Sale!
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SerenQ LL-37 6mg Peptide Pen

Original price was: £85.00.Current price is: £60.00.

@import url(‘https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap’);

/* ———- TOKENS ———- */
.sqx{
–sq-ink:#002a41;
–sq-navy:#1b447d;
–sq-blue:#0583c6;
–sq-teal:#00aabc;
–sq-mint:#70c9cc;
–sq-paper:#f2f8fb;
–sq-line:#d8e6ef;
–sq-amber:#e8a33d;
–sq-radius:16px;

–sq-font:”Inter”,system-ui,-apple-system,”Segoe UI”,Roboto,”Helvetica Neue”,Arial,sans-serif;

font-family:var(–sq-font);
color:var(–sq-ink);
line-height:1.65;
font-size:16px;
max-width:100%;
overflow:hidden;
-webkit-font-smoothing:antialiased;
}
.sqx *{box-sizing:border-box;font-family:var(–sq-font);}
.sqx p{margin:0 0 1em;color:#31536a;}
.sqx strong{color:var(–sq-ink);font-weight:700;}
.sqx ul{margin:0 0 1em;padding:0;list-style:none;}

/* ———- SHARED BITS ———- */
.sqx .sq-eyebrow{
text-transform:uppercase;
letter-spacing:.18em;
font-size:11.5px;
font-weight:600;
color:var(–sq-teal);
margin:0 0 10px;
display:block;
}
.sqx h2.sq-h{
text-transform:uppercase;
letter-spacing:-.01em;
font-weight:800;
font-size:clamp(22px,5.2vw,30px);
line-height:1.12;
color:var(–sq-ink);
margin:0 0 16px;
}
.sqx h3.sq-h3{
text-transform:uppercase;
letter-spacing:.05em;
font-weight:700;
font-size:clamp(15px,3.9vw,18px);
color:var(–sq-navy);
margin:26px 0 10px;
}
.sqx .sq-sec{padding:34px 20px;}
.sqx .sq-inner{max-width:820px;margin:0 auto;}

/* ———- HERO ———- */
.sqx .sq-hero{
position:relative;
overflow:hidden;
border-radius:var(–sq-radius);
background:
radial-gradient(120% 140% at 88% 0%, rgba(112,201,204,.28) 0%, rgba(112,201,204,0) 55%),
linear-gradient(160deg,#ffffff 0%,#eef7fb 48%,#e2f0f7 100%);
border:1px solid var(–sq-line);
padding:36px 22px 30px;
text-align:center;
}
/* rotating emblem watermark */
.sqx .sq-mark{
position:absolute;
right:-46px;top:-40px;
width:230px;height:230px;
opacity:.10;
pointer-events:none;
transform-origin:center;
animation:sq-grow 15s ease-in-out infinite;
}
.sqx .sq-mark svg{width:100%;height:100%;display:block;}
@keyframes sq-grow{
0%,100%{transform:scale(1);}
50%{transform:scale(1.14);}
}

/* DNA strand watermark, masked so it always paints in brand colours */
.sqx .sq-dna{display:none;}
@supports ((-webkit-mask-image:url(“#a”)) or (mask-image:url(“#a”))){
.sqx .sq-dna{
display:block;
position:absolute;
left:-58px;top:50%;
width:190px;height:430px;
transform:translateY(-50%) rotate(-8deg);
pointer-events:none;
opacity:.13;
background:linear-gradient(170deg,var(–sq-mint) 0%,var(–sq-blue) 55%,var(–sq-navy) 100%);
-webkit-mask-image:url(“https://thepedshop.to/shoptimizer/wp-content/uploads/2026/07/dna_8773018.svg”);
mask-image:url(“https://thepedshop.to/shoptimizer/wp-content/uploads/2026/07/dna_8773018.svg”);
-webkit-mask-size:contain;mask-size:contain;
-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
-webkit-mask-position:center;mask-position:center;
animation:sq-drift 14s ease-in-out infinite;
}
.sqx .sq-dna.sq-dna-r{
left:auto;right:-58px;top:auto;bottom:-120px;
transform:rotate(172deg);
width:150px;height:340px;
opacity:.09;
animation-delay:-7s;
}
}
@keyframes sq-drift{
0%,100%{background-position:0 0;}
50%{background-position:0 22px;}
}

