Post Cycle Therapy Calculator

Author: Henrick Yau
- 7 October 2026
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Calculators

Calculate your Post Cycle Therapy (PCT) protocol based on your steroid cycle details, compounds used, and recovery goals. This calculator helps bodybuilders and athletes plan their hormone recovery strategy.

Cycle Information

mg

Personal Information

Health Factors

Slow Fast
Above Average (6/10)
Low High
Average (5/10)

Advanced Settings

The Science of Post Cycle Therapy

Post Cycle Therapy is crucial for restoring natural hormone production after anabolic steroid use. Understanding the HPTA (Hypothalamic-Pituitary-Testicular Axis) recovery process helps optimize PCT protocols.

Key Components of PCT
  • SERMs: Selective Estrogen Receptor Modulators (Clomid, Nolvadex) stimulate LH and FSH production
  • HCG: Human Chorionic Gonadotropin mimics LH to maintain testicular function
  • Aromatase Inhibitors: Control estrogen levels during recovery phase
  • Natural Supplements: Support overall recovery and well-being
  • Timing: When to start PCT based on compound half-lives
  • Duration: How long to run PCT for optimal recovery
HPTA Recovery Process
  • Suppression: Exogenous hormones shut down natural production
  • Clearance: Waiting for compounds to clear the system
  • Stimulation: Using SERMs to restart natural hormone production
  • Normalization: Gradual return to baseline hormone levels
  • Monitoring: Blood work to track recovery progress
Factors Affecting Recovery
  • Cycle Length: Longer cycles require more intensive PCT
  • Compound Types: Some steroids are more suppressive than others
  • Dosages: Higher doses typically mean longer recovery times
  • Age: Older users may recover more slowly
  • Previous Experience: Multiple cycles can affect recovery capacity
  • Genetics: Individual variation in recovery rates

Disclaimer: This calculator provides educational information only and should not replace professional medical advice. Post Cycle Therapy involves prescription medications and should be supervised by a qualified healthcare provider. Always consult with a doctor before starting any PCT protocol. The use of anabolic steroids carries significant health risks and may be illegal in your jurisdiction.

What the Post Cycle Therapy Calculator does

The Post Cycle Therapy (PCT) Calculator is an easy-to-use tool that helps athletes and bodybuilders plan a structured recovery after using anabolic steroids. It assesses key details of your steroid cycle—such as compound type, duration, dosage, and personal health data—to generate a step-by-step protocol for hormone normalisation.

The calculator estimates when to begin PCT, how long it should last, and which recovery compounds (like Clomid or Nolvadex) to use. It also suggests whether additional support such as HCG or supplements would benefit your recovery.

How the intensity score is calculated

The tool uses known pharmacological data and physiological recovery models to score the suppression caused by your cycle. Based on that score, it recommends a protocol with the appropriate intensity.

Example Intensity Formula:
Intensity Score = Cycle Length Factor + Compound Suppression + Dosage-to-Weight Ratio + Age Factor + Recovery Rate Adjustment + Additional Compounds Impact

Each element, such as whether 19-nor compounds were used or if HCG was taken, contributes to this score. The higher the score, the more aggressive your PCT needs to be.

Steps to plan your recovery protocol

Using the PCT Calculator is straightforward and takes just a few minutes:

  • Step 1: Enter your cycle details: duration, main compound, dosage, and ester type.
  • Step 2: Input personal data like age, weight, and recovery goals.
  • Step 3: Include extra factors such as HCG use or previous cycle count.
  • Step 4: Adjust the sliders for recovery rate and sensitivity to side effects.
  • Step 5: Click “Calculate PCT Protocol” to view your plan.

The tool will generate:

  • A recommended PCT start time and duration
  • Detailed weekly dosing of suggested compounds
  • A testosterone recovery timeline with visual charts
  • Supplement and monitoring suggestions

Why a data-based PCT plan matters

Many users underestimate how much their hormonal systems are affected after a steroid cycle. This tool gives you a data-based plan for managing recovery, reducing long-term health risks, and preserving gains.

Unlike general health tools such as the calorie needs or BMR calculator, which guide energy requirements and daily intake, this PCT tool specifically focuses on post-anabolic recovery. It complements broader tools like:

Questions about post-cycle recovery

When should I start PCT after my cycle?

The calculator determines the right delay based on the compound’s half-life and ester type. For example, long-acting esters like Deca may require a 3-5 week delay before starting PCT.

What if I didn’t use HCG during my cycle?

The calculator takes this into account and may recommend adding HCG in the lead-up to your PCT start date to restore testicular function more effectively.

Is this calculator suitable for first-time users?

Yes. It provides guidance based on your experience level. First-timers are usually given moderate protocols with detailed explanations and monitoring advice.

Can this replace medical advice?

No. The tool is for informational use only. Always consult a licensed healthcare provider before starting any hormonal protocol.

How does this differ from a steroid dosage guide or anabolic cycle planner?

While a steroid dosage guide helps structure your cycle, this tool is focused purely on recovery after the cycle. It bridges the gap between performance and long-term well-being.

Maximise Your Recovery

Post Cycle Therapy isn’t just about taking a few pills and hoping for the best. It requires planning. With this calculator, you’re using a structured method to ensure your body returns to normal function safely and efficiently.

Pair this tool with a nutrition tracker or calorie deficit guide to further support your recovery and physique goals.