I. Basic Parameters

Full Name: Human Chorionic Gonadotropin (HCG)

Specification: 5000 iu/bottle (lyophilized powder, standard packaging)

Appearance: White or off-white loose powder, easily soluble in water

Purity: Research grade ≥98%, Medical grade ≥99% (HPLC detection)

Molecular Weight: Approximately 36 kDa (glycoprotein, containing α and β subunits)

Structure: α chain 92 amino acids (homogeneous with LH and FSH), β chain 149 amino acids (unique, determining activity)

Half-life: 24–36 hours (much longer than LH, less frequent administration required)

Storage: -20℃ sealed for 3 years; 2–8℃ refrigerated for 30 days; 24 hours after preparation Use within 1 hour.
Solubility: Dissolves directly in water or sterile water; no organic solvents are needed. The prepared solution is a clear liquid.

II. Core Functions

* **Boosts Testosterone and Prevents Testicular Atrophy:** Directly stimulates Leydig cells in the testes, causing a surge in natural testosterone. Especially suitable for those who have undergone hormone cycles or have low testosterone levels, preventing testicular shrinkage and softening.

**Essential After a Cycle (PCT Core):** After exogenous hormones cease, the pituitary gland becomes dormant, and the body's own testosterone production stops. HCG quickly awakens gonadal function, helping the body transition smoothly and preventing fatigue, muscle loss, and mood swings caused by a sharp drop in hormone levels.

**Improves Male Fertility (Oligospermia, Asthenospermia):** Increases testosterone concentration in the testes (50-100 times higher than serum levels), directly supporting sperm production. Very effective for oligospermia and poor sperm motility. For women, ovulation induction and luteal regulation, combined with FSH, can stimulate follicle maturation and trigger ovulation; it can also maintain luteal function and improve the risk of infertility or miscarriage caused by insufficient progesterone.

It assists in body management (in conjunction with diet). While it doesn't directly burn fat, it optimizes hormone metabolism and reduces stubborn abdominal fat accumulation. The effect is more pronounced when combined with a low-calorie diet (don't believe the gimmick of "weight loss alone").

III. Physical Mechanism:

HCG is essentially a "long-acting substitute" for luteinizing hormone (LH). Its structure is very similar to LH, but its half-life is

dozens of times longer.

After entering the body, it directly seeks out LH receptors on the gonads (testes in men, ovaries in women) and binds firmly.

It activates the intracellular cAMP signaling pathway, initiating steroid synthesis-testosterone in men, progesterone in women, and estrogen.

For men: Testosterone concentration in the testes increases significantly, preserving spermatogenesis and preventing testicular atrophy.

For women: It simulates the physiological LH surge, inducing follicle maturation and triggering ovulation, while simultaneously maintaining the corpus luteum and ensuring progesterone supply.

Simply put: When the body lacks LH, HCG directly fills the gap, offering long-lasting, stable, and highly active effects, far more practical than LH injections.

IV. Core Advantages

Highly Active, Long-Lasting and Stable
5000 IU high-specification, minimal dosage for long-lasting effects, no need for daily injections, 2-3 times a week is sufficient, suitable for long-term conditioning.

Irreplaceable by PCT
Those who have undergone hormone cycles know that without HCG, 90% will experience low testosterone, muscle loss, and depression; it helps with a smooth recovery and maintains gains.

Protecting Fertility
Especially suitable for young people undergoing cycles, preventing testicular atrophy, preserving sperm quality, and avoiding future infertility.

Gentle and Non-Irritating, Minimal Side Effects
It is not a direct exogenous hormone, but rather awakens the body's own secretion; as long as the dosage is correct, there are few severe discomforts, and it does not increase the burden on the liver.

Suitable for both men and women, with wide applications: For men, it regulates testosterone and maintains fertility; for women, it promotes ovulation and regulates the corpus luteum; it's also useful for scientific research and endocrine experiments-one ingredient with multiple uses.

V. Disadvantages:

**High Price:** The 5000 IU specification, especially the medical-grade version, is significantly more expensive than ordinary peptides (such as MT2 and AOD9604), resulting in high costs for long-term use.

