Description

Technical Parameters

Andarine S4 (S-4) 10mg Oral Tablets (100 tablets/bottle) Product Description *

Pharmaceutical Grade Tablets | Andarine S4 (S-4) Selective Androgen Receptor Modulator

Chemical name : (2S)-3-(4-acetylaminophenoxy)-2-hydroxy-2-methyl-N-(4-nitro-3-trifluoromethylphenyl)propionamide

CAS No .: 401900-40-1

Molecular formula : C₁₉H₁₄F₃N₃O₃

Molecular weight : 389.33

Specifications : 10mg/tablet, 100 tablets/bottle

Appearance : White or off-white tablets

Andarine S4 Usage

Andarine S4 (S-4) is a highly selective androgen receptor modulator (SARM) that is widely used for fat loss, body shaping, muscle tone, and competitive preparation due to its excellent tissue selectivity and lack of vision-related side effects .

✅ Targeted fat loss and body shaping :

Preferentially acts on skeletal muscle and adipose tissue , reducing body fat while preserving lean body mass

4-6 week cycle can reduce fat 3-5kg (combined with calorie deficit)

✅ Increase muscle hardness :

Increases muscle density and definition with zero water retention

Ideal pre-race choice for enhanced muscle detail and vascularity

✅ Vision-related effects :

Temporal suppression of dark adaptation (dose-related)

Gold standard side effects , dosage self-regulation guide

Andarine S4 (S-4) Properties

High selectivity :

Muscle /bone selective , minimal impact on prostate and hair follicles

No estrogen/progestin activity , low risk of side effects

Oral high efficacy :

High oral bioavailability (>80%)

Take 1-2 times a day , no injection required

Short half-life :

Half-life of 4-6 hours , divided dosing is required to maintain blood concentration

Rapid onset and clearance , flexible dosage adjustment

Unique visual effects :

Dose- dependent inhibition of dark adaptation , an indicator of self-regulation

Reversible visual effects , rapid recovery after drug discontinuation

Andarine S4 Directions

1. Cutting Cycle :

Dosage : 50 mg/day, divided orally in 2 doses (morning/before training)

Duration : 6-8 weeks

Effects : Targeted reduction of abdominal and visceral fat

2. Contest Prep :

Dosage : 75 mg/day, divided into 3 doses (every 4-6 hours)

4 weeks before competition to improve muscle hardness and separation

3. Dosage Self-Regulation Guidelines :

25mg dose : Usually no visual effects

50mg dose : Slight dark adaptation delay (30-60 seconds)

75mg + dose : Significant suppression of dark adaptation (60-90 seconds)

4. When to take :

Morning on an empty stomach : Best absorption

Before and After Training : Take 1 hour before or immediately after training

Split dose : Take in divided doses every 4-6 hours to maintain blood concentration

Lifecycle Support and Management

Mid- cycle support :

Vision protection : Lutein 20mg/day + Zeaxanthin 2mg/day

Blood lipid protection : Fish oil 3g/day + Coenzyme Q10 200mg/day

Liver support : Silymarin 600mg/day

PCT Requirements :

Mild PCT : Tamoxifen 10 mg/day × 2 weeks (optional)

Natural recovery : natural testosterone levels restored within 4 weeks

Precautions

⚠ Vision effects : Dose-related suppression of dark adaptation (avoid night driving)

⚠ Dosage control : No more than 100mg per day (visual effects may worsen)

Why choose Andarine S4 ?

The most accurate fat-reducing SARM , targeted at reducing fat while preserving muscle

Self-regulation of visual side effects and personalized dosage adjustment guidelines

Ideal choice for competition season , zero water retention and ultimate muscle firmness

Quality Assurance :

GMP -compliant production , with content uniformity testing for each batch

Third-party laboratory report (COA) is included with the goods

Aluminum foil blister packaging to ensure stability

Worldwide Shipping :

100 tablets/bottle economical pack to meet cycle needs

Original sealed packaging , private delivery

Temperature -controlled transportation to ensure drug efficacy

Andarine S4 Conclusion

Andarine S4 is an excellent choice for fat loss, body shaping, and pre-competition preparation . It is particularly suitable for targeted fat loss, muscle hardness improvement, and competitive preparation . The recommended dose is 50-75mg/day .

Need a specific usage plan ?

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