Compare

PT-141 vs Retatrutide

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.

Observational reporting only — not medical advice. Does not recommend doses, protocols, or treatments.

PT-141

29 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 4% · Mixed 3% · Unfavorable overall 93%

Most reported benefits

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

Libido
115
Mood
2

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
38
Headache
37
Injection site irritation
35

Self-reported dose per injection

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

Reports span 0.1 to ≥ 5 mg (open-ended top bucket)

0.1–0.2 mg
1
0.2–0.4 mg
2
0.4–0.6 mg
9
0.6–1 mg
3
1–2 mg
9
2–3 mg
90
5+ mg
1

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, 87% said they felt similar to their last entry, 13% more positive, and 0% more negative.

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

Median gap between entries: 100 days · Based on 23 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

Sources (11)

Published sources linked on the PT-141 and Retatrutide wiki pages.

  1. FDA Drug Label

    VYLEESI (bremelanotide injection) for subcutaneous use - Prescribing Information

    AMAG Pharmaceuticals. FDA Drug Label. 2019

    Source
    Wiki study page →
  2. PubMed

    Bremelanotide: New Drug for Treating Hypoactive Sexual Desire Disorder

    Kingsberg SA, Clayton AH, Portman D, et al. Obstet Gynecol. 2019

    Source
    Wiki study page →
  3. ClinicalTrials.gov

    Bremelanotide (PT-141) studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →
  4. PubMed

    Hypoactive Sexual Desire Disorder in Women: Physiology, Assessment, Diagnosis, and Treatment

    Pettigrew JA, Novick AM. Journal of midwifery & women's health. 2021

    Source
    Wiki study page →
  5. PubMed

    Pharmacologic therapeutic options for sexual dysfunction

    Burton CS, Mishra K. Current opinion in obstetrics & gynecology. 2022

    Source
    Wiki study page →
  6. 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

    Source
    Wiki study page →
  7. PubMed

    Triple-Hormone-Receptor Agonist Retatrutide for Obesity - A Phase 2 Trial

    Jastreboff AM, Kaplan LM, Frias JP, et al. N Engl J Med. 2023

    Source
    Wiki study page →
  8. ClinicalTrials.gov

    Retatrutide obesity studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →
  9. ClinicalTrials.gov

    Retatrutide studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →
  10. PubMed

    Triple-Hormone-Receptor Agonist Retatrutide for Obesity - A Phase 2 Trial

    Jastreboff AM, Kaplan LM, Frías JP, et al. The New England journal of medicine. 2023

    Source
    Wiki study page →
  11. PubMed

    Retatrutide-A Game Changer in Obesity Pharmacotherapy

    Katsi V, Koutsopoulos G, Fragoulis C, et al. Biomolecules. 2025

    Source
    Wiki study page →