Compare

Cerebrolysin 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.

Cerebrolysin

6 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 100% · Mixed 0% · Unfavorable overall 0%

Most reported benefits

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

Cognition
6

Self-reported dose per injection

Median bucket: 0–25 mcg · Most common: 0–25 mcg

Reports span 0–50 mcg

0–25
4
25–50
2

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

Commonly stacked with

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 (9)

Published sources linked on the Cerebrolysin and Retatrutide wiki pages.

  1. PubMed

    Cerebrolysin for acute ischemic stroke (review)

    Chen N, Yang M, Guo J, et al. Cochrane Database Syst Rev. 2017

    Source
    Wiki study page →
  2. PubMed

    Cerebrolysin for acute ischaemic stroke

    Ziganshina LE, Abakumova T, Nurkhametova D, et al. The Cochrane database of systematic reviews. 2023

    Source
    Wiki study page →
  3. PubMed

    Cerebrolysin for acute ischaemic stroke

    Ziganshina LE, Abakumova T, Vernay L. The Cochrane database of systematic reviews. 2017

    Source
    Wiki study page →
  4. 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 →
  5. 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 →
  6. ClinicalTrials.gov

    Retatrutide obesity studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →
  7. ClinicalTrials.gov

    Retatrutide studies on ClinicalTrials.gov

    ClinicalTrials.gov. Clinical trial registry. 2024

    Source
    Wiki study page →
  8. 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 →
  9. PubMed

    Retatrutide-A Game Changer in Obesity Pharmacotherapy

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

    Source
    Wiki study page →