.sqx .sq-logo{
width:min(250px,64vw);
height:auto;
display:block;
margin:0 auto 18px;
position:relative;z-index:2;
overflow:visible;
}
/* logo paint */
.sqx .sqL1{fill:url(#sqLg2);}
.sqx .sqL2{fill:#1b447d;}
.sqx .sqL3{fill:#002a41;}
.sqx .sqL4{fill:url(#sqLg3);}
.sqx .sqL5{fill:url(#sqLg1);}

/* logo draw-in: outline is stroked first, then the fill inks in behind it */
.sqx.sq-js .sq-dq,
.sqx.sq-js .sq-dw{
fill-opacity:0;
stroke-width:.45;
stroke-linecap:round;
stroke-linejoin:round;
stroke-dasharray:1;
stroke-dashoffset:1;
stroke-opacity:1;
}
.sqx.sq-js .sq-dq{stroke:#0583c6;}
.sqx.sq-js .sq-dw{stroke:#1b447d;}
.sqx.sq-js .sq-ds{
opacity:0;
transform:translateX(-6px);
transform-box:fill-box;
transform-origin:left center;
}
.sqx.sq-js .sq-rev.sq-in .sq-dq,
.sqx.sq-js .sq-rev.sq-in .sq-dw{
animation:sq-line 1.05s cubic-bezier(.62,.02,.36,1) forwards,
sq-ink .55s ease forwards;
animation-delay:var(–d,0s), calc(var(–d,0s) + .58s);
}
.sqx.sq-js .sq-rev.sq-in .sq-ds{
animation:sq-subtext .75s cubic-bezier(.2,.7,.3,1) forwards;
animation-delay:1.42s;
}
@keyframes sq-line{to{stroke-dashoffset:0;}}
@keyframes sq-ink{to{fill-opacity:1;stroke-opacity:0;}}
@keyframes sq-subtext{to{opacity:1;transform:none;}}
.sqx .sq-badge{
display:inline-flex;align-items:center;gap:8px;
background:#fff;
border:1px solid var(–sq-mint);
color:var(–sq-navy);
text-transform:uppercase;
letter-spacing:.14em;
font-size:11px;font-weight:600;
padding:7px 14px;border-radius:999px;
margin-bottom:16px;
position:relative;z-index:2;
box-shadow:0 2px 10px rgba(0,42,65,.06);
}
.sqx .sq-dot{
width:7px;height:7px;border-radius:50%;
background:var(–sq-teal);
box-shadow:0 0 0 0 rgba(0,170,188,.6);
animation:sq-pulse 2.2s infinite;
}
@keyframes sq-pulse{
70%{box-shadow:0 0 0 9px rgba(0,170,188,0);}
100%{box-shadow:0 0 0 0 rgba(0,170,188,0);}
}
.sqx .sq-hero p{
position:relative;z-index:2;
max-width:560px;margin:0 auto 14px;
font-size:clamp(15px,3.8vw,16.5px);
}
.sqx .sq-hero .sq-lead{
letter-spacing:-.02em;
font-weight:800;
font-size:clamp(21px,5.4vw,30px);
line-height:1.18;
color:var(–sq-ink);
margin-bottom:14px;
}
.sqx .sq-rule{
height:4px;width:100%;border-radius:4px;
background:linear-gradient(90deg,var(–sq-mint),var(–sq-teal),var(–sq-blue),var(–sq-navy));
background-size:220% 100%;
animation:sq-sweep 6s ease-in-out infinite;
margin:22px 0 0;
position:relative;z-index:2;
}
@keyframes sq-sweep{0%,100%{background-position:0% 0;}50%{background-position:100% 0;}}

