Andarine S4 25mg

Andarine S4 25mg 60 Caps – Powerful Lean Muscle Research Compound

Introduction to Andarine (S4)

Andarine, also known as S4, is a selective androgen receptor modulator (SARM) widely studied in scientific and laboratory research for its lean muscle preservation, fat reduction, and bone density effects. Supplied as 25mg capsules in a 60-count bottle, Andarine is commonly used in controlled research environments to explore anabolic signaling pathways, body recomposition studies, and strength modeling.

Unlike traditional anabolic steroids, Andarine S4 25mg is non-steroidal and highly selective for androgen receptors in skeletal muscle and bone, making it ideal for research that requires precise measurement of tissue response without the confounding effects of aromatization or excessive androgenic activity.

What Makes Andarine (S4) Unique?

Andarine is characterized by its strong binding affinity to androgen receptors, particularly in muscle and bone tissue. This selectivity allows researchers to focus on muscle density, lean mass retention, and skeletal strength, while minimizing off-target effects in other tissues such as the prostate or skin.

Key features of Andarine S4 in research include:

• High receptor selectivity

• Non-aromatizing mechanism

• Potent anabolic signaling in skeletal muscle

• Enhanced lean mass retention in deficit models

• Research-grade purity and consistency

This unique profile has made Andarine one of the most widely investigated SARMs in laboratories focusing on body composition, tissue preservation, and metabolic research.