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≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳
  • 🇺🇸 USA Domestic
  • Warehouses
    • 🇪🇺 EU Domestic
    • 🇬🇧 UK Domestic
    • 🇦🇺 AU Domestic
    • 🇨🇦 CA Domestic
    • 🇨🇳 CH International
  • Compounds
    • Categories
      • Anti-Aging & Longevity
      • Cognitive & Nootropic
      • Cosmetics
      • Performance & Hormone Optimization
      • Recovery & Healing
      • Weight Loss & Metabolic
    • Peptides
      • Peptide Blends
    • Orals
    • Oils
    • Raws
  • Track Order
  • Contact
    • About QSC
    • Certificate of Analysis
    • Price List
    • Reviews
    • FAQ
    • Privacy Policy
    • Return, Refund & Shipping Policy
    • Terms and Conditions
Login / Register
My Account
Login Register

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or sign in with a social network
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A password will be sent to your email address.

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1 Cart $390 1
1 Shopping Cart
Shopping cart (1)
Subtotal: $390

View cartCheckout

FREE standard shipping on all orders.
≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳
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Cortagen 20mg | 20-Vial Kit | AEDP Brain Bioregulator | Neuroprotection & CNS Research

Cortagen 20mg | 20-Vial Kit | AEDP Brain Bioregulator | Neuroprotection & CNS Research

$450
Cortagen 20mg | 20-Vial Kit — AEDP Khavinson tetrapeptide bioregulator — neural tissue bioregulator studied for neuronal gene expression, cortical neuron differentiation, and neuroprotective pathway research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Crystagen 20mg | 10-Vial Kit | Pro-Glu-Asp Immune Bioregulator | T-Cell & B-Cell Research

Crystagen 20mg | 10-Vial Kit | Pro-Glu-Asp Immune Bioregulator | T-Cell & B-Cell Research

$250
Crystagen (Pro-Glu-Asp / PED tripeptide, Khavinson Cytogen AC-5/AC-6 immune bioregulator) 20mg — >=99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Crystagen 20mg | 20-Vial Kit | Pro-Glu-Asp Immune Bioregulator | T-Cell & B-Cell Research

Crystagen 20mg | 20-Vial Kit | Pro-Glu-Asp Immune Bioregulator | T-Cell & B-Cell Research

$450
Crystagen (Pro-Glu-Asp / PED tripeptide, Khavinson Cytogen AC-5/AC-6 immune bioregulator) 20mg — >=99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dapoxetine 30mg Tablets | 100-Count

Dapoxetine 30mg Tablets | 100-Count

$180
QSC Dapoxetine (Short-Acting Selective Serotonin Reuptake Inhibitor (SSRI)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 30mg per tablet, 100-count. Research use only.

Out of stock

Dermorphin 10mg | 10-Vial Kit | Opioid Heptapeptide | High-Dose µ-Receptor Research

Dermorphin 10mg | 10-Vial Kit | Opioid Heptapeptide | High-Dose µ-Receptor Research

$270
Dermorphin 10mg | 10-Vial Kit — D-amino acid opioid heptapeptide — 500× higher μ-opioid receptor (MOR) affinity vs. morphine, studied for MOR pharmacology, receptor selectivity, and opioid peptide structure-activity research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
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Out of stock

Dermorphin 10mg | 20-Vial Kit | Opioid Heptapeptide | High-Dose µ-Receptor Research

Dermorphin 10mg | 20-Vial Kit | Opioid Heptapeptide | High-Dose µ-Receptor Research

$490
Dermorphin 10mg | 20-Vial Kit — D-amino acid opioid heptapeptide — 500× higher μ-opioid receptor (MOR) affinity vs. morphine, studied for MOR pharmacology, receptor selectivity, and opioid peptide structure-activity research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Notify Me
Dermorphin 5mg | 10-Vial Kit | Opioid Heptapeptide | µ-Receptor Research

Dermorphin 5mg | 10-Vial Kit | Opioid Heptapeptide | µ-Receptor Research

$240
Dermorphin 5mg | 10-Vial Kit — D-amino acid opioid heptapeptide — 500× higher μ-opioid receptor (MOR) affinity vs. morphine, studied for MOR pharmacology, receptor selectivity, and opioid peptide structure-activity research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dermorphin 5mg | 20-Vial Kit | Opioid Heptapeptide | µ-Receptor Research

Dermorphin 5mg | 20-Vial Kit | Opioid Heptapeptide | µ-Receptor Research

$430
Dermorphin 5mg | 20-Vial Kit — D-amino acid opioid heptapeptide — 500× higher μ-opioid receptor (MOR) affinity vs. morphine, studied for MOR pharmacology, receptor selectivity, and opioid peptide structure-activity research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
DHB 10mg Tablets | 100-Count | 1-Test Cypionate

DHB 10mg Tablets | 100-Count | 1-Test Cypionate

$180
QSC DHB (1-Testosterone Cypionate) (Dihydroboldenone / 1-Test Oral) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 10mg per tablet, 100-count. Research use only.
Dianabol 10mg Tablets | 100-Count | Methandrostenolone

Dianabol 10mg Tablets | 100-Count | Methandrostenolone

$140
QSC Dianabol (Methandrostenolone (oral anabolic steroid)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dianabol 20mg Tablets | 100-Count | Methandrostenolone

