PubMed
Des(1-3)IGF-I: a truncated form of insulin-like growth factor-I
Ballard FJ, Wallace JC, Francis GL, et al. Int J Biochem Cell Biol. 1996
Compare
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 51% · Mixed 32% · Unfavorable overall 17%
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: 0.4–0.6 mg · Most common: 0.2–0.4 mg
Reports span 0.05–2 mg
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, 61% said they felt similar to their last entry, 43% more positive, and 21% more negative.
Overall, repeat reporters leaned more positive than their previous entry.
Median gap between entries: 23 days · Based on 514 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 17% · Unfavorable overall 83%
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 IGF-1 DES and Pentosan Polysulfate wiki pages.
PubMed
Ballard FJ, Wallace JC, Francis GL, et al. Int J Biochem Cell Biol. 1996
PubMed
Gillespie C, Read LC, Bagley CJ, et al. J Endocrinol. 1990
PubMed
Walton PE, Dunshea FR, Ballard FJ. Prog Growth Factor Res. 1995
PubMed
Tomas FM, Walton PE, Dunshea FR, et al. J Endocrinol. 1997
PubMed
Read LC, Tomas FM, Howarth GS, et al. J Endocrinol. 1992
ClinicalTrials.gov
ClinicalTrials.gov. Clinical trial registry. 2024
FDA Drug Label
Janssen Pharmaceuticals. FDA Drug Label. 1996
PubMed
Bannuru RR, Osani MC, Vaysbrot EE, et al. Osteoarthritis Cartilage. 2020
PubMed
Siddiq MAB, Oo WM, Hunter DJ. Joint bone spine. 2024
PubMed
Ghosh P. Seminars in arthritis and rheumatism. 1999