Evidence
Deer by the numbers
Figures from Deer's own records, refreshed hourly. Everything is aggregated and de-identified: no person, order, date or place is published, and any group smaller than 10 people is withheld.
Updated Oct 16, 2026
Orders
Paid orders
41
Shipped
41
34 in the last 90 days
Being prepared now
0
Cancelled before shipping
0
Shipped with carrier tracking
100%
Confirmed delivered
100%
Median time from payment to dispatch
Same day
Median time in transit
2.4 days
Delivered by the promised date
Not enough data yet (under 10)
Refunded orders
0
Every paid customer order on deer.supply since launch, excluding internal test orders and staff or test accounts. Delivery is counted when the carrier reports it. "Delivered by the promised date" scores only orders paid since 2026-10-03, when Deer's current delivery-date rules replaced two older estimators, against the arrival date quoted when each order was paid.
Weight change on treatment
Among 12 customers who chart their weight on a Deer treatment plan, the median change is a 8% loss over a median of 14 weeks, and 75% have lost 5% or more.
People
12
Median weight loss
8%
over a median 14 weeks
Lost 5% or more
75%
Lost 10% or more
40%
- Retatrutide PenNot enough data yet (under 10)
- Semaglutide PenNot enough data yet (under 10)
People who chart their weight in their Deer account with a started treatment plan (staff and test accounts excluded). Change is from the weigh-in nearest the plan start to their latest, at least 4 weeks apart. Negative means weight lost. Self-reported weights, not a clinical trial; no person, date or location is published, and any group under 10 people is withheld.
For comparison, the landmark trials averaged about 15% (Semaglutide, STEP-1), 21% (Tirzepatide, SURMOUNT-1) and 28% (Retatrutide, TRIUMPH-1) over longer periods. Trial averages and customer figures are not a prediction for any one person.
Third-party lab reports
- Retatrutide Pen · 10mgView report
- Retatrutide Pen · 30mgView report
- Retatrutide Pen · 60mgView report
- Tirzepatide Pen · 20mgView report
- Semaglutide Pen · 10mgView report
- Semaglutide Pen · 20mgView report
Reviews
2 moderated reviews, 0 from verified purchases. None is written by Deer. A review whose author received store credit for it says so on the review; a review without that label received nothing. Read them
The data
The same figures, with every method, as JSON for researchers and AI agents: /api/trust
Self-reported weights, not a clinical trial. Nothing here is medical advice: talk to a licensed healthcare professional before starting a medication.