PRODUCT

HCG (5000 IU Vial)

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Quickstart Highlights

Human Chorionic Gonadotropin (HCG) is a glycoprotein hormone that mimics luteinizing hormone (LH) by binding to LH receptors in the gonads[1]. With a 36‑hour half‑life (compared to LH’s 30 minutes), HCG provides sustained stimulation of testosterone production in men and ovulation induction in women[2]. This educational protocol presents a practical three‑times‑weekly subcutaneous approach for maintaining testicular function and fertility.

Reconstitute: Add 2.0 mL bacteriostatic water → 2,500 IU/mL concentration.
Typical dosing: 500 IU subcutaneous, 3× weekly (Mon/Wed/Fri) for testicular maintenance during TRT.
Easy measuring: At 2,500 IU/mL, 1 unit = 25 IU on a U‑100 insulin syringe.
Storage: Lyophilized: refrigerate at 2–8 °C (35.6–46.4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) for up to 60 days.

Reconstitution

Draw 2.0 mL bacteriostatic water with a sterile syringe.
Inject slowly down the vial wall; avoid foaming or vigorous shaking.
Gently swirl or roll until the powder fully dissolves (clear solution).
Label vial with reconstitution date and concentration (2,500 IU/mL); refrigerate immediately at 2–8 °C (35.6–46.4 °F) .
Label vial with reconstitution date and concentration (2,500 IU/mL); refrigerate immediately at 2–8 °C (35.6–46.4 °F).

Protocol Overview

Goal:Maintain testicular function and fertility during testosterone replacement therapy or restore endogenous testosterone production post‑cycle[3][7].
Schedule:Subcutaneous injections 3 times weekly for 8–16 weeks.
Dose Range:Standard maintenance: 500 IU per injection (1,500 IU/week); high‑dose recovery: 1,500–2,500 IU per injection.
Reconstitution:2.0 mL per 5000 IU vial (2,500 IU/mL) for precise insulin‑syringe measurements.
Storage:Refrigerate lyophilized and reconstituted vials; reconstituted solution stable up to 60 days.

Dosage Protocols

High‑Dose Recovery:1,500–2,500 IU SC 3×/week for 3–6 months to restart spermatogenesis and testosterone production after anabolic steroid cessation[5][6].
Frequency:Due to HCG’s 36‑hour half‑life, 3 times weekly is sufficient; daily injections are unnecessary[2].
Cycle Length:8–12 weeks typical; extend to 16+ weeks for severe suppression cases.
Timing:Consistent days/times; rotate injection sites (abdomen, thighs).

Storage Instructions

Lyophilized:Proper storage maintains HCG potency throughout your protocol. Lyophilized (Unreconstituted): Refrigerate at 2–8 °C (35.6–46.4 °F). Can be stored at room temperature but refrigeration is preferred for long‑term storage[8]. Reconstituted: Must be refrigerated at 2–8 °C (35.6–46.4 °F). Stable for up to 60 days when using bacteriostatic water[9]. Do NOT freeze reconstituted HCG; freezing denatures the protein[9]. Store in original packaging or light‑protected container; minimize light exposure. Label vial with reconstitution date; discard after 60 days or if cloudiness/particles appear.
Reconstituted:Must be refrigerated at 2–8 °C (35.6–46.4 °F). Stable for up to 60 days when using bacteriostatic water[9].

Important Notes

Practical considerations for safe and effective HCG administration.

Sterile Technique: Use new sterile insulin syringes; wipe vial stopper with alcohol before each draw; never reuse needles[10].
Site Rotation: Rotate between abdomen (2+ inches from navel), outer thighs, and upper arms to prevent irritation and lipohypertrophy[10].
Injection Speed: Inject slowly; wait 5–10 seconds before withdrawing needle to ensure full dispersal.
Monitoring: Consider periodic testosterone and estradiol testing; HCG can increase estradiol conversion in some individuals.
Documentation: Track injection dates, doses, and sites for consistency throughout the protocol.

How It Works

HCG is a glycoprotein hormone structurally similar to luteinizing hormone (LH). It binds to the same LH receptors in testicular Leydig cells, stimulating endogenous testosterone production[1]. Unlike endogenous LH (which has a 30‑minute half‑life), HCG’s extended 36‑hour half‑life provides sustained gonadal stimulation[2]. This makes it effective for maintaining testicular function during exogenous testosterone therapy, where natural LH production is suppressed. Studies show that low‑dose HCG (250–500 IU every other day) maintains intratesticular testosterone at near‑baseline levels in men receiving testosterone therapy[4]. Higher doses (1,500–5,000 IU multiple times weekly) are used to restore spermatogenesis and endogenous testosterone production in cases of hypogonadotropic hypogonadism or post‑anabolic steroid recovery[5][6].

Lifestyle Factors

Sleep Optimization: Aim for 7–9 hours of quality sleep; sleep deprivation significantly impairs testosterone production and fertility.
Stress Management: Chronic stress elevates cortisol, which antagonizes testosterone production; incorporate stress‑reduction practices.
Nutrition: Maintain adequate dietary fats (especially saturated and monounsaturated) for optimal steroid hormone synthesis; ensure sufficient protein and micronutrient intake (zinc, vitamin D, magnesium).
Exercise: Resistance training supports anabolic hormone production; avoid chronic excessive endurance exercise which can suppress testosterone.
Avoid Testicular Heat: Minimize hot tub/sauna use, tight underwear, and laptop-on-lap positioning to protect spermatogenesis.
Alcohol Moderation: Excessive alcohol consumption impairs testosterone production and testicular function.

HCG (5000 IU Vial)

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