PubMed
Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes
Rosenstock J, Frias J, Jastreboff AM, et al. Lancet. 2023
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Side-by-side observational reports from PeptIQ users. This compares self-reported patterns — not clinical head-to-head trials.
Last reviewed . By the PeptIQ team.
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%
Benefits users selected when logging a favorable or mixed check-in.
Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.
Median bucket: 2–3 mg · Most common: 1–2 mg
Reports span 0 to ≥ 5 mg (open-ended top bucket)
Anonymized self-reports from PeptIQ users — not prescribing guidance. Buckets group similar logged amounts; open-ended top buckets mean “at least” that dose.
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
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 0% · Mixed 100% · Unfavorable overall 0%
Benefits users selected when logging a favorable or mixed check-in.
Side effects are logged separately from overall experience. A favorable check-in can still include nausea, fatigue, or injection-site reactions.
Median bucket: 0–25 mcg · Most common: 0–25 mcg
Reports cluster around 0–25 mcg
Anonymized self-reports from PeptIQ users — not prescribing guidance. Buckets group similar logged amounts; open-ended top buckets mean “at least” that dose.
Published sources linked on the Retatrutide and SNAP-8 wiki pages.
PubMed
Rosenstock J, Frias J, Jastreboff AM, et al. Lancet. 2023
PubMed
Jastreboff AM, Kaplan LM, Frias JP, et al. N Engl J Med. 2023
ClinicalTrials.gov
ClinicalTrials.gov. Clinical trial registry. 2024
ClinicalTrials.gov
ClinicalTrials.gov. Clinical trial registry. 2024
PubMed
Jastreboff AM, Kaplan LM, Frías JP, et al. The New England journal of medicine. 2023
PubMed
Katsi V, Koutsopoulos G, Fragoulis C, et al. Biomolecules. 2025
PubMed
Raikou V, Varvaresou A, Panderi I, et al. J Cosmet Dermatol. 2009
PubMed
Solá P, Mereu E, Bonjoch J, et al. Nature aging. 2023
PubMed
Shook BA, Wasko RR, Rivera-Gonzalez GC, et al. Science (New York, N.Y.). 2018