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Cagrilintide vs Selank

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.
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Cagrilintide

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 98% · Mixed 2% · Unfavorable overall 0%

Most reported benefits

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

Appetite
139

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
1
Digestive upset
1
Injection site irritation
1

Self-reported dose per injection

Median bucket: 2+ mg · Most common: 2+ mg

Reports span 0 to ≥ 2 mg (open-ended top bucket)

0–0.025 mg
41
0.2–0.4 mg
9
0.4–0.6 mg
2
0.6–1 mg
3
1–2 mg
1
2+ mg
83

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: 142 days · Based on 23 repeat reporters

Selank

57 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 3% · Mixed 97% · Unfavorable overall 0%

Most reported benefits

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

Mood
184
Recovery
184

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.

Injection site irritation
94
Fatigue
85

Self-reported dose per injection

Median bucket: 0.2–0.4 mg · Most common: 0.2–0.4 mg

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

0.1–0.2 mg
3
0.2–0.4 mg
96
0.4–0.6 mg
76
0.6–1 mg
5
1–2 mg
2
5+ mg
2

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, 86% said they felt similar to their last entry, 14% more positive, and 0% more negative.

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

Median gap between entries: 54 days · Based on 35 repeat reporters

Sources (10)

Published sources linked on the Cagrilintide and Selank wiki pages.

  1. PubMed

    Cagrilintide, a long-acting amylin analogue, for the treatment of obesity

    Lau DCW, Erondu N, Skovgaard D, et al. Lancet. 2022

    Source
    Wiki study page →

  2. ClinicalTrials.gov

    Cagrilintide obesity studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →

  3. PubMed

    Cagrilintide: A Long-Acting Amylin Analog for the Treatment of Obesity

    D'Ascanio AM, Mullally JA, Frishman WH. Cardiology in review. 2024

    Source
    Wiki study page →

  4. PubMed

    Coadministered Cagrilintide and Semaglutide in Adults with Overweight or Obesity

    Garvey WT, Blüher M, Osorto Contreras CK, et al. The New England journal of medicine. 2025

    Source
    Wiki study page →

  5. PubMed

    Selank and short peptides regulate expression of inflammatory genes

    Ershov FI, Uchakin PN, Ershova OV. Bull Exp Biol Med. 2017

    Source
    Wiki study page →

  6. PubMed

    Selank, a tuftsin analogue, demonstrates anxiolytic activity

    Seredenin SB, Kozlovskaya MM. Bull Exp Biol Med. 2008

    Source
    Wiki study page →

  9. PubMed

    Functional Connectomic Approach to Studying Selank and Semax Effects

    Panikratova YR, Lebedeva IS, Sokolov OY, et al. Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections. 2020

    Source
    Wiki study page →

  10. PubMed

    Selank, a Peptide Analog of Tuftsin, Attenuates Aversive Signs of Morphine Withdrawal in Rats

    Konstantinopolsky MA, Chernyakova IV, Kolik LG. Bulletin of experimental biology and medicine. 2022

    Source
    Wiki study page →

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