/* ———- PRODUCT LABEL BAND (signature) ———- */
.sqx .sq-label{
margin:26px 0 0;
border-radius:var(–sq-radius);
overflow:hidden;
border:1px solid var(–sq-line);
background:#fff;
box-shadow:0 10px 30px rgba(0,42,65,.07);
}
.sqx .sq-label-band{
background:linear-gradient(100deg,var(–sq-navy) 0%,#123a6d 55%,var(–sq-ink) 100%);
color:#fff;
padding:20px 20px 18px;
position:relative;overflow:hidden;
}
.sqx .sq-label-band > *:not(.sq-band-dna){position:relative;z-index:1;}
.sqx .sq-band-dna{display:none;z-index:0;}
@supports ((-webkit-mask-image:url(“#a”)) or (mask-image:url(“#a”))){
.sqx .sq-band-dna{
display:block;
position:absolute;
left:-12%;top:50%;
width:124%;height:auto;
aspect-ratio:1;
transform:translateY(-50%);
pointer-events:none;
opacity:.17;
background:
linear-gradient(112deg,rgba(255,255,255,0) 38%,rgba(255,255,255,.92) 50%,rgba(255,255,255,0) 62%),
linear-gradient(38deg,#0583c6 0%,#70c9cc 50%,#9fe0e2 100%);
background-size:240% 100%,100% 100%;
background-position:-70% 0,0 0;
background-repeat:no-repeat;
-webkit-mask-image:url(“https://thepedshop.to/shoptimizer/wp-content/uploads/2026/07/dna_8773018.svg”);
mask-image:url(“https://thepedshop.to/shoptimizer/wp-content/uploads/2026/07/dna_8773018.svg”);
-webkit-mask-size:contain;mask-size:contain;
-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
-webkit-mask-position:center;mask-position:center;
animation:sq-strand-shine 5.5s ease-in-out infinite;
}
}
@keyframes sq-strand-shine{
0%{background-position:-70% 0,0 0;}
55%,100%{background-position:190% 0,0 0;}
}
.sqx .sq-name{
font-size:clamp(34px,9.4vw,52px);
line-height:1;
font-weight:800;
letter-spacing:-.02em;
margin:0;
text-transform:uppercase;
}
.sqx .sq-sub{
display:block;
text-transform:uppercase;
letter-spacing:.18em;
font-size:11px;
font-weight:600;
color:var(–sq-mint);
margin:6px 0 0;
}
.sqx .sq-label-band .sq-sub:first-child{margin:0 0 8px;}
.sqx .sq-chip{
display:inline-block;
background:linear-gradient(90deg,var(–sq-mint),var(–sq-teal));
color:#00303c;
font-weight:700;
font-size:17px;
letter-spacing:.01em;
padding:5px 18px;
border-radius:999px;
margin-top:14px;
}

/* spec grid */
.sqx .sq-specs{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
gap:1px;
background:var(–sq-line);
}
.sqx .sq-spec{
background:#fff;
padding:16px 14px;
transition:background .25s ease;
}
.sqx .sq-spec:hover{background:var(–sq-paper);}
.sqx .sq-spec .k{
text-transform:uppercase;
letter-spacing:.13em;
font-size:10px;
font-weight:600;
color:#6d8ea3;
display:block;
margin-bottom:4px;
}
.sqx .sq-spec .v{
font-size:17px;
font-weight:700;
color:var(–sq-ink);
letter-spacing:-.01em;
}

/* ———- CARDS ———- */
.sqx .sq-card{
border:1px solid var(–sq-line);
border-radius:var(–sq-radius);
background:#fff;
padding:24px 20px;
margin:26px 0 0;
position:relative;
overflow:hidden;
}
.sqx .sq-card.sq-tint{
background:linear-gradient(160deg,#ffffff 0%,var(–sq-paper) 100%);
}
.sqx .sq-card-top{
display:flex;align-items:center;gap:12px;
margin-bottom:14px;
}
.sqx .sq-icon{
flex:0 0 auto;
width:46px;height:46px;border-radius:13px;
display:flex;align-items:center;justify-content:center;
background:#fff;
border:1px solid var(–sq-line);
box-shadow:0 2px 8px rgba(0,42,65,.05);
transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease;
}
.sqx .sq-icon svg{width:23px;height:23px;display:block;}
.sqx .sq-card:hover .sq-icon{transform:translateY(-2px) rotate(-6deg);box-shadow:0 6px 16px rgba(0,42,65,.10);}
.sqx .sq-icon-a{background:linear-gradient(150deg,#f0fbfb,#e2f5f6);border-color:#bfe8ea;}
.sqx .sq-icon-b{background:linear-gradient(150deg,#eef8fd,#dcf0fa);border-color:#b6dff2;}
.sqx .sq-icon-c{background:linear-gradient(150deg,#eef3fb,#dde7f6);border-color:#bccfe8;}
.sqx .sq-card-top h3{
text-transform:uppercase;
letter-spacing:.04em;
font-weight:800;
font-size:clamp(16px,4.2vw,20px);
margin:0;color:var(–sq-ink);
}

