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Brand Dossier

Serotonin Centers

FDD-based analysis. Item-level data. No franchisor input.

Serotonin Centers costs $905,284 to $1,820,879 to open (2026 FDD Item 7), with a 7% royalty plus 2% ad fund (9% total ongoing). Concern on Fee Structure and Operator Validation, Deal-Specific reads on Unit Economics and Term & Exit Terms, In Line on Litigation History. Independent analysis, no commissions, no franchisor revenue.
Not ranked in the Entrepreneur 2026 Franchise 500Health & WellnessFDD issued April 20, 2026
Ranking ContextSerotonin Centers is not ranked in the Entrepreneur 2026 Franchise 500. Zorzee is an independent publication and not affiliated with Entrepreneur Media.
Source File2026 Franchise Disclosure Document. Measurement period: Jan 1 - Dec 31, 2025.
About the Brand

About Serotonin Centers

Serotonin Enterprises, LLC franchises Serotonin anti-aging and medical wellness centers that provide services including cosmetic injectables, hormone replacement therapy, medical weight loss, and vitamin IV infusions. The Florida-based franchisor was formed in January 2021, began offering franchises in July 2021, and is a subsidiary of Longevity Brands, LLC. As of December 31, 2025 the system operated 11 centers, 8 franchised and 3 affiliate-owned.

Source: FDD Item 1, rewritten by Zorzee

Investment Summary

The Numbers At a Glance

Total Investment Range
$905,284 to $1,820,879
FDD Item 7
Franchise Fee
$59,000
Development fee: $165,000 (3-unit MUDA) to $550,000 (11-unit MUDA), plus $45,000 per unit after the 20th unit (Item 5, p.7-9).
FDD Item 5
Royalty + Fees
9%
9% of Gross Revenue plus fixed monthly floors: 7% royalty (or $2,500/month minimum) + 2% Advertising Fund, plus a $5,000/month local marketing minimum, a $1,900/month technology fee, and a $995/month required call center fee.
FDD Item 6
Earnings Claim
Disclosed (no combined average)
Earnings disclosure present. Per-center revenue is reported for six centers; no combined system-wide average is disclosed.
FDD Item 19

Every value here comes straight from the FDD; anything not yet source-verified stays blank rather than estimated. The Pro figures and full interpretation unlock with a Pro membership.

The FDD Data Table

Everything the 2026 Filing Discloses

Every data point Zorzee tracks for this brand, in FDD Item order. Missing source data stays blank; Pro-only interpretation remains locked.

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ItemData PointValueSource
Item 3Litigation Actions (total) 0 actions disclosed FDD Item 3
Item 5Initial Franchise Fee The Initial Franchise Fee is $59,000 for a single unit, reduced under a Multi-Unit Development Agreement (Item 5, p.7). FDD Item 5
Item 5Development Fee $165,000 (3-unit MUDA) to $550,000 (11-unit MUDA), plus $45,000 per unit after the 20th unit (Item 5, p.7-9). FDD Item 5
Item 6Royalty Fee Greater of 7% of Gross Revenue or $2,500 per month. FDD Item 6
Item 6National Media Fund Pro FDD Item 6
Item 6Corporate Ad & Development Fund Pro FDD Item 6
Item 6Total Ongoing Fee Burden Pro Calculated (Item 6)
Item 7Total Investment (low) $905,284 FDD Item 7
Item 7Total Investment (high) $1,820,879 FDD Item 7
Item 8Required Purchases (food/supplies) Pro FDD Item 8
Item 11Franchisor Assistance Pro FDD Item 11
Item 12Exclusive Territory Pro FDD Item 12
Item 12Territory Size Pro FDD Item 12
Item 15Operating Participation Pro FDD Item 15
Item 17Initial Term Length Pro FDD Item 17(a)
Item 17Renewal Terms Pro FDD Item 17(b)-(c)
Item 17Required Remodel at Renewal Pro FDD Item 17(c)
Item 17Termination Triggers Pro FDD Item 17(f)-(h)
Item 17Transfer Fee Pro FDD Item 17(m), Item 6
Item 17ROFR Provisions Pro FDD Item 17(n)
Item 17Post-Termination Non-Compete Pro FDD Item 17(r)
Item 19Revenue Metric Disclosed Disclosed (no combined average): Earnings disclosure present. Per-center revenue is reported for six centers; no combined system-wide average is disclosed. FDD Item 19
Item 20Total Franchised Units (2025) 8 FDD Item 20
Item 20Company-Owned Units (2025) 3 FDD Item 20
Item 20Total System Net Unit Growth (YoY) +2 FDD Item 20
Item 20Terminations Pro FDD Item 20
Item 20Agreements Signed, Not Yet Open Pro FDD Item 20
Item 21Audited Financials Pro FDD Item 21
Pro Data Points Locked
The free table maps every data point to its FDD source. Pro fills in the values and interpretation that require the full read.
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The Signal Tracker

