What is LGD-4033 (Ligandrol)?
LGD-4033 (Ligandrol, VK5211) is a highly potent nonsteroidal SARM with near-full AR agonist efficacy. Among the strongest anabolic SARMs in clinical research — demonstrated lean mass accretion in Phase I studies. Research tool for AR full agonism, muscle hypertrophy models, and high-potency SARM pharmacology. Research use only.
Research Applications
High-Potency AR Full Agonism
Near-full efficacy AR activation — Emax close to testosterone, potency ranking
Lean Mass Research
Muscle protein synthesis, satellite cell activation, myofibre hypertrophy
SARM Reference Compound
High-potency full agonist benchmark — comparison anchor for weaker SARMs
HPG Axis Suppression
Dose-dependent LH/FSH suppression, testosterone suppression, recovery kinetics
Clinical-Grade SARM Research
Phase I-validated compound — translational muscle wasting and sarcopenia research
Quick Specs
| Form |
C₁₄H₁₂F₆N₂O, MW 338.2 |
| Purity |
≥99% by HPLC — every batch |
| CAS Number |
1165910-22-4 |
| Molecular Weight |
MS molecular weight confirmed — every batch |
| Specification |
≥99% by HPLC — every batch |
| Shelf Life |
24 months (unopened) |
| Storage |
Room temperature sealed | cool, dry storage |
| Manufacture |
In-house synthesis — Qingdao, China |
| Brand |
China |
Frequently Asked Questions
How do I reconstitute this peptide?
QSC raw powder compounds are supplied as bulk crystalline or amorphous powder in a sealed, labelled container at the stated quantity. No reconstitution is required — the powder is ready for weighing and use in research applications.
How should this peptide be stored?
Store at room temperature (15–25°C) in a cool, dry place away from moisture, heat, and direct light. Keep in the original sealed container. Properly stored raw powder remains stable for 2–3 years.
What purity is this QSC compound and how is it verified?
All QSC raw powder 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.
🌍 Domestic shipping: 🇺🇸 USA 5–7 days
🌏 International shipping: 7–14 days
⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION
QSC products are strictly for in vitro and in vivo laboratory research.
Safety & Handling
🚫
Not for Human Use
These compounds are for research only.
🥽
PPE Required
Always use appropriate protective equipment.
❄️
Storage Compliance
Follow product-specific storage conditions.
Product-Specific Storage
Room temperature sealed | cool, dry storage
