PubMed
Thymosin beta4: a multi-functional regenerative peptide (review)
Goldstein AL, Kleinman HK. Ann N Y Acad Sci. 2012
Compare
TB-500 Fragment vs Wolverine Blend
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.
TB-500 Fragment
26 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.
Recovery
176
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
171
Self-reported dose per injection
Median bucket: 2+ mg · Most common: 2+ mg
Reports span 1 to ≥ 2 mg (open-ended top bucket)
1–2 mg
59
2+ mg
117
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, 79% said they felt similar to their last entry, 21% more positive, and 0% more negative.
Overall, repeat reporters leaned more positive than their previous entry.
Median gap between entries: 188 days · Based on 24 repeat reporters
Wolverine Blend
965 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 59% · Mixed 28% · Unfavorable overall 13%
Most reported benefits
Benefits users selected when logging a favorable or mixed check-in.
Energy
-24
Mood
7
Focus
-57
Sleep quality
3
Lean mass
-57
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.
Dizziness
-108
Fatigue
-93
Nausea
-92
Water retention
-1
Appetite loss
-58
Self-reported dose per injection
Median bucket: 0.2–0.4 mg · Most common: 0.2–0.4 mg
Reports span 0.025–2 mg
0.025–0.05 mg
3
0.05–0.1 mg
14
0.1–0.2 mg
23
0.2–0.4 mg
31
0.4–0.6 mg
25
0.6–1 mg
14
1–2 mg
9
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
Common discussion topics
timing49stacking22side effects25wolverine blend23
How repeat users are trending
Among repeat reporters, 54% said they felt similar to their last entry, 33% more positive, and 19% more negative.
Overall, repeat reporters leaned more positive than their previous entry.
Median gap between entries: 19 days · Based on 212 repeat reporters
Sources (4)
Published sources linked on the TB-500 Fragment and Wolverine Blend wiki pages.
- Wiki study page →Source
- Wiki study page →Source
PubMed
Thymosin beta 4 and wound healing: a multifunctional peptide
Goldstein AL, Kleinman HK. Expert Opin Biol Ther. 2010
- Wiki study page →Source
PubMed
Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance
Mendias CL, Awan TM. Sports medicine (Auckland, N.Z.). 2026
- Wiki study page →Source
PubMed
Stable gastric pentadecapeptide BPC 157: Novel therapy in gastrointestinal tract
Sikiric P, Seiwerth S, Rucman R, et al. Curr Pharm Des. 2018