PeptideIQ
⚠️Educational purposes only. Not medical advice. Consult a licensed provider before use. Many peptides are research-grade compounds not FDA-approved. Verify legal status in your jurisdiction.

🛡️ Immunity

8 peptides

BPC-157
Body Protection Compound-157

A synthetic peptide derived from human gastric juice protein, widely used for tissue repair and gut health.

PreclinicalCategory 2 Banned
200-250 mcg/day · 4-8 weeks
GHK-Cu
Copper Peptide GHK-Cu

A naturally occurring copper-binding peptide with the broadest independently replicated evidence for skin, tissue repair, and systemic anti-aging.

ModerateResearch Grade
1-2 mg/day · 8-12 weeks
Thymosin α-1
Thymosin Alpha-1

The strongest clinically validated immune-modulating peptide, approved in 30+ countries for viral infections and immune deficiency.

Strong RCTIntl. Approved
0.8-1.6 mg twice weekly · 4-6 weeks
LL-37
LL-37 (Cathelicidin)

A natural antimicrobial peptide that protects against bacterial, viral, and fungal infections while modulating inflammation.

ModerateResearch Grade
100 mcg daily · 4-6 weeks
KPV
Lysine-Proline-Valine (KPV)

A potent anti-inflammatory tripeptide derived from alpha-MSH, effective for gut inflammation and immune over-activation.

PreclinicalResearch Grade
500 mcg daily · 4-8 weeks
Selank
Selank (Tuftsin Analog)

A synthetic analog of the immune peptide tuftsin with anxiolytic and nootropic effects — often called 'anxiety relief without sedation.'

ModerateResearch Grade
250 mcg/day · 4-6 weeks
VIP
Vasoactive Intestinal Peptide

A naturally occurring neuropeptide with potent anti-inflammatory properties, used in CIRS (chronic inflammatory response syndrome) and gut protocols.

ModerateResearch Grade
50 mcg intranasal 2x daily · 4-12 weeks
Thymalin
Thymalin (Thymus Peptide Bioregulator)

A thymus-derived peptide bioregulator that restores immune function in aging — part of the Khavinson protocol with the longest human longevity follow-up data.

ModerateIntl. Approved
5-10 mg/day · 10 days, 2x per year