/* status pill */
.sqx .sq-status{
display:inline-flex;align-items:center;gap:8px;
background:#fff8ec;border:1px solid #f0d9ae;
color:#8a6116;
text-transform:uppercase;letter-spacing:.13em;
font-size:10.5px;font-weight:600;
padding:6px 13px;border-radius:999px;
margin-bottom:12px;
}
.sqx .sq-status .sq-dot{background:var(–sq-amber);box-shadow:0 0 0 0 rgba(232,163,61,.6);animation:sq-pulseA 2.2s infinite;}
@keyframes sq-pulseA{70%{box-shadow:0 0 0 9px rgba(232,163,61,0);}100%{box-shadow:0 0 0 0 rgba(232,163,61,0);}}

/* lab strip */
.sqx .sq-lab{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
gap:10px;margin-top:16px;
}
.sqx .sq-lab div{
background:#fff;border:1px solid var(–sq-line);
border-radius:12px;padding:13px 14px;
}
.sqx .sq-lab .k{
text-transform:uppercase;
letter-spacing:.13em;font-size:10px;font-weight:600;
color:#6d8ea3;display:block;margin-bottom:2px;
}
.sqx .sq-lab .v{font-weight:700;font-size:15px;color:var(–sq-ink);}

/* feature list */
.sqx .sq-list li{
position:relative;
padding:9px 0 9px 30px;
border-bottom:1px solid var(–sq-line);
color:#31536a;
font-size:15.5px;
}
.sqx .sq-list li:last-child{border-bottom:0;}
.sqx .sq-list li:before{
content:””;position:absolute;left:4px;top:17px;
width:9px;height:9px;border-radius:50%;
background:linear-gradient(140deg,var(–sq-mint),var(–sq-blue));
}

/* research notes */
.sqx .sq-note{
border-left:3px solid var(–sq-teal);
background:var(–sq-paper);
padding:14px 16px;
border-radius:0 12px 12px 0;
margin:18px 0;
font-size:15px;
color:#31536a;
}

/* ———- DISCLAIMER ———- */
.sqx .sq-disc{
margin:30px 0 0;
border-radius:var(–sq-radius);
background:linear-gradient(160deg,var(–sq-ink) 0%,#013b58 100%);
color:#c6dfeb;
padding:26px 20px;
position:relative;overflow:hidden;
}
.sqx .sq-disc h3{
text-transform:uppercase;letter-spacing:.12em;
font-weight:700;
font-size:14px;color:#fff;margin:0 0 12px;
display:flex;align-items:center;gap:9px;
}
.sqx .sq-disc p{color:#b7d5e4;font-size:14px;line-height:1.7;margin:0 0 10px;}
.sqx .sq-disc p:last-child{margin:0;}
.sqx .sq-disc strong{color:#fff;}
.sqx .sq-disc .sq-mark{opacity:.07;right:-60px;top:auto;bottom:-70px;}
.sqx .sq-disc .sq-mark svg path{fill:#fff;}

/* ———- VERIFY CTA ———- */
.sqx .sq-verify{
display:flex;align-items:center;gap:14px;
margin:18px 0 0;
padding:15px 17px;
border-radius:13px;
text-decoration:none;
color:var(–sq-ink);
background:linear-gradient(160deg,#ffffff 0%,var(–sq-paper) 100%);
border:1px solid var(–sq-line);
box-shadow:0 2px 8px rgba(0,42,65,.05);
transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.sqx .sq-verify:hover{
transform:translateY(-2px);
border-color:#b6dff2;
box-shadow:0 8px 20px rgba(0,42,65,.10);
}
.sqx .sq-verify-lead{
display:block;
font-size:14.5px;
line-height:1.5;
color:#31536a;
}
.sqx .sq-verify-url{
display:block;
margin-top:3px;
font-weight:800;
font-size:clamp(15px,4vw,17px);
letter-spacing:.01em;
color:var(–sq-blue);
}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
.sqx .sq-verify-url{
background:linear-gradient(120deg,var(–sq-teal),var(–sq-blue));
-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;
}
}
.sqx .sq-verify-go{
flex:0 0 auto;margin-left:auto;
width:34px;height:34px;border-radius:50%;
display:flex;align-items:center;justify-content:center;
background:linear-gradient(140deg,var(–sq-mint),var(–sq-blue));
color:#fff;line-height:1;
transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.sqx .sq-verify-go svg{width:15px;height:15px;display:block;}
.sqx .sq-verify:hover .sq-verify-go{transform:translateX(3px);}
@media (max-width:600px){
.sqx .sq-verify{padding:13px 14px;gap:10px;}
.sqx .sq-verify-go{width:30px;height:30px;}
.sqx .sq-verify-go svg{width:14px;height:14px;}
}

