Andarine (S-4) – Powder
Selective Androgen Receptor Modulator for Research Use
Andarine (S-4) is a research-grade selective androgen receptor modulator (SARM) widely studied for its potential relevance in androgen receptor signaling, musculoskeletal pathway investigation, body composition models, and tissue-selective anabolic research. As one of the earlier extensively researched SARMs, Andarine has attracted significant scientific interest in models involving receptor-mediated signaling, lean tissue pathways, and performance-related biological processes.
Researchers have investigated S-4 in studies involving androgen receptor modulation, skeletal muscle signaling, bone-associated pathways, and body recomposition research. Its investigational profile has made it a notable compound in SARM science.
Supplied in powder format for laboratory and analytical research applications.
Common Research Areas
- Androgen Receptor Signaling Research
- Lean Tissue and Anabolic Pathway Studies
- Musculoskeletal and Bone Models
- Body Composition Investigation
- Selective Receptor Modulation Research
How Andarine Works
Andarine has been studied for its selective interaction with androgen receptor pathways involved in anabolic signaling and tissue-selective modulation. Researchers have explored its relevance in models involving lean mass signaling, musculoskeletal biology, and receptor-mediated performance pathways.
Its receptor selectivity has made Andarine a recurring subject in advanced SARM research.
Research Overview
Andarine has been investigated across a range of preclinical models involving androgen receptor biology, anabolic signaling, and musculoskeletal research.
Areas of scientific interest include:
- Selective androgen receptor pathway studies
- Lean tissue signaling investigations
- Skeletal muscle and bone research models
- Body composition pathway studies
- Performance-related receptor modulation research
Its broad research relevance continues to make it a significant compound in SARM science.
Andarine vs Related Compounds
Andarine vs Ostarine (MK-2866)
Andarine is often researched in stronger receptor modulation models, while Ostarine is commonly investigated in broader musculoskeletal and anabolic signaling studies.
Andarine vs RAD140
RAD140 has drawn interest for high-potency receptor selectivity, whereas Andarine remains a foundational compound in classic SARM research.
Frequently Asked Questions
What is Andarine studied for?
It is commonly researched in androgen receptor signaling, body composition pathways, musculoskeletal models, and selective receptor modulation studies.
What does S-4 stand for?
S-4 is the research designation commonly associated with Andarine.
How should Andarine powder be stored?
Research powders are generally stored in a cool, dry environment protected from heat and moisture.
Related Compounds
You may also be interested in:
- Ostarine (MK-2866)
- RAD140
- LGD-4033
- ACP-105
- S-23







