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  • 🇺🇸 USA Domestic
  • Warehouses
    • 🇪🇺 EU Domestic
    • 🇬🇧 UK Domestic
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    • 🇨🇦 CA Domestic
    • 🇨🇳 CH International
  • Compounds
    • Categories
      • Anti-Aging & Longevity
      • Cognitive & Nootropic
      • Cosmetics
      • Performance & Hormone Optimization
      • Recovery & Healing
      • Weight Loss & Metabolic
    • Peptides
      • Peptide Blends
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    • About QSC
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≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
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Stanozolol (Winstrol) 100mg/mL Water Injectable | 20-Vial Kit

Stanozolol (Winstrol) 100mg/mL Water Injectable | 20-Vial Kit

$550
Stanozolol (Winstrol) 100mg/mL Water Injectable | 20-Vial Kit — DHT-derived non-aromatising AAS (Winstrol) — injectable stanozolol studied for lean anabolic androgen pharmacology, SHBG binding dynamics, and ester-form pharmacokinetic comparison. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Stanozolol (Winstrol) 1KG Raw Powder | Winstrol

Stanozolol (Winstrol) 1KG Raw Powder | Winstrol

$4,000
QSC Stanozolol (Winstrol — DHT-derived AAS, strongest SHBG displacer) — 1KG bulk raw powder. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Stanozolol (Winstrol) 50mg/mL OiL Injectable | 10-Vial Kit

Stanozolol (Winstrol) 50mg/mL OiL Injectable | 10-Vial Kit

$250
Stanozolol (Winstrol) 50mg/mL OiL Injectable | 10-Vial Kit — DHT-derived non-aromatising AAS (Winstrol) — injectable stanozolol studied for lean anabolic androgen pharmacology, SHBG binding dynamics, and ester-form pharmacokinetic comparison. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Stanozolol (Winstrol) 50mg/mL OiL Injectable | 20-Vial Kit

Stanozolol (Winstrol) 50mg/mL OiL Injectable | 20-Vial Kit

$450
Stanozolol (Winstrol) 50mg/mL OiL Injectable | 20-Vial Kit — DHT-derived non-aromatising AAS (Winstrol) — injectable stanozolol studied for lean anabolic androgen pharmacology, SHBG binding dynamics, and ester-form pharmacokinetic comparison. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Stanozolol (Winstrol) 50mg/mL Water Injectable | 10-Vial Kit

Stanozolol (Winstrol) 50mg/mL Water Injectable | 10-Vial Kit

$300
Stanozolol (Winstrol) 50mg/mL Water Injectable | 10-Vial Kit — DHT-derived non-aromatising AAS (Winstrol) — injectable stanozolol studied for lean anabolic androgen pharmacology, SHBG binding dynamics, and ester-form pharmacokinetic comparison. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Stanozolol (Winstrol) 50mg/mL Water Injectable | 20-Vial Kit

Stanozolol (Winstrol) 50mg/mL Water Injectable | 20-Vial Kit

$550
Stanozolol (Winstrol) 50mg/mL Water Injectable | 20-Vial Kit — DHT-derived non-aromatising AAS (Winstrol) — injectable stanozolol studied for lean anabolic androgen pharmacology, SHBG binding dynamics, and ester-form pharmacokinetic comparison. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Superdrol (Methasterone) 50mg/mL Injectable | 10-Vial Kit

Superdrol (Methasterone) 50mg/mL Injectable | 10-Vial Kit

$270
Superdrol (Methasterone) 50mg/mL Injectable | 10-Vial Kit — 17α-methylated DHT-derived AAS (methasterone) — non-aromatising potent AR agonist studied for rapid anabolic activity; lacks progestogenic activity studied as androgen pharmacology reference. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Superdrol (Methasterone) 50mg/mL Injectable | 20-Vial Kit

Superdrol (Methasterone) 50mg/mL Injectable | 20-Vial Kit

$490
Superdrol (Methasterone) 50mg/mL Injectable | 20-Vial Kit — 17α-methylated DHT-derived AAS (methasterone) — non-aromatising potent AR agonist studied for rapid anabolic activity; lacks progestogenic activity studied as androgen pharmacology reference. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Superdrol 10mg Tablets | 100-Count

Superdrol 10mg Tablets | 100-Count

$140
QSC Superdrol (Methasterone (oral anabolic steroid — non-aromatising, high potency)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Survodutide 10mg | 10-Vial Kit | Dual GLP-1/Glucagon Kit

Survodutide 10mg | 10-Vial Kit | Dual GLP-1/Glucagon Kit

$400
QSC Survodutide (Dual GLP-1R/GCGR agonist (BI 456906)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Survodutide 10mg | 20-Vial Kit | Dual GLP-1/Glucagon Kit

Survodutide 10mg | 20-Vial Kit | Dual GLP-1/Glucagon Kit

$750
QSC Survodutide (Dual GLP-1R/GCGR agonist (BI 456906)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Sustanon 250 (Testosterone Propionate 30mg + Testosterone Phenylpropionate 60mg + Testosterone Isocaproate 60mg + Testosterone Decanoate 100mg) 250mg/mL Injectable | 10-Vial Kit