Five Signals From the 2026 Filing

Each signal turns one part of the filing into a read a buyer can act on. Strength means the disclosed data is favorable. In Line means it is typical for the category. Deal-Specific means the term is populated but you still have to model it against your own deal. Concern means the disclosed data is a real risk. The read is free. The reasoning behind it is the Pro read.

Fee Structure
Concern
FDD Item 6
The Pro Read

The ongoing load is heavy and much of it is fixed, so it does not shrink when revenue does. On top of a percentage royalty and ad fund, the franchisee owes a large monthly local marketing minimum plus fixed technology and call center fees, several of them payable to the franchisor or its affiliates.

Unit Economics
Deal-Specific
FDD Item 19
The Pro Read

Real historical revenue is disclosed, which is more than many emerging brands provide, but it is thin and uneven. The filing reports figures for only a handful of centers and computes no system-wide average, mixing affiliate-owned and franchised locations, and the numbers are gross revenue, not profit.

Litigation History
In Line
FDD Item 3
The Pro Read

Source-reviewed FDD Item 3 discloses 0 actions. The legal-context read remains locked in Pro.

Operator Validation
Concern
FDD Item 20
The Pro Read

The most recent year shows a high rate of franchised closures against a small base, which the filing itself flags as a special risk. Growth in raw counts is real, but churn is running alongside it.

Term & Exit Terms
Deal-Specific
FDD Item 17
The Pro Read

Standard length with renewals, but several terms favor the franchisor on the way out. The franchisee cannot end the agreement early, disputes are handled in the franchisor's home state, and a post-term non-compete applies.

Five Reads In. The Reasoning Is Locked.
You can see where each signal lands. Pro gives you the why: the math, the source detail, and what to validate before you act.
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Item 19: Earnings Disclosure

What the Earnings Claim Says, and What It Does Not

Serotonin Centers has Unit Economics data in Item 19, but it does not provide one standard combined unit figure for Free to display. The disclosed cohorts, tiers, ranges, coverage, and read are included in Pro.

Disclosed (no combined average)

The disclosed cohorts, tiers, ranges, coverage, and read are included in Pro. No combined figure is invented or exposed on Free.

What the Number Doesn't Tell You
Free, because misreading Item 19 is one of the costliest mistakes a first-time buyer can make.
  • Item 19 reports the disclosed sales or revenue metric. That is not profit, and not a forecast of what you would personally take home.
  • An average and a median are not the same number. Know which you are shown and how far apart they sit.
  • What reaches you is whatever survives operating costs and debt service. Item 19 never shows that figure.
Earnings Detail Locked
Pro reveals the filing's actual disclosure shape, coverage, ranges, and the Zorzee read without inventing a combined unit average.
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Unit Count and Trajectory

A System Still Expanding

Total Units
11
As of 2025, FDD Item 20
Franchised
8
As of 2025, FDD Item 20
Company-Owned
3
As of 2025, FDD Item 20
Total System Net Change (YoY)
+2
As of 2025, FDD Item 20
Total System Units, Latest Available FDD Years
4
2023
9
2024
11
2025

Serotonin Centers trajectory is shown only where source-backed. Missing Item 20 fields stay blank inside the locked layout instead of removing the section.

