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THE PEP FILES
Data Released by RealFit Group & X-Labs
June 2026 Weight Loss Research Report
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June 2026Anonymised participant data only
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Active Participants14877% Female · 23% Male
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Avg Weight Loss (12 Weeks)15.92 kgFrom program start
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Most Used PeptideRetatrutideUsed by 71.45% of cohort
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Avg Program Duration10.4 weeksAverage total duration
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Class Action Linked19%Participants linked

Compound Overview

Retatrutide

Usage71.45% (106)Participants106Avg Weekly Dose2.0 mg – 5 mgAvg Duration12 weeks
Avg Weight Change (12 Weeks)-15.92 kg

Tirzepatide

Usage14.80% (22)Participants22Avg Weekly Dose2.5 mg – 7.5 mgAvg Duration12 weeks
Avg Weight Change (12 Weeks)-12.86 kg

Semaglutide

Usage9.52% (14)Participants14Avg Weekly Dose1.0 mg – 2.4 mgAvg Duration12 weeks
Avg Weight Change (12 Weeks)-8.19 kg

Cagrilintide

Usage4.23% (6)Participants6Avg Weekly Dose2.0 mg – 4.0 mgAvg Duration12 weeks
Avg Weight Change (12 Weeks)-6.42 kg

Compound Usage Mix

Retatrutide 71.45% (106) Tirzepatide 14.80% (22) Semaglutide 9.52% (14) Cagrilintide 4.23% (6)

Avg Weight Change by Compound (12 Weeks)

0-4-8-12-16
-15.92 kg
Retatrutide
-12.86 kg
Tirzepatide
-8.19 kg
Semaglutide
-6.42 kg
Cagrilintide

Weekly Weight Change Trend by Compound

0-4-8-12-16 0123456789101112
RetatrutideTirzepatideSemaglutideCagrilintide

Compound Comparison Table

CompoundCohort SizeDose Range (Weekly)Avg DurationAvg Weight Change
Retatrutide106 (71.45%)2.0 mg – 5 mg12 weeks-15.92 kg
Tirzepatide22 (14.80%)2.5 mg – 7.5 mg12 weeks-12.86 kg
Semaglutide14 (9.52%)1.0 mg – 2.4 mg12 weeks-8.19 kg
Cagrilintide6 (4.23%)2.0 mg – 4.0 mg12 weeks-6.42 kg

All data anonymised. Individual results may vary. June 2026 research transparency report. Not medical advice.