Most prescribed
Weekly injection
In stock
Wegovy®
semaglutide
Important safety informationCheck if you qualify for GLP-1
Cohort closes in00D 00H 00M 00S
Join over 500 people.Join over 500 people already on their weight loss journey. See if you qualify
4.7 / 5 · Rated by 500+ members
Your personal
weightloss program.
supervised by real professionals.
Down 42 pounds in 6 months. First thing that's ever actually worked for me.
Sarah, 34 · -42 lbsLost 58 lbs and finally off my blood pressure meds. The clinician check-ins kept me on track.
James, 41 · -58 lbsCravings just… stopped. 31 lbs lighter and I feel like myself again.
Priya, 29 · -31 lbs67 pounds gone. My knees don't ache and I'm playing football with my kids again.
Michael, 47 · -67 lbsThe doctor actually listened. 44 lbs down and I'm not constantly thinking about food.
Elena, 38 · -44 lbsTried everything for 20 years. This is the only thing that stuck. Down 71 lbs.
Tom, 52 · -71 lbsSleeping better, energy back, 38 lbs lighter. Wish I'd done this years ago.
Aisha, 31 · -38 lbsLost almost 50 pounds and my A1C is back to normal. Life-changing.
David, 44 · -49 lbsDown 36 lbs for my wedding. Felt incredible walking down the aisle.
Hannah, 27 · -36 lbs55 lbs in 8 months. The discreet delivery and zero waiting was a game changer.
Marcus, 39 · -55 lbsDown 42 pounds in 6 months. First thing that's ever actually worked for me.
Sarah, 34 · -42 lbsLost 58 lbs and finally off my blood pressure meds. The clinician check-ins kept me on track.
James, 41 · -58 lbsCravings just… stopped. 31 lbs lighter and I feel like myself again.
Priya, 29 · -31 lbs67 pounds gone. My knees don't ache and I'm playing football with my kids again.
Michael, 47 · -67 lbsThe doctor actually listened. 44 lbs down and I'm not constantly thinking about food.
Elena, 38 · -44 lbsTried everything for 20 years. This is the only thing that stuck. Down 71 lbs.
Tom, 52 · -71 lbsSleeping better, energy back, 38 lbs lighter. Wish I'd done this years ago.
Aisha, 31 · -38 lbsLost almost 50 pounds and my A1C is back to normal. Life-changing.
David, 44 · -49 lbsDown 36 lbs for my wedding. Felt incredible walking down the aisle.
Hannah, 27 · -36 lbs55 lbs in 8 months. The discreet delivery and zero waiting was a game changer.
Marcus, 39 · -55 lbsHow it works
Your personal weight loss solution.
From quiz to clinician to delivery — three simple steps, fully online.
1Start your free 2 minute assessment
Complete our quick clinical quiz to see if you qualify for GLP-1 weight management — no cost, no obligation.
2Get prescribed easily
A licensed clinician reviews your responses. If anything else is needed, a short telehealth call is arranged.
3Receive your medication
Your prescription is shipped to your door in discreet packaging — start your protocol within days.
Personalized weight loss backed by science.
See how much you may lose
Your current weight210lbs
120 lbs350 lbs
You could lose32lbs
Illustrative estimate based on 15% body weight reduction reported in GLP-1 clinical trials. Individual results vary.
Medically proven treatment
Our protocol is built on GLP-1 therapies clinically shown to support weight loss.
Real members, real results
Thousands of members on their journey with clinician-led support every step.
Care that fits your life
Message your clinician, track progress, and manage your plan — all from the Koi platform.
180-day satisfaction guaranteeCancel anytimeClinician-led careMedically proven protocolTrusted by 12,000+ membersFree next-day shipping1:1 messaging with your clinician180-day satisfaction guaranteeCancel anytimeClinician-led careMedically proven protocolTrusted by 12,000+ membersFree next-day shipping1:1 messaging with your clinician180-day satisfaction guaranteeCancel anytimeClinician-led careMedically proven protocolTrusted by 12,000+ membersFree next-day shipping1:1 messaging with your clinician
The full GLP-1
formulary.
Your clinician selects from a complete range of licensed treatments — matched to your goals, history and response.
New
Weekly injection
In stock
Mounjaro®
tirzepatide
Important safety informationComing soon
⌘
Peptides
A new chapter for Koi — recovery, longevity & performance peptides.
In development
Not yet available
Peptides+
joining the Koi formulary
Launching later this yearOzempic® is licensed for type 2 diabetes and may be prescribed off-label for weight management at your clinician's discretion. All treatments require a clinical consultation and ongoing oversight.
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95% love their experience
12,000+
members and counting
Hear from Koi members:
“The clinician messaging made it feel like real care — not a checkout.”
EvanKoi member
04 · Membership
Koi's weightloss program
One price.
Everything inside.
Choose your treatment
from£174/ month
On the 6-month plan. Pricing varies by region and plan length. No setup fees, cancel anytime.
Koi members get a complete GLP-1 protocol — medication, clinician oversight, lab work, coaching and ongoing adjustments — for a single monthly fee.
- Clinician-led GLP-1 protocol
- Medication shipped monthly, discreet packaging
- Baseline and ongoing lab work included
- 1:1 messaging with your clinician
- Dose adjustments based on your response
- Pause or cancel anytime
Questions, answered.
What is Koi Health?+
Koi Health is a private digital health platform launching in the UK, US and Germany. We connect members with licensed clinicians for personalised weight management and longevity protocols — delivered entirely online, without waiting lists or GP referrals. Our first product is a clinician-led GLP-1 weight loss programme.
Who is Koi for?+
Adults who want a private, clinician-led path to weight management, hormonal balance or longevity — without the friction of public healthcare.
What does Koi treat today?+
Our launch product is GLP-1 weight management. TRT and peptide-based longevity protocols follow in 2026 once we validate demand.
How do I get started?+
Fill out our quick eligibility quiz. Once a clinician approves, your medication is shipped straight to your door.