Formula Extra Strength: $95.00 at fatty15 clinic (last seen Nov 8)
  • Difference: the Fatty15 C15:0 Supplement is $58.95 cheaper than the Fatty15 Advanced Formula Extra Strength at the latest prices (Nov 8)
Fatty15
Fatty15 3-Pouches

Fatty15 C15:0 Supplement

Fatty15 3-Pouches

$36.05at eBayChecked Nov 8
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Simple one-capsule daily routine
  • Most-reviewed version, with reported mood, sleep and snacking benefits
  • Vegan, dairy-free and gluten-free
  • Three bottles cover a full 90 days at label dose
Cons
  • Lower dose per capsule than the extra-strength version
  • No option to reach 300 mg without taking three capsules
  • Fewer detailed cellular claims on the label
Fatty15
Fatty15 Advanced Formula Extra Strength Starter Kit

Fatty15 Advanced Formula Extra Strength

Fatty15 Advanced Formula Extra Strength Starter Kit

5(2 ratings)
$95.00at fatty15 clinicChecked Nov 8
See all prices and details
Visit fatty15 clinic
Pros
  • Higher 150 mg dose per capsule
  • Flexible 150 to 300 mg daily range
  • Detailed cellular and metabolic claims
  • Same vegan, dairy-free, gluten-free formula
Cons
  • Two capsules a day halves the supply to about 45 days
  • Sold through healthcare professionals, so harder to buy casually
  • Less owner feedback than the standard version
  • Higher dose is not needed by everyone

What separates them

Fatty15 C15:0 SupplementFatty15 Advanced Formula Extra Strength
Pentadecanoic acid per capsule100 mg150 mg
Daily dosing range1 capsule a day, 100 mg1 to 2 capsules, 150 to 300 mg
Capsules per bottle3030
Bottles per pack33
Supply length at label dose90 days at 1 capsule90 days at 1 capsule, 45 days at 2
IngredientsFA15 pentadecanoic acid, vegetable cellulose capsulePure pentadecanoic acid, same vegan capsule format
Where it is soldDirect to shoppersThrough healthcare professionals
Stated cellular claimsMetabolism, immunity, gut and heart supportAdds AMPK activation, mTOR inhibition, mitochondrial and red blood cell support

Price history

$149.95$36.05
Nov 8Nov 10
  • Fatty15 C15:0 Supplement: lowest $36.05 on Nov 8 at eBay; $149.95 on Nov 10.
  • Fatty15 Advanced Formula Extra Strength: lowest $36.05 on Nov 8 at eBay; $149.00 on Nov 10.

Prices at every store

Fatty15 C15:0 Supplement

  • eBayNew

    In stockSold by vgsny

    $36.05Free shippingChecked Nov 8
    Visit eBay
  • Origin MedicineNew

    In stockReturn policy

    $45.00Checked Nov 8
    Visit Origin Medicine
  • Mark Hyman, MDNew

    In stockReturn policy

    $49.95Checked Nov 8
    Visit Mark Hyman, MD
  • UltraWellness CenterNew

    In stock

    $49.95Checked Nov 8
    Visit UltraWellness Center

Also available at

  • austin-skin-wellness.myshopify.comCheck price at austin-skin-wellness.myshopify.com

Store links may earn us a commission.

All 12 stores and price history →

Fatty15 Advanced Formula Extra Strength

  • fatty15 clinicNew

    In stockReturn policy

    $95.00Checked Nov 8
    Visit fatty15 clinic
  • Wild & Well: A Wellness EmporiumNew

    In stockReturn policy

    $165.00Checked Nov 8
    Visit Wild & Well: A Wellness Emporium

Also available at

  • Dr. Rogers CentersCheck price at Dr. Rogers Centers
  • AmazonCheck price at Amazon
  • austin-skin-wellness.myshopify.comCheck price at austin-skin-wellness.myshopify.com
All 2 stores and price history →

Specs compared

SpecFatty15 C15:0 SupplementFatty15 Advanced Formula Extra Strength
Serving Size1 capsule1 capsule
Servings Per Container3 x 30 capsules3 x 30 capsules
Dietary ConsiderationsVegan, dairy-free, gluten-freeVegan, dairy-free, gluten-free
Suggested Use1-2 capsules daily1-2 capsules daily
C15:0 Per Capsule100 mg100 mg
Capsules Per Bottle30 capsules30 capsules
Supply Length90-day supply90-day supply
Main PurposeReplenishing And Strengthening CellsReplenishing And Strengthening Cells
FormulationCapsuleCapsule
Number Of Pills3030
Pentadecanoic Acid100 mg—
Bottles Includedthree bottles—
Show all 19 specsShow fewer specs
SpecFatty15 C15:0 SupplementFatty15 Advanced Formula Extra Strength
IngredientsFA15™ (Pentadecanoic Acid), Vegetable Cellulose…—
Daily Dosage1 capsule a day—
Pentadecanoic acid per serving—100 mg
Bottles per kit—three bottles
Daily dose—1 capsule a day
Capsule count—2 x 30 Capsules
Pentadecanoic acid per capsule—150mg

What reviewers say

Fatty15 C15:0 Supplement

Reception is limited and mostly from the brand's own customer surveys rather than independent testing. Buyers who report results describe subtle changes over weeks, not immediate effects.

What people mention
  • EfficacyMixedSome users report calmer mood, deeper sleep or less snacking within six weeks, while others notice little.
  • DosageMixedOne capsule daily is convenient, but taking two shortens the stated 90-day supply.
  • IngredientsPraisedBuyers like the short vegan, dairy-free and gluten-free formula.
  • PriceCriticisedPer-bottle cost is seen as high for a single fatty acid supplement.

Questions and answers

Which is better for a first-time C15:0 user?
Start with the standard Fatty15. It gives 100 mg a day in one capsule and has the most user feedback behind it. Move up to the extra-strength version only if you want a higher dose.
Can I take both the same way?
Yes. Both are one-capsule servings of pure C15:0 in a vegan cellulose capsule. The difference is that the extra-strength capsule carries 150 mg instead of 100 mg.
Which lasts longer?
At one capsule a day, both packs last 90 days. If you take the extra-strength version at two capsules a day to reach 300 mg, that pack lasts about 45 days.
Is the extra-strength version worth stepping up to?
Step up if you specifically want 150 to 300 mg of pentadecanoic acid daily or your clinician recommends it. Otherwise the standard 100 mg dose is the better-tested, simpler buy.
Do they have the same ingredients?
Yes. Both use FA15 pentadecanoic acid in a vegetable cellulose capsule and are vegan, dairy-free and gluten-free. Only the amount per capsule differs.
Why is the extra-strength version sold through professionals?
Fatty15 markets it as a high-dose formula provided by healthcare professionals. That means it is less available in ordinary retail channels than the standard version.

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More comparisons

  • Fatty15 3-Pouches vs Fatty15 Starter Kit
  • Fatty15 Advanced Formula Extra Strength Starter Kit vs Fatty15 Starter Kit