/* ———- DOSING MATRIX ———- */
.sqx .sq-dose{
margin:26px 0 0;
border:1px solid var(–sq-line);
border-radius:var(–sq-radius);
background:#fff;
overflow:hidden;
box-shadow:0 10px 30px rgba(0,42,65,.07);
}
.sqx .sq-dose-head{
background:linear-gradient(100deg,var(–sq-navy) 0%,#123a6d 55%,var(–sq-ink) 100%);
color:#fff;padding:20px;
}
.sqx .sq-dose-head h3{
margin:0;text-transform:uppercase;letter-spacing:.04em;
font-weight:800;font-size:clamp(16px,4.2vw,20px);color:#fff;
}
.sqx .sq-dose-head .sq-dose-sub{
display:block;margin-top:6px;
text-transform:uppercase;letter-spacing:.16em;
font-size:10.5px;font-weight:600;color:var(–sq-mint);
}
.sqx .sq-dose-tiles{
display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));
gap:1px;background:var(–sq-line);
}
.sqx .sq-tile{background:#fff;padding:16px 15px;}
.sqx .sq-tile .k{
text-transform:uppercase;letter-spacing:.13em;
font-size:10px;font-weight:700;display:block;margin-bottom:6px;
}
.sqx .sq-tile-a .k{color:var(–sq-teal);}
.sqx .sq-tile-b .k{color:#4aa36b;}
.sqx .sq-tile-c .k{color:var(–sq-blue);}
.sqx .sq-tile-d .k{color:var(–sq-amber);}
.sqx .sq-tile .big{
display:block;font-size:clamp(20px,5vw,25px);font-weight:800;
color:var(–sq-ink);letter-spacing:-.02em;line-height:1.15;
}
.sqx .sq-tile .sub{display:block;font-size:12.5px;color:#6d8ea3;margin-top:4px;line-height:1.45;}
.sqx .sq-tile .row{
display:flex;justify-content:space-between;gap:12px;
font-size:13.5px;padding:2.5px 0;
}
.sqx .sq-tile .row span:first-child{color:#31536a;}
.sqx .sq-tile .row span:last-child{font-weight:700;color:var(–sq-ink);white-space:nowrap;}
.sqx .sq-dose-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.sqx table.sq-matrix{
width:100%;border-collapse:collapse;min-width:540px;font-size:14.5px;
}
.sqx .sq-matrix caption{
caption-side:top;text-align:left;
padding:14px 16px 0;
text-transform:uppercase;letter-spacing:.14em;
font-size:10.5px;font-weight:700;color:var(–sq-teal);
}
.sqx .sq-matrix thead th{
background:var(–sq-paper);color:var(–sq-navy);
text-transform:uppercase;letter-spacing:.09em;
font-size:10.5px;font-weight:700;
padding:12px 10px;text-align:center;white-space:nowrap;
border-bottom:2px solid var(–sq-line);
}
.sqx .sq-matrix tbody td{
padding:10px;text-align:center;color:#31536a;
border-bottom:1px solid #eaf2f7;white-space:nowrap;
}
.sqx .sq-matrix tbody tr:nth-child(even) td{background:#fbfdfe;}
.sqx .sq-matrix tbody tr:hover td{background:var(–sq-paper);}
.sqx .sq-matrix td:first-child{font-weight:700;color:var(–sq-ink);}
.sqx .sq-matrix tr.sq-hi td{
background:linear-gradient(90deg,rgba(112,201,204,.20),rgba(5,131,198,.11));
font-weight:700;color:var(–sq-ink);
}
.sqx .sq-matrix tr.sq-hi td:first-child{box-shadow:inset 3px 0 0 var(–sq-teal);}
.sqx .sq-matrix tr.sq-dots td{color:#9db6c6;letter-spacing:.35em;padding:6px 10px;}
.sqx .sq-matrix tr.sq-total td{
background:var(–sq-paper);font-weight:700;color:var(–sq-ink);
border-top:2px solid var(–sq-line);border-bottom:none;
}
.sqx .sq-key{
display:flex;gap:14px;align-items:flex-start;
padding:17px 18px;
background:linear-gradient(160deg,#ffffff 0%,var(–sq-paper) 100%);
border-top:1px solid var(–sq-line);
}
.sqx .sq-key-ic{
flex:0 0 auto;width:34px;height:34px;border-radius:10px;
display:flex;align-items:center;justify-content:center;
background:linear-gradient(140deg,var(–sq-mint),var(–sq-blue));color:#fff;
}
.sqx .sq-key-ic svg{width:17px;height:17px;display:block;}
.sqx .sq-key .k{
display:block;text-transform:uppercase;letter-spacing:.14em;
font-size:10px;font-weight:700;color:var(–sq-blue);margin-bottom:4px;
}
.sqx .sq-key .v{display:block;font-size:15px;color:#31536a;line-height:1.6;}
.sqx .sq-key .v strong{color:var(–sq-ink);}
.sqx .sq-dose-foot{
padding:12px 18px 15px;font-size:12.5px;color:#6d8ea3;
border-top:1px solid var(–sq-line);
}
@media (max-width:600px){
.sqx .sq-dose-head{padding:16px;}
.sqx .sq-tile{padding:14px 13px;}
.sqx table.sq-matrix{font-size:13.5px;}
.sqx .sq-matrix tbody td{padding:9px 8px;}
}

