PERFORM Protocol
HCG Pen
HCG hormonal support protocol for testosterone and hormonal balance.
Technical Specifications
Key Attributes
- LH receptor agonism — supports endogenous testosterone synthesis at the testicular level
- Maintains testicular function and responsiveness during hormonal protocols
- Precision 25 IU per click dosing for careful, guided titration
- Supports hormonal balance in male optimization contexts
- Available through private access and suitability review in Bangkok
Biohackr.Labs provides product education, protocol guidance, and private client support. Information on this website is not medical advice and does not replace consultation with a licensed healthcare professional.



What's Included
Premium hard case.
Everything included.
Every Biohackr.Labs pen ships in our premium white hard case — holographic logo, foam-fitted interior. Inside: the precision pen, ten individually sealed 31G 8mm micro needles, and all documentation needed to begin your protocol correctly.
Precision pen
Pre-filled, batch quality-controlled pen system ready at your confirmed starting dose.
10× 31G micro needles
31G 8mm individually sealed sterile micro needles. Ten included as standard with every pen.
Protocol card
Starting dose, titration schedule, session guidance, and what to expect — specific to your protocol.
Batch QC documentation
Batch reference, preparation date, and compound specification. Not boilerplate — specific to your order.
Storage & handling guide
Temperature requirements, travel guidance, and handling notes with Bangkok climate context.
WhatsApp support access
Direct channel access throughout your protocol for questions, dose adjustments, and guidance.
Cold-Chain Delivery
Professionally packed
for Bangkok logistics.
Every Biohackr.Labs order is individually sealed, temperature-controlled, and dispatched in protective cold-chain packaging engineered to maintain product integrity from preparation to your door.
2–8°C maintained
Insulated inner liner and cold-pack keep the product in range throughout Bangkok transit.
Discreet outer packaging
Plain kraft outer box — no branding, no product name, no external indication of contents.
Tamper-evident sealing
Every product is individually sealed before dispatch. Integrity is visible at handover.





Step 01
Protocol Overview
“HCG hormonal support protocol for testosterone and hormonal balance.”
The HCG 5000 IU Pen delivers 5000 IU of Human Chorionic Gonadotropin across 200 precision clicks at 25 IU per click. HCG mimics luteinizing hormone (LH) at testicular receptors, supporting endogenous testosterone production and testicular function. It is used in male hormonal optimization protocols — particularly as support during or following other hormonal protocols, or to maintain natural testosterone production in clients managing hormonal balance. Available through private access in Bangkok and throughout Thailand.
Step 02
Mechanism of Action
HCG binds to LH receptors on Leydig cells in the testes, stimulating testosterone synthesis and secretion. This LH-mimicking action maintains testicular responsiveness and endogenous testosterone output — which can otherwise be suppressed during periods of exogenous hormonal supplementation. At the therapeutic dose range supported by the 25 IU per click precision, HCG can be titrated carefully to support the desired level of endogenous hormonal activity.
Suggested Use
Bi-weekly subcutaneous administration. Dosing confirmed through private access and suitability review — not a standalone starting protocol.
Who This Protocol Is For
Designed for male clients in Bangkok and Thailand managing hormonal balance, testosterone optimization, or testicular support as part of a broader hormonal protocol. Suitability review and private onboarding are required before protocol access is confirmed.
Storage — Bangkok & Thailand
Refrigerate between 2–8°C. HCG is one of the most temperature-sensitive compounds in the range. In Bangkok, strict cold chain maintenance is essential — HCG reconstituted or in pen form must be refrigerated at all times between uses.
Potential Side Effects
- Fluid retention — associated with LH receptor activation; typically mild at protocol doses
- Mood fluctuation — LH and testosterone changes can affect mood; report through private access if significant
- Acne — associated with testosterone elevation; managed through dose adjustment if required
- Headache — reported during initial protocol period
- Gynecomastia risk — at excessive doses or in individuals with aromatisation sensitivity; monitor and report
- Injection site reactions — mild redness or discomfort at administration site
Private Access Required
All Biohackr.Labs protocols are guided through private client onboarding. Dosing and administration are confirmed per client before access is granted.
Enquire on WhatsAppThe Compound
What Is HCG?
