RepxxStart Training
TEST-BASE
Compound: 17β-hydroxyandrost-4-en-3-one
Testosterone Guide
The Biological Foundation
Testosterone is the fundamental "Master Hormone," acting as the essential biological blueprint for protein synthesis and androgenic signaling. As the primary endogenous androgen delivered via esterified injection, it bypasses oral bioavailability limitations to optimize nitrogen balance and drive elite, long-term physiological evolution.

Anabolic Rating

100

Standard Reference

Androgenic Rating

100

Perfect Balance

Chemical Formula

C19H28O2

Bio-Identical

Typical Half-Life

8-12 Days

Enanthate/Cypionate

System.Core.Steroid_Database
Information Hub

Anabolic Baseline

100pts

Androgenic Ref

100pts

📊Overview🧬Testosterone
💊Dianabol
🔥Trenbolone
⚡Anavar
Database Sync: Optimized
Security Protocol: WADA Standard
What is Testosterone?
Testosterone is the primary male sex hormone and anabolic steroid. It is the physiological foundation for reproductive health, bone density, and peak physical performance.
✚Medical Uses
  • • Hormone replacement therapy (HRT)
  • • Hypogonadism treatment
  • • Muscle wasting conditions
  • • Osteoporosis prevention
  • • Delayed puberty
  • • Certain anemias
💧Forms Available
  • • Injectable (Cypionate, Enanthate)
  • • Topical gels and creams
  • • Patches and pellets
  • • Oral (Undecanoate)
  • • Buccal tablets
Effects & Optimization
💪
Physical
  • Muscle Hypertrophy ↑
  • Bone Mineral Density ↑
  • Lipolysis (Fat Loss) ↑
  • Basal Metabolic Rate ↑
  • ATP Recovery Speed ↑
🧠
Neurological
  • Cognitive Assertiveness High
  • Spatial Memory Improved
  • Dopaminergic Response +
  • Cortisol Regulation Stable
  • Neuroprotection Active
🔥
Vitality
  • Libido Drive Strong
  • Nitric Oxide Synth. Optimized
  • Spermatogenesis Enhanced
  • Morning Erections Frequent
  • Total Vitality Index High
Health Risks & Side Effects
Clinical Vigilance Required
!
Common Manifestations

Dermatological

Acne, Oily Skin, Seborrhea

Follicular

DHT-induced Alopecia

Systemic

Fluid Retention (Edema)

Neurological

Insomnia & Sleep Apnea

X
Critical Pathologies

Cardiovascular

LVH & Arterial Stiffness

Endocrine

HPTA Shutdown & Atrophy

Hepatic

Transaminase Elevation

Hematology

Erythrocytosis (HCT > 54%)

Intelligence Briefing
Truth vs Deception
Data Accuracy
Verified
The Deception
"Natural" means 100% safe.
The Clinical RealityThe body maintains a delicate **Homeostatic Equilibrium**. Exogenous hormones—regardless of "purity"—suppress the HPTA axis and can cause left ventricular hypertrophy (heart thickening) even at TRT dosages.
The Deception
Higher dose = Faster results.
The Clinical RealityAndrogen receptors have a **Saturation Point**. Once receptors are full, excess testosterone is either converted to **Estrogen (Aromatization)** or **DHT**, leading to breast tissue growth and hair loss rather than muscle gain.
🌿
Endogenous Optimization
Safer Alternatives & Natural Protocols
Lifestyle Protocols
🏋️‍♂️

Heavy Compound Loading

Squats/Deadlifts trigger acute hormonal spikes.

🌙

Circadian Alignment

90% of T-production occurs during REM sleep cycles.

⚖️

Adipose Regulation

Lower body fat reduces Aromatase enzyme activity.

🥗

Micronutrient Loading

Targeting Zinc, Boron, and Magnesium saturation.

Nutraceutical Stack

Ashwagandha (KSM-66)

Reduces Cortisol; +15% T-Boost

600mg

Vitamin D3 + K2

Essential for Steroidogenesis

5000 IU

Zinc Picolinate

Prevents LH suppression

30mg

Boron Citrate

Lowers SHBG; increases Free Test

10mg

Tongkat Ali

Stimulates Leydig cell activity

400mg
BIO
Scientific Mechanism: Free vs. TotalWhile synthetic options flood the system, natural optimization focuses on **increasing "Free Testosterone"** by lowering **SHBG (Sex Hormone Binding Globulin)**. Supplements like Boron don't just "create" more testosterone; they "unlock" the testosterone you already have, making it bioavailable for muscle tissue repair and libido.
No HPTA Shutdown
Zero Aromatization Risk
Liver-Safe Pathway
Technical SpecificationsCompound ID: 17β-hydroxyandrost-4-en-3-one
Chemical Profile
Anabolic/AndrogenicBaseline Standard
100:100
Molecular WeightC19 H28 O2
288.42 g/mol
Detection WindowLong-Chain Esters
3 - 5 Months
Legal StatusPrescription Controlled
Schedule III
Ester Half-Life Matrix

