Compare

IGF-1 LR3 vs Retatrutide

Side-by-side observational reports from PeptIQ users. This compares self-reported patterns — not clinical head-to-head trials.

Observational reporting only — not medical advice. Does not recommend doses, protocols, or treatments.
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IGF-1 LR3

30 community reports

Overall experience

From check-in ratings — separate from side effects logged below. Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.

Favorable 97% · Mixed 3% · Unfavorable overall 0%

Most reported benefits

Benefits users selected when logging a favorable or mixed check-in.

Recovery
171

Most logged side effects

Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.

Water retention
5

Self-reported dose per injection

Median bucket: 50–100 mcg · Most common: 10–25 mcg

Reports span 0–200 mcg

0–10
1
10–25
60
25–50
1
50–100
53
100–200
56

Anonymized self-reports from PeptIQ users — not prescribing guidance. Buckets group similar logged amounts; open-ended top buckets mean “at least” that dose.

How repeat users are trending

Among repeat reporters, 96% said they felt similar to their last entry, 4% more positive, and 0% more negative.

Overall, repeat reporters leaned more positive than their previous entry.

Median gap between entries: 153 days · Based on 28 repeat reporters

Retatrutide

125 community reports

Overall experience

From check-in ratings — separate from side effects logged below. Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.

Favorable 99% · Mixed 1% · Unfavorable overall 0%

Most reported benefits

Benefits users selected when logging a favorable or mixed check-in.

Appetite
222

Most logged side effects

Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.

Nausea
3

Self-reported dose per injection

Median bucket: 2–3 mg · Most common: 1–2 mg

Reports span 0 to ≥ 5 mg (open-ended top bucket)

0–0.01 mg
5
0.1–0.2 mg
3
0.2–0.4 mg
6
0.4–0.6 mg
10
0.6–1 mg
5
1–2 mg
80
2–3 mg
35
3–5 mg
17
5+ mg
61

Anonymized self-reports from PeptIQ users — not prescribing guidance. Buckets group similar logged amounts; open-ended top buckets mean “at least” that dose.

How repeat users are trending

Among repeat reporters, 100% said they felt similar to their last entry, 0% more positive, and 0% more negative.

Overall, repeat reporters leaned similar or mixed compared to their previous entry.

Median gap between entries: 51 days · Based on 45 repeat reporters

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