PubMed
Insulin-like growth factor-I and its binding proteins in sport and exercise medicine
Baxter RC. Endocr Rev. 2011
Compare
IGF-1 LR3 vs Tesamorelin
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.
IGF-1 LR3
30 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 97% · Mixed 3% · Unfavorable overall 0%
Most reported benefits
Benefits users selected when logging a favorable or mixed check-in.
Recovery
171
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.
Water retention
5
Self-reported dose per injection
Median bucket: 50–100 mcg · Most common: 10–25 mcg
Reports span 0–200 mcg
0–10
1
10–25
60
25–50
1
50–100
53
100–200
56
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
How repeat users are trending
Among repeat reporters, 96% said they felt similar to their last entry, 4% more positive, and 0% more negative.
Overall, repeat reporters leaned more positive than their previous entry.
Median gap between entries: 153 days · Based on 28 repeat reporters
Tesamorelin
114 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.
Appetite
224
Sleep
1
Recovery
1
Libido
1
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
113
Water retention
106
Self-reported dose per injection
Median bucket: 1–2 mg · Most common: 1–2 mg
Reports span 0 to ≥ 5 mg (open-ended top bucket)
0–0.01 mg
9
0.1–0.2 mg
1
0.2–0.4 mg
5
0.4–0.6 mg
5
0.6–1 mg
4
1–2 mg
126
2–3 mg
74
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.
Commonly stacked with
How repeat users are trending
Among repeat reporters, 88% said they felt similar to their last entry, 12% more positive, and 0% more negative.
Overall, repeat reporters leaned more positive than their previous entry.
Median gap between entries: 46 days · Based on 41 repeat reporters
Sources (10)
Published sources linked on the IGF-1 LR3 and Tesamorelin wiki pages.
- Wiki study page →Source
- Wiki study page →Source
ClinicalTrials.gov
IGF-1 LR3 studies on ClinicalTrials.gov
ClinicalTrials.gov. Clinical trial registry. 2024
- Wiki study page →Source
PubMed
Intranasal long R3 insulin-like growth factor-1 treatment promotes amyloid plaque remodeling in cerebral cortex but fails to preserve cognitive function in male 5XFAD mice
Engel MG, Narayan S, Cui MH, et al. Journal of Alzheimer's disease : JAD. 2025
- Wiki study page →Source
PubMed
Revolutionary decellularized Alstroemeria stem-based nerve conduit integrated with GelMA and controlled IGF-1 LR3 release for enhanced rat sciatic nerve regeneration
Yavuz E, Sağır MS, Ercan A, et al. International journal of biological macromolecules. 2025
- Wiki study page →Source
FDA Drug Label
EGRIFTA (tesamorelin) for injection - Prescribing Information
Theratechnologies. FDA Drug Label. 2010
- Wiki study page →Source
PubMed
Growth hormone-releasing peptides: clinical applications
Ghigo E, Arvat E, Camanni F. Endocrine. 2008
- Wiki study page →Source
ClinicalTrials.gov
Tesamorelin HIV lipodystrophy studies on ClinicalTrials.gov
ClinicalTrials.gov. Clinical trial registry. 2024
- Wiki study page →Source
FDA Drug Label
EGRIFTA SV (tesamorelin) for injection - Prescribing Information
Theratechnologies. FDA Drug Label. 2019
- Wiki study page →Source
PubMed
Tesamorelin: a growth hormone-releasing factor analogue for HIV-associated lipodystrophy
Spooner LM, Olin JL. The Annals of pharmacotherapy. 2012
- Wiki study page →Source
PubMed
Tesamorelin
2018