What is S4 (Andarine)
S4 (Andarine) is a selective androgen receptor modulator (SARM) designed to bind selectively to androgen receptors in muscle and bone tissue. It was originally researched for its potential to support muscle preservation and strength without many of the unwanted effects associated with traditional anabolic compounds.
Due to its selective action, S4 is commonly researched for its potential role in improving body composition, supporting lean muscle retention, and enhancing physical performance during training phases.
Why people use it
S4 is typically chosen by users looking to:
Support lean muscle retention and development
Enhance strength and physical performance
Assist with body recomposition and muscle definition
Maintain performance during cutting phases
Quality & Trust
Third-party lab tested
High purity compounds
Discreet shipping
Batch-controlled quality
Disclaimer
For research purposes only. Not intended for human consumption.
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