/* ———- REVEAL ———- */
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UK Launch · The Ped Shop Exclusive

A new name in research peptides, landing in the UK

SerenQ Pharmaceuticals builds research peptides into sealed, pre-filled injection pens rather than lyophilised vials. No reconstitution, no bacteriostatic water, no guesswork with a syringe barrel. Dial the units you need, read them off the window, done.

SerenQ has appointed The Ped Shop as its exclusive UK stockist. Every pen sold here comes direct from the manufacturer, in sealed retail cartons, with a unique serial number and QR authenticity code on the label.

SerenQ Pharmaceuticals

LL-37

Peptide Injection Pen System

6mg
ContentLL-37 6mg
Dial graduation10u = 200mcg
Per unit20mcg
Total units300u
FormatPre-filled pen
Pen tips32G 0.23 x 4mm
Expiry12/2027
AuthenticityQR + serial

Composition & Dosing Guide

LL-37 6mg · 3 ml pen · 300 units

Total volume
3 ml
Total liquid in the pen
Total contents
6 mg
LL-37 in the pen
Dosing scale
0.01 ml = 1 unit
Each unit on the pen dial equals 0.01 ml
Concentration
2.00 mg/ml
LL-37 per millilitre
Dosing examples
Units Volume (ml) LL-37 (mg)
2 units 0.02 ml 0.04 mg
4 units 0.04 ml 0.08 mg
6 units 0.06 ml 0.12 mg
8 units 0.08 ml 0.16 mg
10 units 0.10 ml 0.20 mg
12 units 0.12 ml 0.24 mg
14 units 0.14 ml 0.28 mg
16 units 0.16 ml 0.32 mg
18 units 0.18 ml 0.36 mg
20 units 0.20 ml 0.40 mg
300 units 3.00 ml (full pen) 6.00 mg (total)
Key example
10 units = 0.10 ml, the pen’s dial graduation, containing 0.20 mg LL-37.
Figures are the pen’s stated contents divided across its 300 units. For research purposes only. Not for human consumption.

Third Party Testing

Results pending

Every SerenQ batch is sent for independent analysis before it goes on general sale. Purity and identity testing for this batch is currently with Analiza, and the certificate will be published on this page the moment it lands.