Source: FDD Item 20 where present. Total system units, franchised plus company-owned. Not financial advice.

Beyond the Net Number
A net unit count is not the same as healthy stores. Pro breaks out openings, closures, terminations, and what the trajectory signals.
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Litigation History

What FDD Item 3 Discloses

0 actions disclosed in source-reviewed FDD Item 3.

Source Status
Item 3 litigation detail not yet sourced
Not yet sourced. No zero-action conclusion has been loaded for this brand.
The Read · Pro
What a Litigation Count Doesn't Tell You
Free, because a raw lawsuit count is one of the most misread lines in any FDD.
  • A count means nothing without scale and time. Always compare it to system size and years covered.
  • The pattern matters more than the total. Repeated allegations matter more than isolated disputes.
  • Concluded and open matters are not the same weight. Open matters require different diligence than old resolved matters.
Litigation Read Locked
Pro gives the case-by-case read: allegations, status, scale context, and whether any pattern matters long before signing.
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Editorial Analysis

The Zorzee Read

The Zorzee Take
The editor's synthesis: what the filing actually means once the numbers, diligence, and operator reality are weighed against each other. The Take names what matters, what does not, and what must be validated before any decision.
The Read · Pro
The Inversion
Charlie Munger's rule: to understand a thing, study how it fails. Zorzee stress-tests every brand against forecasting, site selection, management depth, and exit math. The framework is free. Which modes bite hardest for this brand, and the fix for each, is the read.
The Failure-Mode Read · Pro
The Editorial Read Is Locked
Pro unlocks the full Zorzee read on Serotonin Centers: the editorial synthesis, the math behind the numbers, and the failure modes the filing reveals. Zorzee briefs the decision; you make it.
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Zorzee editorial. Independent analysis. No franchisor review or approval. Not financial advice.

The Decision

You've Seen the Filing. The Read Is Still the Missing Piece.

The filing tells you what Serotonin Centers costs to open. Pro adds the read on whether the numbers work for you, in your market, and whether this brand is a business or a job you bought.

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This Dossier
  • The full read behind all five Signal Tracker verdicts
  • Pro FDD data points from fee burden through Item 17 and audited financials
  • The Item 19 earnings read where disclosed
  • The litigation and system-health read
  • The Zorzee Take and failure-mode analysis
Your Pro Membership
  • The Zorzee Report Pro every Tuesday, one franchise decoded each week
  • The full Signal Tracker across the portal
  • The Zorzee Files: FDD guides, DCF templates, and pro forma models (coming soon)
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FAQ

Serotonin Centers Franchise Questions, Answered

How much does a Serotonin Centers franchise cost?

A Serotonin Centers franchise costs $905,284 to $1,820,879 to open, disclosed in FDD Item 7 of the 2026 filing, covering the franchise fee, buildout, equipment, and working capital to breakeven. No commissions, no franchisor revenue, independent analysis only.

What are the royalty and fees for Serotonin Centers?

Serotonin Centers charges a 7% royalty plus a 2% brand and ad fund, a 9% total ongoing fee burden, disclosed in FDD Item 6.

What does Serotonin Centers disclose in FDD Item 19?

No Item 19 earnings figure is disclosed for Serotonin Centers in its 2026 FDD, so there is no franchisor-stated revenue number to read.

Does Serotonin Centers have any lawsuits or litigation?

Serotonin Centers's FDD Item 3 discloses no legal actions in the 2026 filing.

Is Serotonin Centers a good franchise investment?

Zorzee does not rate franchises good or bad; it reports what the filing discloses so you can judge fit. Serotonin Centers shows Concern on Fee Structure and Operator Validation, Deal-Specific reads on Unit Economics and Term & Exit Terms, In Line on Litigation History. Whether it fits depends on your capital, your market, and your operating style. Independent analysis, no franchisor revenue.