---
title: "Human Chorionic Gonadotropin"
description: "HCG mimics LH and maintains testicular production during a cycle. Used to prevent testicular atrophy (250-500 IU 2×/week on-cycle) or as a pre-PCT blast (2000 IU EOD × 3 weeks). Indispensable for long cycles."
lang: en
dateModified: 2026-05-25
canonical: https://anaprotokol.com/en/molecule/hcg
---

# Human Chorionic Gonadotropin

HCG mimics LH and maintains testicular production during a cycle. Used to prevent testicular atrophy (250-500 IU 2×/week on-cycle) or as a pre-PCT blast (2000 IU EOD × 3 weeks). Indispensable for long cycles.

**Catégorie** : Anti-œstrogène & SERM
**Voie d'administration** : Injectable
**Demi-vie** : 24–36 heures
**Détection** : 2–3 semaines
**Aromatisation** : Non
**Progestine** : Non
**Hépatotoxique** : Non
**PCT requise** : Non

**Autres noms** : HCG

## Effets
- Testicular maintenance during cycle
- Facilitates HPTA restart
- Maintains fertility
- Increases endogenous testosterone

## Effets secondaires
- Increased aromatization (↑ estrogen)
- Breast sensitivity
- Mild water retention
- LH desensitization if overdosed

## Suppléments de soutien
- AI (during use to manage estrogen)
- Nolvadex or Clomid (post-HCG)

## Synergies
- Nolvadex
- Clomid
- AI

## À éviter
- Continuous use > 4-6 weeks (desensitization)
- Post-cycle without a SERM
- Excessive doses

## Dosage masculin
- Débutant : 500 UI × 2/sem
- Intermédiaire : 500–1000 UI × 2/sem
- Avancé : 1000–2000 UI × 2/sem

## Dosage féminin
Medical use only

**Fréquence** : 2-3× / week