Sustanon 250 (Testosterone Propionate 30mg + Testosterone Phenylpropionate 60mg + Testosterone Isocaproate 60mg + Testosterone Decanoate 100mg) 250mg/mL Injectable | 10-Vial Kit

$280
Sustanon 250mg/mL — quad-ester testosterone blend (sustanon 250) research injectable, 10-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Sustanon 250 (Testosterone Propionate 30mg + Testosterone Phenylpropionate 60mg + Testosterone Isocaproate 60mg + Testosterone Decanoate 100mg) 250mg/mL Injectable | 20-Vial Kit

Sustanon 250 (Testosterone Propionate 30mg + Testosterone Phenylpropionate 60mg + Testosterone Isocaproate 60mg + Testosterone Decanoate 100mg) 250mg/mL Injectable | 20-Vial Kit

$510
Sustanon 250mg/mL — quad-ester testosterone blend (sustanon 250) research injectable, 20-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Sustanon 400 (Testosterone Propionate 48mg + Testosterone Phenylpropionate 96mg + Testosterone Isocaproate 96mg + Testosterone Decanoate 160mg) 400mg/mL Injectable | 10-Vial Kit

Sustanon 400 (Testosterone Propionate 48mg + Testosterone Phenylpropionate 96mg + Testosterone Isocaproate 96mg + Testosterone Decanoate 160mg) 400mg/mL Injectable | 10-Vial Kit

$310
Sustanon 400mg/mL — quad-ester testosterone blend (high-concentration 400mg/ml) research injectable, 10-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Sustanon 400 (Testosterone Propionate 48mg + Testosterone Phenylpropionate 96mg + Testosterone Isocaproate 96mg + Testosterone Decanoate 160mg) 400mg/mL Injectable | 20-Vial Kit

Sustanon 400 (Testosterone Propionate 48mg + Testosterone Phenylpropionate 96mg + Testosterone Isocaproate 96mg + Testosterone Decanoate 160mg) 400mg/mL Injectable | 20-Vial Kit

$570
Sustanon 400mg/mL — quad-ester testosterone blend (high-concentration 400mg/ml) research injectable, 20-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

Out of stock

SZ352 Sleep & Calm Blend 352mg/mL Injectable | 10-Vial Kit

SZ352 Sleep & Calm Blend 352mg/mL Injectable | 10-Vial Kit

$260
SZ352 Sleep & Calm — injectable calming blend (GABA 100mg + Histidine 100mg + L-Theanine 50mg + Taurine 100mg + Melatonin 2mg), 10-vial kit. Research use only.
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Out of stock

SZ352 Sleep & Calm Blend 352mg/mL Injectable | 20-Vial Kit

SZ352 Sleep & Calm Blend 352mg/mL Injectable | 20-Vial Kit

$470
SZ352 Sleep & Calm — injectable calming blend (GABA 100mg + Histidine 100mg + L-Theanine 50mg + Taurine 100mg + Melatonin 2mg), 20-vial kit. Research use only.
Notify Me
T3 100G Raw Powder

T3 100G Raw Powder

$5,000
QSC T3 (Liothyronine / Triiodothyronine) (Thyroid Hormone / TRα/TRβ Agonist (Active)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 100G bulk. Research use only.
T3 Liothyronine 25mcg Tablets | 100-Count | Liothyronine / T3

T3 Liothyronine 25mcg Tablets | 100-Count | Liothyronine / T3

$130
T3 Liothyronine 25mcg Tablets | 100-Count — Active thyroid hormone (liothyronine) — direct TRα/TRβ agonist responsible for metabolic rate regulation, lipid oxidation, cardiac output, and protein synthesis; studied in thyroid pharmacology research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
T3 Liothyronine 40mcg Tablets | 100-Count | Liothyronine / T3

T3 Liothyronine 40mcg Tablets | 100-Count | Liothyronine / T3

$130
T3 Liothyronine 40mcg Tablets | 100-Count — Active thyroid hormone (liothyronine) — direct TRα/TRβ agonist responsible for metabolic rate regulation, lipid oxidation, cardiac output, and protein synthesis; studied in thyroid pharmacology research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
T4 100G Raw Powder | Thyroxine

T4 100G Raw Powder | Thyroxine

$1,150
QSC T4 (Thyroxine / Levothyroxine) (Thyroid Hormone / TR Agonist) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 100G bulk. Research use only.
T4 1KG Raw Powder | Thyroxine

T4 1KG Raw Powder | Thyroxine

$7,500
QSC T4 (Thyroxine / Levothyroxine) (Thyroid Hormone / TR Agonist) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 1KG bulk. Research use only.
T4 Levothyroxine 40mcg Tablets | 100-Count | Levothyroxine / T4

T4 Levothyroxine 40mcg Tablets | 100-Count | Levothyroxine / T4

$130
T4 Levothyroxine 40mcg Tablets | 100-Count — Thyroid prohormone (levothyroxine) — converted to active T3 by peripheral deiodinases; studied for thyroid replacement pharmacokinetics, deiodination pathway research, and comparative T3/T4 dynamics. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
Tadalafil 1KG Raw Powder | Tadalafil

Tadalafil 1KG Raw Powder | Tadalafil

$1,000
QSC Tadalafil (long-acting PDE5 inhibitor, T½ ~17.5h, high PDE5/PDE6 selectivity) — 1KG bulk raw powder. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
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