Gonadotropin — Endogenous Testosterone & Hormonal Support
HCG (Human Chorionic Gonadotropin) is a naturally occurring gonadotropin hormone that mimics luteinizing hormone (LH) at testicular receptors. In male physiology, LH is the primary signal that stimulates Leydig cells in the testes to produce testosterone. HCG's structural similarity to LH means it activates the same testicular receptors — directly stimulating endogenous testosterone synthesis. This makes HCG a foundational tool in male hormonal optimization: it maintains testicular function and testosterone production when the natural LH signal is suppressed (as occurs with exogenous testosterone use) or when testicular stimulation is needed to restore natural hormonal production.
Mechanism of Action
How It Works
HCG binds to LH receptors on Leydig cells in the testes, triggering the steroidogenesis cascade that produces testosterone. Unlike direct testosterone supplementation (which suppresses the HPT axis), HCG stimulates the testes from below — maintaining testicular size, testosterone production, sperm production, and Leydig cell responsiveness. At therapeutic doses, HCG can restore or maintain testosterone production in men with secondary hypogonadism (pituitary LH deficiency) or those on testosterone replacement therapy (TRT) who wish to maintain testicular function. The 25 IU per click precision of the 5000 IU pen allows careful titration to the minimal effective dose.
Evidence Level
FDA-approved compound with extensive clinical evidence in multiple indications
Research Landscape
HCG has decades of clinical evidence across its approved indications: cryptorchidism (undescended testes) in boys, hypogonadism in men, and fertility support. Its use in male testosterone optimization is well-documented in clinical practice, with extensive published case series and observational data on HCG use alongside TRT for testicular maintenance. The mechanism is exceptionally well-understood — HCG's LH receptor binding and testicular steroidogenesis are among the best-characterized pathways in endocrinology. Bangkok and Thailand have active testosterone optimization and TRT clinic ecosystems where HCG is routinely used.
Biohacking & Community Context
In the male optimization community, HCG is most commonly used in two contexts: (1) as an adjunct to TRT to maintain testicular function, size, and intra-testicular testosterone (which supports sperm production, mood, and libido even during exogenous testosterone use); and (2) as a post-cycle or standalone stimulator for men seeking to restore natural testosterone production. The community has well-established protocols: 250–500 IU 2–3 times per week alongside TRT to maintain testicular function. Dr. Crisler, a pioneer in TRT optimization medicine, popularized the concept of HCG as essential for "complete" TRT — addressing the testicular atrophy that occurs with testosterone monotherapy. Bangkok's TRT and optimization clinics routinely include HCG in male hormonal protocols.
Protocol Benefits
Reported Benefits & Research Findings
Endogenous Testosterone Preservation
Maintains testicular testosterone production by mimicking LH at Leydig cell receptors — preserving endogenous testosterone capacity during or between hormonal protocols.
Testicular Function & Size
Prevents the testicular atrophy associated with suppressed LH signalling. Clinically shown to maintain testicular volume during TRT — a key quality-of-life outcome for men on hormonal protocols.
Intra-Testicular Testosterone
Maintains high intra-testicular testosterone concentrations that support sperm production and Sertoli cell function — relevant for men on TRT who wish to preserve fertility potential.
Hormonal Axis Responsiveness
Maintains Leydig cell responsiveness to LH stimulation — critical for men seeking to transition off hormonal support or restore natural production after a cycle.
Secondary Hypogonadism Treatment
First-line treatment for secondary hypogonadism (low testosterone due to insufficient LH stimulation) — with FDA approval and extensive clinical validation for this specific indication.
Research Data
Key Findings & Statistics
FDA
Approved — multiple indications
FDA-approved for hypogonadism, cryptorchidism, and fertility support in men — extensive clinical safety and efficacy data
FDA approval history
25 IU
Per click precision dosing
The 5000 IU pen delivers 25 IU per click — enabling precise bi-weekly dosing protocols from 250 to 500+ IU per session
Biohackr.Labs specifications
2–3x
Community protocol dosing frequency per week
Standard HCG maintenance protocol alongside TRT: 250–500 IU, 2–3 times weekly subcutaneous — established community and clinical practice consensus
TRT community protocols
LH receptor
Binding target in testes
HCG's structural homology to LH allows it to bind LH receptors on Leydig cells with essentially the same affinity — an unusually clean mechanism of action
Endocrinology textbooks
HCG is the only compound in the Biohackr.Labs PERFORM range with direct FDA approval for its primary male optimization application. The mechanism is exceptionally well-understood. Testosterone monitoring during HCG use is standard clinical practice. Suitability review required before protocol access is granted.
Same Collection
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Private Access
Premium imported peptide pens in Bangkok.
Private protocol access · European-sourced · Quality-controlled · Thailand delivery
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