Selective Androgen Receptor Modulator (SARM)
Dragon Pharma S4 25 mg, pharmaceutically known as Andarine, stands as a pioneering and highly respected Selective Androgen Receptor Modulator (SARM) in the world of performance enhancement. Renowned for its exceptional ability to promote dramatic body recomposition, S4 is the go-to compound for athletes seeking the elusive "holy grail" of simultaneously building lean, dense muscle while incinerating stubborn body fat. Its unique pharmacological profile delivers pronounced anabolic effects in muscle and bone tissue while exhibiting strong lipolytic (fat-burning) activity, making it a cornerstone of cutting, leaning, and pre-contest cycles.
Manufactured to the highest standards in Dragon Pharma's EU-certified facilities, each 25 mg tablet provides a potent and precise dose of Andarine. S4 operates by selectively binding to androgen receptors, triggering increased protein synthesis and nitrogen retention. This results in solid, dry muscle gains that are devoid of water retention, contributing to a hard, grainy, and highly vascular physique. Unlike bulking compounds, S4 shines in a caloric deficit, fiercely protecting lean tissue while unlocking fat stores for energy. Users report significant improvements in strength, muscle density, and that coveted "3D" look where muscle separation and vascularity become strikingly pronounced.
A defining characteristic of S4 is its dose-dependent and reversible visual side effects, often referred to as "S4 vision." This may include a yellow tint to vision and slower adjustment to darkness, which typically subsides after discontinuation. This unique side profile necessitates a mindful dosing strategy. Furthermore, while considered a mild-to-moderate SARM in terms of suppression compared to counterparts like S23, it still requires a structured approach to cycle length and a considered Post Cycle Therapy (PCT) for optimal hormonal recovery.
Key Benefits:
Each sachet contains 100 tablets of 25mg Andarine (S-4), manufactured under strict quality control standards in Dragon Pharma's certified facilities.
| Product Name | S4 25 mg |
| Manufacturer | Dragon Pharma |
| Substance | Andarine (S-4) |
| Packaging | 100 tablets in sealed sachet |
| Lab Test Result | Consistently verified for purity & dosage |
| Half-Life | Approximately 4 - 6 hours |
| Recommended Cycle | 8 - 12 weeks |
| Form | Oral tablet |
| Aromatization | No (Non-estrogenic) |
| Dosage (Men) | 25 - 75 mg per day (split doses) |
S4 (Andarine) is versatile and effective for both beginners and experienced users when dosed responsibly. Due to its short half-life, splitting the daily dose is recommended (e.g., morning and evening). The "5 days on, 2 days off" protocol is popular to help manage potential vision side effects. Always start at the lower end of the dosage range to assess tolerance.
For cycles at or above 50 mg/day for 8+ weeks, a 3-4 week PCT is prudent. A common protocol:
For lower-dose/short cycles, a natural test booster may suffice, but post-cycle blood work is the ultimate guide. Having Aromasin on hand is wise for managing potential estrogen rebound during PCT.
S4 is not notably hepatotoxic, but on-cycle support is wise. Use a liver aid like TUDCA or NAC. The primary management is for vision: maintain optimal lighting, be cautious driving at night, and consider the 5/2 dosing schedule. For joint support and overall wellness, consider adding peptides like BPC-157. Stay hydrated and ensure adequate intake of Vitamin A for eye health.
To ensure the longevity and efficacy of your Dragon Pharma S4 (Andarine) tablets, proper storage is essential.
While both are SARMs, Ostarine (MK-2866) and Andarine (S4) have distinct profiles. Ostarine is known as a 'healing' SARM, excellent for preserving muscle during a cut and providing mild to moderate lean gains with minimal suppression. Andarine (S4) is more potent and androgenic. It's superior for promoting significant lean muscle gains, extreme fat loss, and pronounced vascularity, especially during a cutting phase. However, S4 comes with a higher risk of side effects, most notably vision-related issues (dose-dependent yellow tint, night vision changes) and is more suppressive than Ostarine.
Dragon Pharma S4 Andarine pills are used by athletes and bodybuilders primarily for body recomposition—simultaneously building lean muscle and burning fat. Its key applications include:
The most notable side effect of S4 is reversible vision disturbance, often called the 'yellow tint' or 'S4 vision.' This can include a yellow tinge to vision, difficulty adjusting to darkness, and potentially seeing halos around lights. These effects are dose-dependent and typically subside within a few days to a week after discontinuing the compound. They are believed to be caused by S4's interaction with androgen receptors in the eyes. To mitigate this, users often employ a dosage strategy like '5 days on, 2 days off' or keep daily doses below 50-75 mg. The vision sides are a key factor distinguishing S4 from other SARMs.
Yes, a Post Cycle Therapy (PCT) is recommended after an S4 cycle, especially for cycles longer than 6 weeks or doses above 50 mg per day. While S4 is less suppressive than stronger SARMs like S23 or YK-11, it still significantly lowers natural testosterone production. A mild to moderate PCT protocol using a SERM like Clomid or Nolvadex for 3-4 weeks is standard. For shorter, lower-dose cycles, a natural testosterone booster may suffice, but blood work is the only way to confirm recovery. Having a PCT plan ready before starting your cycle is crucial.
Absolutely, S4 stacks very well with other compounds for synergistic effects. Common stacks include:
Always consider the compounded side effects and increased need for PCT when stacking.