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    • QSC Protocols
      • Clavicular Ascension
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≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
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BLEND 500 (Trenbolone Enanthate 250mg + Drostanolone Enanthate 250mg) 500mg/mL Injectable | 20-Vial Kit

BLEND 500 500mg/mL — dual long-ester anabolic blend research injectable, 20-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

✓ 99%+ Purity ✓ COA Available
✓ Free Shipping on All Orders ✓ Ships from China (🇨🇳)

$1,350

or
SKU: QSC-B500-BLEND500-500MG-ML-20VIAL
Categories: China, Injectables, Performance & Hormone Optimization Peptides, Research Peptides
Brand: QSC
Technical Specs & COA
PubMed
Disclaimer & Storage Guide

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAPharmaceutical-GradeChina Warehouse

What is BLEND 500 (Trenbolone Enanthate 250mg + Drostanolone Enanthate 250mg)?

BLEND 500 is a high-concentration dual long-ester research preparation combining Trenbolone Enanthate 250mg/mL and Drostanolone Enanthate 250mg/mL. Both compounds share the enanthate ester for aligned release kinetics. Total concentration of 500mg/mL allows high-dose research protocols in minimal injection volume. Research use only.

Research Applications

Long-Ester Release Kinetics

Enanthate ester hydrolysis dynamics, sustained serum concentration modelling

High-Concentration Pharmacokinetics

500mg/mL volume-dose research — injection site tolerability and depot formation

AR Binding & Selectivity

Comparative tissue-selective androgen receptor activation: trenbolone vs drostanolone

Trenbolone Enanthate Research

Progestogenic activity, GnRH suppression, IGF-1 upregulation, myogenesis

Drostanolone Enanthate Research

SHBG binding, anti-estrogenic mechanism, androgen index, adipose tissue studies

Quick Specs

Form Injectable solution
Concentration 500mg/mL
CAS 10161-33-8 / 472-61-145
Molecular Formula TrenE C₂₅H₃₄O₃ + MastoE C₂₈H₄₄O₃
MW 410.5 / 432.6
Purity ≥99% by HPLC — every batch
Identity MS confirmed — every batch
COA Janoshik-independent, publicly verifiable
Vehicle Pharmaceutical-grade oil (USP/BP)
Storage Room temperature 15–25°C | Protect from light | Do not freeze
Shelf Life 24 months (unopened)

Certificate of Analysis (COA)

For the latest Certificate of Analysis (COA), please email us with your request.

Frequently Asked Questions

How is this injectable compound supplied?
This QSC injectable is supplied as a ready-to-use solution — no reconstitution required. The stated concentration is in pharmaceutical-grade carrier (oil or aqueous, as indicated). Draw using a sterile syringe appropriate for the solution type.
How should this injectable compound be stored?
Store at room temperature (15–25°C) for oil-based solutions, or 2–8°C for aqueous solutions, away from direct sunlight. Do not freeze oil-based injectables. Properly stored, injectable solutions remain stable for 2–3 years.
What purity is this QSC compound and how is it verified?
All QSC compounds are tested to ≥99% purity by HPLC on every production batch, with MS-confirmed identity. COA is published on the product page and independently verifiable at verify.janoshik.com.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 Shipping: China warehouse — 7–14 day global delivery
🧬 PubMed Research — BLEND
Search PubMed ↗
36,761 publications found Last 10 years 3 most recent shown
41800877
Confirming and notifying death: blended learning acceptability among medical students, a pilot mixed-methods study.
Prieur-Drevon D et al. · Med Educ Online 2026 View ↗
41960816
Interventions currently implemented among orphans in South-Africa: a scoping review.
Grove MJ et al. · SAHARA J 2026 View ↗
41873497
'Being empathetic to my patients and ourselves': a qualitative process evaluation of READ-Y psychological first aid training for healthcare workers working in routine care.
Wang L et al. · Eur J Psychotraumatol 2026 View ↗

Showing 3 of 36,761 for BLEND

View all on PubMed ↗

Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

📋

Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
🧪

General Safety & Handling

🚫

Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

🥽

PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

🌡️

Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

🗑️

Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

🧾

Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

❄️

Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

BLEND 500 (Trenbolone Enanthat...

$700

TRENMIX (Trenbolone Acetate 75...

$430

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