**Requires Injection, Cannot Be Taken Orally:** Glycoproteins are broken down by stomach acid when taken orally. It can only be administered subcutaneously or intramuscularly, making it unsuitable for those afraid of needles.

**Strict Dosage Control, Risks of Overdose:** Overdosage can lead to hormonal imbalances, breast tenderness (in men), ovarian hyperstimulation (in women), edema, and in severe cases, cysts.

**Fake Products and Inconsistent Purity:** Many crude urine extracts on the market are sold as high-purity recombinant HCG. They lack sufficient activity, contain many impurities, and are ineffective and prone to causing inflammation.

**Cannot Be Used Long-Term:** Long-term use can suppress the pituitary gland's own LH secretion, leading to reliance on exogenous sources. PCT is generally used for 2-3 weeks, and should not exceed 4 weeks.

**Cannot Be Used Continuously for a Long Time:** Long-term use can suppress the pituitary gland's own LH secretion, resulting in dependence on exogenous sources. PCT is generally used for 2-3 weeks, and should not exceed 4 weeks. VI. Applicable Scenarios

**Fitness/Hormonal Cycle Users (Most Commonly Used)** Essential after completing an anabolic cycle, particularly the PCT phase, to quickly restore testosterone levels, preserve muscle mass, and prevent rebound.

**Men with Low Testosterone and Weak Gonadal Function** For those with naturally low testosterone, poor energy, weak libido, or small testes, this product stimulates testosterone secretion and improves their condition.

**Men Trying to Conceive, Low Sperm Count and Poor Sperm Motility** For those with low sperm count and poor sperm motility, this product, used in conjunction with other treatments, increases testosterone levels in the testes and improves the spermatogenic environment.

**Women with Infertility and Ovulation Disorders** For those with anovulation, immature follicles, or poor luteal function, this product, used in conjunction with FSH, promotes ovulation and regulates progesterone.

**Research/Laboratory Research** Provides standard tools and materials for endocrine, reproductive, and hormone signaling pathway experiments.

VII. Precautions

Dosage must not be increased arbitrarily.

Male PCT: 500–1000 IU/dose, every other day, for 2–3 weeks;

Male fertility preparation: 250–500 IU/dose, twice a week;

Female ovulation induction: 5000 IU/dose, single ovulation trigger (as directed by doctor).

Injection method must be correct.
Dissolve in sterile water for injection. Subcutaneous injection (abdomen, thigh) or intramuscular injection (buttocks). Do not inject into veins.

Contraindications:
Absolutely do not use if you have an allergy to HCG, prostate cancer, breast cancer, ovarian tumors, unexplained vaginal bleeding, or hyperthyroidism/adrenal gland disease.

Storage must be handled carefully.
Unopened: Store at -20°C. Do not repeatedly freeze and thaw. Use within 24 hours of preparation; discard overnight.

Do not believe in "miracle weight loss drugs."

HCG does not directly burn fat. Using it alone for weight loss is ineffective. It must be combined with a low-calorie diet and exercise; otherwise, it's a waste of money.

Authentic products are paramount. Prioritize recombinant high-purity (≥99%) products; avoid cheap crude urine samples. Check testing reports (HPLC, mass spectrometry, endotoxin levels); endotoxin levels <1 EU/μg are safe.

Don't mix with other hormonal stimulants.

Concurrent use with FSH or LH-type hormones will double the side effects; professional guidance is required.

In summary, HCG 5000iu is an essential ingredient for hormone regulation, reproductive health, and cycle recovery. It's expensive but worthwhile; the key is to find authentic products, control the dosage, and adhere to contraindications. It's not a miracle drug, but when used correctly, it can solve many core hormone-related problems.

Hot Tags: Peptide Powder HCG 5000iu, China Peptide Powder HCG 5000iu manufacturers, suppliers, factory, Factory Supply BPC157 Peptide Raw Material In Stock, High Purity Peptide Raw Material CJC1295 with DAC For Research, Lab Use Peptide Raw Material TB500, Medical grade Sermorelin Peptide, Premium Ipamorelin Peptide Raw Material for Scientific Research, PT141 High Purity Peptide Raw Material For Lab Research