Ships in plain packaging
TRUE 2–8°C · SILENT · DISCREET

The PeptiFridge

A quiet personal fridge that holds a true 2–8°C — so your peptides stay exactly as cold as they need to be, and exactly as private as you want them.

4.8 / 5 — 2,140+ verified owners
  • Holds a true 2–8°C set point — not "20 degrees below the room"
  • Quiet enough for a bedroom, a dorm or a guest room
  • Looks like a speaker, not a medical device
  • Ships in a plain box with no brand or drug names
  • Runs on wall, car (12V/24V) or USB-C power
BUILD YOUR SETUP
Free Setup Bundle
INCLUDED TODAY
FREE
Thermometer Card
Thermometer Card $19
FREE
Vial Tray + Date Labels
Vial Tray + Date Labels $14
FREE
Discreet Travel Case
Discreet Travel Case $29
FREE
12V Car Adapter
12V Car Adapter $12
FREE
USB-C Power Bank
USB-C Power Bank $39

Free US shipping · 30-day returns · Unbranded box

30-day returns
Discreet packaging
Free US shipping
1-year warranty

Nobody has to know what is in it. Every order ships in a plain box with no brand name, no product name and no drug names anywhere on the label or the packing slip.

Why people trust PeptiFridge

A real thermostatLocks to 2–8°C instead of drifting with the room.
Freeze protectionCuts out at 2°C so a cold room never ruins a vial.
Whisper quietUnder 25 dB. Built for a nightstand, not a lab bench.
Unbranded deliveryPlain box, neutral label, neutral card statement.
Goes where you goWall, car or USB-C. Fits a carry-on or a duffel.
Yours aloneNo shared shelf, no questions, no explaining yourself.

What our customers are saying:

2–8°C The only range your peptides are actually stable in. Warmer and they degrade silently. Colder and they're destroyed for good.
16°C What a cheap mini fridge really gives you. They cool relative to the room, so a warm bedroom lands you nowhere near safe.
0 Brand names, product names or drug names anywhere on the box, the label or your card statement.
1 The number of people who need to know what is inside it. You.
THE NUMBERS THAT MATTER

Four numbers decide whether your peptides survive the week

Two of them are about temperature. Two are about who gets to know. A fridge that only handles one half of that isn't solving your problem.

Get My Private Fridge

Free US shipping · Plain unbranded box · 30-day returns

Why a fridge of your own beats the one in the kitchen

The kitchen fridge fails you twice. It isn't private, and it isn't stable. Here's what a dedicated unit does differently.

A real thermostat, not a guess

Cheap coolers only run a fixed number of degrees below the room, so a warm bedroom puts your vials out of range without ever telling you. This one locks to a set point and holds it whether the room is 18°C or 32°C.

It can't freeze what's inside

The back wall of a kitchen fridge and a cold room in winter will both take a vial below zero — and freezing destroys it for good. A 2°C cutoff and an internal air gap mean nothing ever touches a cold plate.

Quiet enough to sleep beside

Under 25 dB, so it lives on a nightstand, a desk or a dorm shelf without anyone noticing it's running. It looks like a piece of tech, not a piece of medical equipment.

Yours, and nobody else's business

No shared shelf. No one rearranging your things or asking what's in the box. No explaining yourself at a family dinner. It arrives in plain packaging and stays exactly as private as you want it.

Get My Private Fridge

Free US shipping · Plain unbranded box · 30-day returns

Real owners. Real fridges. Real quiet.

Every review below is from a verified purchase.

Way Better Than Hiding Them

I used to bury my peptides behind food so nobody would ask questions. This is so much easier. I just keep it tucked away in my room and don’t have to think about anyone finding them anymore.

Jared L. Verified purchase

Wish I Bought It Sooner

My mom almost threw out the container I was keeping my vials in while cleaning the fridge. Bought this right after. Now everything stays separate, discreet, and untouched. Wish I got one sooner.

Chris P. Verified purchase

Best Purchase OAT

If you live with parents or roommates, this is honestly worth it just for the privacy. No questions, no people moving your stuff, no worrying about someone throwing something away or finding it.

Drew A. Verified purchase

Cold where it counts. Quiet where it matters.

Four things a kitchen shelf will never do for you.

Locked at 2–8°C

Holds the range whatever the room does.

Can't freeze a vial

Cuts out at 2°C. Nothing touches a cold plate.

Silent on a nightstand

Under 25 dB. You'll forget it's running.

Nobody's business but yours

Plain box, private shelf, no questions.

Get My Private Fridge

Free US shipping · Plain unbranded box · 30-day returns

THE EVIDENCE

Four facts that decide what a fridge needs to do

Not marketing claims. These come straight from manufacturer storage instructions and the physics of how these coolers work.

2–8°C is the entire safe window

Tirzepatide, semaglutide and insulin all carry the same storage instruction: 36–46°F. Above roughly 86°F, degradation accelerates sharply — the reaction rate roughly doubles for every 10°C of extra warmth. A fridge that only promises "cool" is not promising this.