Dianabol 20mg Tablets | 100-Count | Methandrostenolone

$150
QSC Dianabol (Methandrostenolone (oral anabolic steroid)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dianabol 50mg Tablets | 100-Count | Methandrostenolone

Dianabol 50mg Tablets | 100-Count | Methandrostenolone

$160
QSC Dianabol (Methandrostenolone (oral anabolic steroid)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 10-Vial Kit | Anabolic Androgenic Steroid

Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 10-Vial Kit | Anabolic Androgenic Steroid

$310
Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 10-Vial Kit — 17α-methylated anabolic-androgenic steroid (methandrostenolone) — orally active AR agonist with strong anabolic:androgenic ratio studied for nitrogen retention, skeletal muscle anabolism, and androgen pharmacology. Research use only.
Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 20-Vial Kit | Anabolic Androgenic Steroid

Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 20-Vial Kit | Anabolic Androgenic Steroid

$570
Dianabol Oil (Methandrostenolone) 50mg/mL Injectable | 20-Vial Kit — 17α-methylated anabolic-androgenic steroid (methandrostenolone) — orally active AR agonist with strong anabolic:androgenic ratio studied for nitrogen retention, skeletal muscle anabolism, and androgen pharmacology. Research use only.
Dihexa 10mg | 10-Vial Kit | HGF/MET Nootropic Peptide | High-Dose Cognitive Research

Dihexa 10mg | 10-Vial Kit | HGF/MET Nootropic Peptide | High-Dose Cognitive Research

$280
Dihexa 10mg | 10-Vial Kit — HGF/MET agonist heptapeptide (PNB-0408) — activates hepatocyte growth factor receptor to drive hippocampal synaptogenesis and dendritic spine density; studied for cognitive enhancement and memory improvement. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dihexa 10mg | 20-Vial Kit | HGF/MET Nootropic Peptide | High-Dose Cognitive Research

Dihexa 10mg | 20-Vial Kit | HGF/MET Nootropic Peptide | High-Dose Cognitive Research

$510
Dihexa 10mg | 20-Vial Kit — HGF/MET agonist heptapeptide (PNB-0408) — activates hepatocyte growth factor receptor to drive hippocampal synaptogenesis and dendritic spine density; studied for cognitive enhancement and memory improvement. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dihexa 20mg Tablets | 100-Count

Dihexa 20mg Tablets | 100-Count

$590
QSC Dihexa (HGF/c-Met Agonist / Cognitive Enhancement Peptide) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 20mg per tablet, 25-count. Research use only.
Dihexa 5mg | 10-Vial Kit | HGF/MET Nootropic Peptide | Cognitive & Synaptogenic Research

Dihexa 5mg | 10-Vial Kit | HGF/MET Nootropic Peptide | Cognitive & Synaptogenic Research

$220
Dihexa 5mg | 10-Vial Kit — HGF/MET agonist heptapeptide (PNB-0408) — activates hepatocyte growth factor receptor to drive hippocampal synaptogenesis and dendritic spine density; studied for cognitive enhancement and memory improvement. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Dihexa 5mg | 20-Vial Kit | HGF/MET Nootropic Peptide | Cognitive & Synaptogenic Research

Dihexa 5mg | 20-Vial Kit | HGF/MET Nootropic Peptide | Cognitive & Synaptogenic Research

$390
Dihexa 5mg | 20-Vial Kit — HGF/MET agonist heptapeptide (PNB-0408) — activates hepatocyte growth factor receptor to drive hippocampal synaptogenesis and dendritic spine density; studied for cognitive enhancement and memory improvement. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
DNP 200mg Tablets | 100-Count

DNP 200mg Tablets | 100-Count

$270
QSC DNP (2,4-Dinitrophenol) (Mitochondrial Uncoupler / Protonophore) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 200mg per tablet, 50-count. Research use only.
DSIP 10mg | 10-Vial Kit | Sleep Peptide Kit

DSIP 10mg | 10-Vial Kit | Sleep Peptide Kit

$220
DSIP 10mg | 10-Vial Kit — Delta sleep-inducing nonapeptide — studied for slow-wave sleep architecture modulation, HPA axis normalisation, and circadian rhythm regulation independent of sedative receptor pathways. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
DSIP 10mg | 20-Vial Kit | Sleep Peptide Kit

DSIP 10mg | 20-Vial Kit | Sleep Peptide Kit

$390
DSIP 10mg | 20-Vial Kit — Delta sleep-inducing nonapeptide — studied for slow-wave sleep architecture modulation, HPA axis normalisation, and circadian rhythm regulation independent of sedative receptor pathways. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
DSIP 15mg | 10-Vial Kit | Sleep Peptide Kit

DSIP 15mg | 10-Vial Kit | Sleep Peptide Kit

$260
DSIP 15mg | 10-Vial Kit — Delta sleep-inducing nonapeptide — studied for slow-wave sleep architecture modulation, HPA axis normalisation, and circadian rhythm regulation independent of sedative receptor pathways. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
DSIP 15mg | 20-Vial Kit | Sleep Peptide Kit

DSIP 15mg | 20-Vial Kit | Sleep Peptide Kit

$470
DSIP 15mg | 20-Vial Kit — Delta sleep-inducing nonapeptide — studied for slow-wave sleep architecture modulation, HPA axis normalisation, and circadian rhythm regulation independent of sedative receptor pathways. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
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