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HCG (Research Grade)
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HCG (Research Grade)

TRT support.

From / per milligram
$40$—/mg · 5MG
Sizes available
—
Lab certificate (COA)
Arrives with shipment
View test certificate →

· Research-grade only · Not for human consumption · 21+ ·

What is it

Human chorionic gonadotropin. Testosterone + fertility (TRT maintained).

Mechanism · Glycoprotein hormone (placenta). LH-like receptor activation. Testicular function support.

Who

Best for. Not for.

Best for

  • TRT adjunct that preserves testicular size and fertility (common off-label standard)
  • Anovulatory infertility (Pregnyl/Novarel FDA female infertility label)
  • Cryptorchidism (FDA pediatric label)
  • Male hypogonadism (FDA Pregnyl label)

Not for

  • Prostate / hormone-sensitive cancer history
  • Precocious puberty family history
  • Self-administered TRT without monitoring (risk of estradiol spike).
  • Pregnancy (label contraindication)
What it does

Mechanism, dose, ramp, risk.

Mechanism
LH analogue. Maintains testicular function during TRT.Source · PEPVERA editorial
Target dose
250-500 IU 2-3x/wk.Source · PEPVERA editorial
Ramp
Continuous.Source · PEPVERA editorial
Risks
Aromatization at high dose.Source · PEPVERA editorial
Alternatives

Compared to its siblings.

★ Currently viewing

HCG (Research Grade)

Human chorionic gonadotropin. Testosterone + fertility (TRT maintained).

Pros

  • · FDA Pregnyl/Novarel approval with 50+ year safety record.
  • · Standard TRT restart protocol.
  • · Larger evidence base than research-only kisspeptin-10.

Cons

  • · Testicular-level action only, no upstream HPG-axis stimulation.
  • · Aromatization risk at high dose, unlike gonadorelin.

Gonadorelin

Direct GnRH. Pituitary stimulation (upstream).

Pros

  • · FDA Factrel/Lutrelef

Cons

  • · HCG is the TRT-adjunct standard

See Gonadorelin →

Kisspeptin-10

Hypothalamic level (top of the HPG axis).

Pros

  • · Upstream physiologic

Cons

  • · Research-only, Phase 2

See Kisspeptin-10 →

How we verify

COA per supplier

Published, in-house, or shipment-time

Each supplier declares its own HPLC floor and COA policy. The per-supplier verifier appears on the certificate page; refund and shipping terms vary by supplier and are shown on the supplier listing.

→ How we verify suppliers→ Refund policy
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Suppliers

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❄ COLD-CHAIN · 5–9 DAYS

Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.

Dosing protocol

Week 1–2

250-500 IU 2-3x/wk.

Initiation

Week 3–4

250-500 IU 2-3x/wk.

Signal emerges

Week 5–8

250-500 IU 2-3x/wk.

Hold

Week 9–12

Cycle review

Assess

Reconstitution

Draw 20 units.

0.5 mg = 0.20 mL at 2.50 mg/mL. 10.0 doses per vial.

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HCG (Research Grade) · 5mg