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CJC-1295 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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CJC-1295

33 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 96% · Mixed 4% · Unfavorable overall 0%

Most reported benefits

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

Energy
138
Sleep
138

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.

Fatigue
2
Headache
2
Water retention
1

Self-reported dose per injection

Median bucket: 0.4–0.6 mg · Most common: 0.2–0.4 mg

Reports span 0.1–3 mg

0.1–0.2 mg
24
0.2–0.4 mg
39
0.4–0.6 mg
23
1–2 mg
31
2–3 mg
21

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, 92% said they felt similar to their last entry, 8% more positive, and 0% more negative.

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

Median gap between entries: 48 days · Based on 25 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 (9)

Published sources linked on the CJC-1295 and Selank wiki pages.

  1. PubMed

    Prolonged stimulation of growth hormone (GH) secretion after a single administration of CJC-1295

    Teichman SL, Neale A, Lawrence B, et al. J Clin Endocrinol Metab. 2006

    Source
    Wiki study page →

  2. PubMed

    Growth hormone-releasing peptides: clinical applications

    Ghigo E, Arvat E, Camanni F. Endocrine. 2008

    Source
    Wiki study page →

  3. ClinicalTrials.gov

    CJC-1295 growth hormone studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →

  4. 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 →

  5. PubMed

    Selank, a tuftsin analogue, demonstrates anxiolytic activity

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

    Source
    Wiki study page →

  8. 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 →

  9. 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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