LaboratoryAnaliza
TestPurity & identity
MethodHPLC / MS
StatusAwaiting report

Check back here for the full certificate, or ask us and we will send it over as soon as it is released.

Serialised & QR Verified

Every SerenQ product carries a unique serial number and a QR code printed on the label. Scan it with any phone camera and you can independently confirm the pen is genuine SerenQ stock and check its batch details before you open the carton.

One code per pen. Each one can only be registered once, so a duplicate scan is an immediate red flag.



You can verify your SerenQ authenticity and view the latest HPLC at
auth.seren-q.com


About LL-37

LL-37 is the only human cathelicidin, a 37 amino acid antimicrobial peptide cleaved from the precursor protein hCAP18. It is produced by neutrophils, epithelial cells and keratinocytes, and forms part of the innate immune system: the fast, non-specific defence layer that acts before adaptive immunity has identified anything.

Its primary described action is direct membrane disruption of bacteria, which is a mechanical rather than a biochemical kill and is the reason resistance to it is uncommon. Beyond that, the research literature describes it as immunomodulatory rather than simply antimicrobial: it influences chemotaxis, neutralises bacterial endotoxin, and appears in work on wound closure and angiogenesis.

It has a genuinely two sided profile, and this is worth understanding before choosing it. The same peptide that closes wounds is implicated in the pathology of rosacea and psoriasis, where excess LL-37 in the skin drives inflammation rather than resolving it. It is not a compound where more is straightforwardly better.

Where the evidence sits: LL-37 is well characterised as an endogenous human peptide and there is a substantial basic science literature on it. Clinical work using it as an administered therapeutic is early stage and narrow, mostly topical and in specific wound types. Its implicated role in inflammatory skin disease is documented. It holds no medicines licence.

The pen format

Doses in the LL-37 literature are small relative to the pen, which is exactly the case where a 20mcg dial step earns its keep. 6mg across 300 units gives fine control at the low end.

  • 6.00mg of LL-37 per pen, in solution and ready to use
  • 1 unit = 20mcg. 10 units on the dial gives 200mcg
  • 300 units in total, which works out at 30 full 200mcg draws per pen
  • Dial and dose window let you set the exact amount and read it back before dispensing
  • 4 screw on pen tips supplied, individually sealed, 32G 0.23 x 4mm
  • Protective cap, clip and a rigid retail carton for storage and transport
  • Batch number, expiry and serial printed directly on the pen barrel, not just the box

Handling and storage

  • Store refrigerated at 2 to 8°C. Do not freeze
  • Keep in the outer carton, away from direct light
  • Short periods at room temperature during transit are expected and normal
  • Use a fresh sealed tip for each dispense and dispose of tips in a sharps container
  • Expiry 12/2027 on sealed, correctly stored stock
  • Keep out of reach of children and animals

What is in the box

  • 1 × SerenQ LL-37 6mg pre-filled injection pen
  • 4 × sealed pen tips, 32G 0.23 x 4mm
  • Serialised, QR coded retail carton

Choosing between LL-37, Thymosin Alpha-1 and KPV

These three get filed together as immune peptides and they do quite different things. LL-37 is innate immunity: direct antimicrobial action plus modulation of the inflammatory response. Thymosin Alpha-1 works on the adaptive side, on T cell maturation and dendritic cell function, and has by far the strongest clinical record of the three, including licensed use in several countries.

KPV is the tripeptide tail of alpha-MSH and is purely anti-inflammatory, with no antimicrobial activity at all. Where LL-37 can push inflammation in either direction depending on context, KPV only damps it, which makes it the more predictable choice when suppression is the goal.

Guides that go deeper:

For research purposes only

This product is sold strictly as a laboratory research chemical. It is not a medicine, not a supplement and not a cosmetic. It is not for human or veterinary consumption, and it is not intended to diagnose, treat, cure or prevent any disease or condition.

LL-37 is not licensed as a medicinal product by the MHRA, the FDA or any other regulator. Nothing on this page should be read as medical advice, a recommendation, or a suggestion of use in humans or animals.

By purchasing you confirm you are 18 or over, that you are acquiring this product for legitimate laboratory research or analytical use only, and that you accept full responsibility for its safe handling, storage and lawful use under the regulations that apply where you are.

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