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  • Warehouses
    • 🇺🇸 USA Domestic
    • 🇪🇺 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
    • FAQ
    • Privacy Policy
    • Return, Refund & Shipping Policy
    • Terms and Conditions
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FREE standard shipping on all orders.
≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳

Primobolan 25mg Tablets | 100-Count | Methenolone Acetate | Oral Anabolic

Primobolan (Methenolone Acetate) 25mg tablets, 100-count — mild oral anabolic research. ≥99% HPLC, Janoshik COA. Research use only.

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

$190

or
SKU: QSC-M25-PRIMOBOLAN-25MG-100TAB
Categories: China, Orals, Performance & Hormone Optimization, Steroids, United States
Brand: QSC
Technical Specs & COA

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COA1-Region Domestic ShippingLow Androgenic Profile

What is Primobolan 25mg Tablets?

Primobolan (Methenolone Acetate) is an oral anabolic-androgenic steroid with a notably mild androgenic profile relative to its anabolic activity. The C1-methyl and 17-acetyloxy modifications produce moderate oral bioavailability and reduced 17α-alkylation-related hepatotoxicity compared to other oral AAS. Research applications include androgen receptor binding studies, lean mass preservation models, and comparative androgenic potency research where a low-androgenic anabolic comparator is required.

Research Applications

Androgen Receptor Binding Research

Methenolone acetate has characterised AR binding affinity — moderate anabolic, low androgenic ratio. Useful as a comparator in AR agonist selectivity studies.

Lean Mass Preservation Research

Low androgenic profile + anabolic activity makes Primobolan suitable for muscle preservation models in catabolic states (caloric restriction, glucocorticoid-induced atrophy).

Comparative AAS Pharmacology

Low hepatotoxicity profile makes Primobolan a useful comparator to assess androgenic vs hepatotoxic tradeoffs across the oral AAS class.

Quick Specs

Product Primobolan (Methenolone Acetate) 25mg tablets, 100-count
CAS 434-05-9
Format Oral tablets
Purity ≥99% HPLC, MS confirmed
Storage Room temperature, sealed container

Certificate of Analysis (COA)

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

Frequently Asked Questions

How are QSC research tablets supplied?
QSC research tablets are supplied as pre-dosed oral tablets at the stated concentration. No reconstitution is required. Each tablet is compressed at uniform dose for consistent dosing in research applications.
How should research tablets be stored?
Store at room temperature (15–25°C) in a cool, dry place away from moisture, heat, and direct sunlight. Keep in the original container. Properly stored tablets remain stable for 2–3 years.
What purity are QSC research tablets and how is it verified?
QSC research tablets contain active ingredient at ≥99% HPLC purity before tableting, with MS-confirmed identity on every batch. 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.
🌍 Domestic shipping: 🇺🇸 USA  ·  🌏 International: China warehouse — 7–14 day global delivery
PNC-27 10mg | 10-Vial Kit | 10...

$300

Primobolan 50mg Tablets | 100-...

$240

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