Active Participants34887 more than August (+33.3%)
Avg Weight Loss (12 Weeks)16.18 kgOverall recorded average
Leading Recorded ProductX-Labs RETASeptember ranking
I Love 2 Lose Engagement+34%Registered shoppers actively tracking with Captains
Leading Brand OverallX-LabsSeptember preference ranking
Leading Peptide Products — September
Observed most-bought/used ranking from the September research summary. Ranking does not establish comparative medical efficacy.
1
X-Labs Retatrutide (RETA)Leading September reported product
2
X-Labs RETA / Tirzepatide (TIRZ) ComboSeptember recorded rank 2
3
HD Labs Retatrutide (RETA)September recorded rank 3
4
X-Labs Tirzepatide (TIRZ)September recorded rank 4
5
Noventra Retatrutide (RETA)September recorded rank 5
Participant Growth — July to September 2026
July195
Reported research participants
August261
Reported research participants
September348
+87 vs August; +33.3% month on month
12-week average weight loss16.18 kg
August: 16.27 kg · July: 15.90 kg. All periods compare recorded 12-week outcomes.
The reported average weight loss is based on a standard 12-week observation period, not a claim about every participant. Brand and product rankings are observational, not controlled comparisons.
September Research Snapshot
Active participants348
Increase from 261 in August.
Men participating+11%
Reported increase during September; the baseline was not specified.
I Love 2 Lose activity+34%
Increase in PepShop shoppers registered on the app and actively tracking with their Captains.
Leading reported productX-Labs RETA
Top September product ranking.
More than the number on the scale: PepShop's I Love 2 Lose app helps participating shoppers and their Captains record and monitor their journeys consistently, supporting structured tracking and accountability.
Research transparency: All data is anonymised and observational. These figures are internally reported and have not been independently validated. Results vary; this report is not clinical evidence of efficacy or safety and is not medical advice.
Research transparency: All data is anonymised and observational. These figures are internally reported and have not been independently validated. Results vary; this report is not clinical evidence of efficacy or safety and is not medical advice.
INSIGHTS & TRENDS
Visual perspective on PepShop's anonymised monthly research statistics
1 · Participant Growth
Monthly recorded research participants · July–September 2026
+33.3% month-on-month in September. Participation increased by 153 people (+78.5%) from July to September.
2 · Average 12-Week Weight-Loss Trend
Reported average change measured over the same 12-week period each month
The September 12-week average was 16.18 kg, compared with 16.27 kg in August (−0.09 kg). Axis displayed from 15 to 17 kg to make small changes readable.
3 · September Growth Indicators
Reported percentage increases · different measures and populations
Active I Love 2 Lose registrations+34%
Total research participation+33.3%
Male participation+11%
The +34% reflects growth in registered PepShop shoppers actively tracking with Captains. The +11% male participation increase is reported without a specified comparison baseline. These percentages use different denominators and are not directly comparable as population shares.
4 · Top Five Peptide Products
September ranking by reported purchasing/usage · ordinal positions only
1X-Labs RETA
2X-Labs RETA / TIRZ Combo
3HD Labs RETA
4X-Labs TIRZ
5Noventra RETA
Rank positions show reported order only. Product counts, outcome averages by brand and relative differences were not supplied; no bar lengths or percentage differences are implied.