Propionate

~20-36 Hours

Enanthate

~4.5-5 Days

Cypionate

~7-8 Days

Undecanoate

~21-34 Days

PCT Intensity

Critical / Mandatory

Aromatization

High (E2 Conversion)

Blood Work

Bi-Monthly Recommended

HPTA Status

Rapid Suppression

⚠️Warning: Controlled substance. Misuse may result in severe cardiovascular pathology or permanent endocrine damage. Medical supervision is non-negotiable.
⚖️
Jurisdictional Compliance Statutory Framework & International Law
Western Regulations
United States (DEA)Schedule III
Regulated under the **Anabolic Steroids Control Act**. Simple possession without a prescription is a federal offense. Punishable by up to 1 year in prison and a minimum $1,000 fine for first offenses.
United Kingdom (Home Office)Class C / Schedule 4
Legal to possess for personal use if in medicinal form, but **illegal to ship or import** via mail or courier. Intent to supply carries a maximum of 14 years in prison.
Athletic & Global Policy
🚫WADA Anti-Doping Code
Testosterone is prohibited **At All Times** (In-Competition and Out-of-Competition) under the S1 Anabolic Agents category. T/E (Testosterone/Epitestosterone) ratios exceeding **4:1** trigger immediate secondary IRMS testing.
Australia (TGA)Schedule 4: Prescription Only. Illegal to import without Permit.
Canada (CDSA)Schedule IV. Importation/Exportation strictly prohibited.
⚠️
Statutory Warning & LiabilityThe use of testosterone without a medical diagnosis of hypogonadism constitutes **misuse**. Purchasing from "Underground Labs" (UGL) carries dual risks: felony criminal charges and severe health risks due to non-sterile manufacturing environments or heavy metal contamination.
CASE LAW REF: 21 U.S.C. § 844INT. CUSTOMS: HS CODE 2937.29
Clinical Data Sheet
Dosage & Protocols

Standard Unit

mg / Week

Method

IM / Sub-Q

⚕️
Medical Range (TRT/HRT)

Replacement Therapy

Split 2x weekly

70-150mg

Hypogonadism Standard

Every 7 days

100-200mg

Micro-Dosing Protocol

Daily (Daily Sub-Q)

10-20mg

Topical Absorption

Gel (10% bioavail.)

50-100mg
🔥
Performance Tiers

Introductory

Risk Level: Moderate

300-500mg

Intermediate

Risk Level: High

500-750mg

Advanced/Pro

Risk Level: Critical

750-1000mg+
Recommended Cycle Window: 12-16 Weeks
📊Physiological Impact: Serum Stability
Front-Loading Using a double dose in Week 1 to reach **Steady State Concentration** faster. Increases risk of acute side effects.
Injection Frequency Frequent pinning (EOD/ED) reduces **Serum Peaks & Troughs**, significantly lowering Aromatization and Acne.
Cruising (B&C) "Blast and Cruise" replaces PCT by dropping to TRT doses between cycles, preventing hormonal crashes but risking permanent shutdown.
⚠️Performance dosages increase cardiac strain and alter lipid profiles.
Blood markers should be checked at Week 4 and Week 12.
RECOVER
Phase: Restoration & HPTA Restart
Post Cycle Therapy
PCT is the biological "reboot" of the **Hypothalamic-Pituitary-Testicular Axis**. Without a structured pharmacological intervention, the body remains in a catabolic state, leading to muscle loss and severe psychological depression.
SERM Pharmacology

Clomiphene (Clomid)

Pituitary Stimulant

50mg / 25mg
Triggers GnRH release from the Hypothalamus.

Tamoxifen (Nolvadex)

Receptor Antagonist

40mg / 20mg
Prevents gynecomastia and boosts LH production.

hCG (Pregnyl)

Gonadotropin

500-1000 IU
Mimics LH to prevent testicular atrophy.
Critical Timeline

The Clearance Window

Wait 14-21 days after last pin

Allowing ester concentrations to drop below supraphysiological levels.

Weeks 1 - 2

Front-Loading SERMs

High-dose phase to aggressively signal the Pituitary gland.

Weeks 3 - 6

Maintenance Phase

Tapering dosage while monitoring natural libido and mood.

Month 3+

The Final Baseline

Blood work check: Total T, Free T, LH, FSH, and SHBG.