Source: manufacturer prescribing information for Zepbound, Mounjaro, Ozempic and Wegovy.

Freezing is permanent, not recoverable

Ice crystals break the peptide's folded structure, and it does not re-fold when it thaws. A vial that froze once is finished. This is why the back wall of a kitchen fridge, a cold winter room and a gel pack in direct contact are all genuine risks — and why a 2°C cutoff matters as much as the cooling does.

Source: peptide handling and reconstitution guidance; manufacturer inserts, "Do not freeze."

You cannot tell by looking

Heat-damaged peptide stays clear. There is no cloudiness, no colour change, nothing to see. A normal-looking vial is not a guarantee of potency, and the only signal you get is a weaker response than usual — noticed weeks later, if at all. That uncertainty is the real cost of a storage failure.

Source: peptide stability guidance on visual inspection limits.

Cheap coolers chase the room, not a number

Thermoelectric (Peltier) units have no absolute set point. They cool roughly 15–20°C below whatever the room is. A 32°C bedroom leaves you at about 16°C — well out of range. A 12°C room in winter drives them below freezing. Same device, opposite failures, neither one announced.

Source: thermoelectric cooling ΔT characteristics; widely reported in owner reviews of low-cost units.
Get My Private Fridge

Free US shipping · Plain unbranded box · 30-day returns

Storage ranges shown reflect manufacturer prescribing information for the medications listed. This product is a refrigeration device and is not a medical device, and nothing here is medical advice. Always follow the storage instructions that came with your medication.

  • True 2–8°C
  • Freeze protected
  • Under 25 dB
  • Plain packaging
  • Neutral card statement
  • Wall · Car · USB-C
  • Fits a carry-on
  • 30-day returns
  • 1-year warranty

Your protocol. Your business.

We built this for the people who keep their medication in a bedroom drawer, an office cabinet or a dorm shelf — not because anything is wrong, but because it is nobody else's conversation. It holds a real 2–8°C and it does it quietly.

Get My Private Fridge

Free US shipping · 30-day returns

What it does

  • Holds a true 2–8°C, whatever the room is doing
  • Cuts out at 2°C so nothing ever freezes
  • Runs under 25 dB on a nightstand
  • Shows you the live temperature on the lid
  • Runs on wall, car 12V/24V or USB-C
  • Fits a carry-on, a duffel or a desk drawer

What it never does

  • Never puts your vials on a shared shelf
  • Never arrives in a box with a brand or drug name on it
  • Never shows up on your card statement as anything identifiable
  • Never looks like medical equipment on a bedside table
  • Never needs a conversation with a roommate, a parent or a host
  • Never leaves you guessing whether a dose is still good

How it stacks up against what you're using now

Same job, four very different outcomes.

Feature This fridge$40 mini fridgeIce pack coolerKitchen fridge
Holds a true 2–8°C set point
Works the same in a hot room
Can't freeze a vial
Shows you the live temperature
Stays private — no shared shelf
Arrives in unbranded packaging
Quiet enough for a bedroom
Travels with you
Runs on wall, car and USB-C
Typical cost$129$40–69$15–35Free
Holds a true 2–8°C

Swipe the table to see every column

Get My Private Fridge

Free US shipping · Plain unbranded box · 30-day returns

30 Day Trial
RISK-FREE

30 nights on your nightstand. Then decide.

Put it exactly where you would actually keep it. Watch the temperature hold overnight. Listen for it while you are falling asleep. If it is not what you needed, send it back inside 30 days for a full refund.

  • Free return label — you will not pay to send it back
  • Returns ship as plainly as the delivery did
  • No restocking fee and no questions asked
  • 1-year warranty on the cooling unit
Start My 30 Nights

Free US shipping · Plain unbranded box · 1-year warranty

Your protocol. Your business.

We built this for the people who keep their medication in a bedroom drawer, an office cabinet or a dorm shelf — not because anything is wrong, but because it is nobody else's conversation. It holds a real 2–8°C and it does it quietly.

Get My Private Fridge

Free US shipping · 30-day returns

What it does

  • Holds a true 2–8°C, whatever the room is doing
  • Cuts out at 2°C so nothing ever freezes
  • Runs under 25 dB on a nightstand
  • Shows you the live temperature on the lid
  • Runs on wall, car 12V/24V or USB-C
  • Fits a carry-on, a duffel or a desk drawer

What it never does

  • Never puts your vials on a shared shelf
  • Never arrives in a box with a brand or drug name on it
  • Never shows up on your card statement as anything identifiable
  • Never looks like medical equipment on a bedside table
  • Never needs a conversation with a roommate, a parent or a host
  • Never leaves you guessing whether a dose is still good

PolarVault

A quiet personal fridge that holds a true 2–8°C — so what you keep in it stays exactly as cold as it needs to be, and exactly as private as you want it.

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Support

Questions before you order? Email help@polarvault.com and a human replies within one business day.

Ships in a plain box — no brand or product names on the label
Free US shipping, tracked from our warehouse to your door
30-day returns and a 1-year warranty on every unit

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