ACE-031 Pre-Mixed Pen
ACE-031 is supplied by Direct SARMS Slovakia as a 1mg pre-mixed pen format containing ACE-031 research material for laboratory research purposes.
$123.75 – $366.25Price range: $123.75 through $366.25
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ACE-031 Pre-Mixed Pen
ACE-031 is a recombinant fusion protein involving the extracellular domain of activin receptor type-IIB and an IgG1 Fc region. Published research has examined ACE-031 in relation to myostatin and activin signalling pathways. Direct SARMS Slovakia supplies 1mg ACE-031 as a pre-mixed pen format. The format comes with a pen kit or individual pre-mixed cartridges available.
Benefits of the pre-mixed pen format
Visit the ACE-031 Research Guide ▸
ACE-031 is supplied exclusively for laboratory research use. The information on this page is provided for scientific and educational reference and is based on available published research. This product is not intended for human or veterinary use, diagnosis, treatment, or prevention of any disease or medical condition. It is intended solely for qualified laboratory research and must be handled in accordance with applicable laboratory safety requirements.
Buy ACE-031 Pre-Mixed Pen Slovakia from Direct SARMS.
Additional information
| Size(s) | 1mg |
| Purity | >95% |
| Molecular Formula | C133H227N43O33 |
| Molecular Weight | 2956.5 g/mol |
| Sequence | Not available - ACE-031 is a recombiant fusion protein. |
| Physical Form | Pre-Mixed Cartridge |
| Storage | 2–8°C |
General information
Applies to all Direct Sarms research compounds unless noted otherwise on the product.
Storage & handling
Store the pre-mixed pen according to the instructions provided on the product label. As the formulation is supplied in liquid form, follow any product-specific refrigeration requirements and protect the pen from excessive heat and direct light. Do not freeze unless the product label specifically states otherwise.
Shipping & discretion
Fully tracked dispatch with worldwide shipping available. Sent in plain, discreet outer packaging with no product description on the label.
FDA disclosure & intended use
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease. Research use only — not for human or animal consumption. You must be 18+ and a qualified researcher.
Got a question about this ACE-031 compound?
A pre-mixed peptide pen from Direct SARMS, is a pen-format research product containing a peptide already prepared in a liquid solution at a specified concentration. Unlike a lyophilized peptide vial, it does not require reconstitution before laboratory analysis or experimental research and should be stored and handled according to the supplier’s stated conditions.
Vials supplied by Direct Sarms contain a Lyophilized powder which requires reconstitution using a dilutant before research use. Pre-Mixed pen kits and cartridges are delivered already reconstituted for immediate use in the laboratory.
No, pre-mixed peptide pen kits and cartridges from Direct SARMs are already reconstituted with Bacteriostatic Water, ready for research use.
Direct SARMs AC-031 Pen Kit Includes: 1 x Peptide cartridge pen with carry case 1 x Cartridge pre-mixed with 1mg ACE-031 peptide and bacteriostatic water 3 x Pen needle tips
Certificate of Analysis
| Identity | ACE-031 | CONFORMS |
| Purity (HPLC) | >95% | CONFORMS |
| Mass (LC-MS) | 2956.5 g/mol | CONFORMS |
| Appearance | Pre-Mixed Cartridge | CONFORMS |