⚠️HPTA Suppression Warning
The presence of exogenous testosterone inhibits **Gonadotropin Releasing Hormone (GnRH)**. If PCT is not initiated at the correct time (after the ester has cleared), the SERMs will be ineffective as the body still perceives high hormone levels.
Vitals Monitoring System
Safety & Biomarkers
Core Diagnostic Panel
Hematology (CBC)Hydration/Blood Flow
Monitor Hematocrit; >54% indicates high stroke risk.
Lipid MatrixCardio Health
Focus on HDL (Good) suppression and LDL elevation.
Metabolic PanelHepatic Load
AST/ALT enzymes to ensure liver processing capacity.
Endocrine ProfileHormone Balance
Estradiol (E2) and Prolactin to prevent side effects.
Protocol Schedule

Wk 0

Baseline

Full metabolic & hormonal screen.

Wk 6

Mid-Check

Check E2 and Hematocrit levels.

Wk 12

Post-Cycle

Identify LH/FSH suppression levels.

Wk 20

Recovery

Verify HPTA restart after PCT.

⚠️
Clinical Risk: PolycythemiaExogenous testosterone stimulates **Erythropoiesis** (Red Blood Cell production). Elevated **Hematocrit** levels make the blood viscous ("thick"), increasing the workload on the heart and the risk of blood clots. If Hematocrit exceeds **54%**, medical intervention or dosage reduction is typically required.
Ref: PSA StabilityRef: LVH Prevention
Ready to log your latest bloodwork results?
Executive SummaryDocument ID: ENDO-FINAL-2025
Final Assessment
The Risk/Reward Paradox
While exogenous androgens offer an **anabolic advantage** (increased protein synthesis and nitrogen retention), they simultaneously engage the body’s **Negative Feedback Loop**. This results in the cessation of endogenous production, which may lead to permanent secondary hypogonadism if the HPTA fails to recover.
The Sustainability Pillar
True physiological longevity is found in **Endogenous Optimization**. Prioritizing sleep-driven GH release, micronutrient saturation (Zn/Mg), and progressive overload creates a "Natural Peak" that is maintainable, legal, and free from the cardiovascular strain associated with supraphysiological blood serum levels.
!Mandatory Medical Disclaimer

// STATUTORY NOTICE: THIS INFORMATION IS DISTRIBUTED FOR EDUCATIONAL AND HARM-REDUCTION PURPOSES ONLY. IT IS NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY DISEASE.

// CLINICAL REQUIREMENT: EXOGENOUS HORMONE USE WITHOUT A VALID DOCTOR'S PRESCRIPTION IS ILLEGAL AND MEDICALLY HAZARDOUS. UNDERGROUND LABS (UGL) PRODUCTS POSE RISKS OF SEPSIS, HEAVY METAL TOXICITY, AND SUBSTANDARD DOSING.

// INDIVIDUAL VARIABILITY: BIOCHEMICAL INDIVIDUALITY MEANS NO PROTOCOL IS UNIVERSAL. AGE, PRE-EXISTING CARDIAC CONDITIONS, AND GENETIC PREDISPOSITION TO ALOPECIA OR GYNECOMASTIA MUST BE EVALUATED BY A LICENSED ENDOCRINOLOGIST.

🚫
Absolute Contraindications Non-Negotiable Safety Thresholds
Age Under 25Developmental
Risk of premature closure of epiphyseal plates (stunting height) and permanent disruption of the developing HPTA feedback loop.
Cardiovascular ConditionsHigh Risk
Testosterone can increase hematocrit and blood viscosity, severely stressing a heart with existing hypertrophy or hypertension.
Prostate PathologyCritical
Androgens can accelerate the growth of existing prostate carcinomas or significantly worsen Benign Prostatic Hyperplasia (BPH).
Liver/Kidney DysfunctionMetabolic
Impaired filtration leads to toxic accumulation. Synthetic derivatives (especially orals) add significant strain to hepatic pathways.
Untreated Sleep ApneaSystemic
Androgen therapy is known to exacerbate obstructive sleep apnea, leading to dangerous nighttime oxygen desaturation.
Psychological InstabilityNeurological
Supraphysiological doses can amplify neurochemical imbalances, worsening symptoms of bipolar disorder or chronic aggression.
Mechanism of Harm: The Epiphyseal RiskIn users under 25, the growth plates (epiphyses) at the ends of long bones are often still active. Testosterone aromatizes into Estrogen, which is the primary signal for these plates to fuse. Introducing exogenous hormones prematurely can **permanently end height growth** and disrupt the brain's endocrine set-point before it has reached natural maturity.
Status: Final Screening Required