For research and education only · Not reviewed by a medical professional · Disclaimer · Contains affiliate links

Peptide encyclopedia/ HCG
Illustration for HCG

THE PEPSRADAR ENCYCLOPEDIA

HCG

Gonadal hormone and fertility research

Research topics · Sources checked 2026-10-04

Read the studies ↓

HCG AT A GLANCE

The question behind the molecule.

Read findings and limitations ↓
1 selected publicationContext mattersShort-term hormonal and symptom outcomes should not be converted into pregnancy, live-birth, or long-term fertility claims.

What is HCG?

Human chorionic gonadotropin is a glycoprotein hormone involved in reproductive signaling. The featured study compared hormonal approaches in men with hypogonadism seeking to preserve fertility.

Biological role or research focus

Gonadal hormone and fertility research.

Short-term hormonal and symptom outcomes should not be converted into pregnancy, live-birth, or long-term fertility claims.

Role reference: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Names you may encounter

Human chorionic gonadotropin · hCG

Search terms can include brands, combinations, or historical names. They are not automatic product equivalents.

Class / identity
Glycoprotein hormone
Research focus
Gonadal hormone and fertility research
Featured evidence
Human randomized comparative trial
Source check
October 4, 2026

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Biology & proposed mechanism

HCG acts through luteinizing-hormone receptor signaling. An increase in testosterone is an endocrine outcome and does not, by itself, prove conception or a live birth.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Research context & identity

This is a reproductive-endocrinology profile. Fertility treatment depends on the underlying diagnosis and exact medicine, rather than general gym or recovery protocols.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

What does the evidence show?

Selected published evidence, with the population, findings, and limits kept together. These original summaries draw on publication abstracts; they are not a systematic review.

Human randomized comparative trial · 2018

HCG and clomiphene in male hypogonadism

What did this publication test, and what did it find?

Population / model
Men with hypogonadism who wished to preserve fertility.
Study design
Randomized three-month comparison of HCG, clomiphene, and their combination.
Main finding
Testosterone increased in all three groups, without a significant between-group difference. The combined group had a greater reported improvement in symptom scores.
Limits & context
Short-term hormonal and symptom outcomes should not be converted into pregnancy, live-birth, or long-term fertility claims.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Read the original paper for methods, adverse events, funding, and conflicts of interest. Publisher access may require a subscription.

Further reading · 4 additional publication links

Exact-name PubMed search checked 2026-10-04. These records have not been appraised. A name match can include related compounds, combinations, or other formulations; it does not establish safety or benefit.

Hyperglycosylated hCG. ↗
Placenta · 2007 Oct · Journal Article, Review

Total hCG tests. ↗
Clinica chimica acta; international journal of clinical chemistry · 2011 Nov 20 · Journal Article

Hyperglycosylated hCG and pregnancy failures. ↗
Journal of reproductive immunology · 2012 Mar · Journal Article

Familial HCG syndrome. ↗
Journal of reproductive immunology · 2012 Jan · Case Reports, Journal Article

Repeat this PubMed search ↗
Search additional PubMed records ↗

New editorial updates

Loading approved updates…

New source discoveries

Links appear automatically. Unreviewed discoveries are not verified medical findings.

Loading recent discoveries…

Explore the latest source feed →

Safety & precautions

Safety & what remains unknown

Hormonal interventions require diagnosis-specific monitoring. This comparison cannot establish the suitability of an unverified research preparation.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Evidence boundaries

Short-term hormonal and symptom outcomes should not be converted into pregnancy, live-birth, or long-term fertility claims.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

This is not a complete list of contraindications, interactions, or adverse effects. Medicine labels apply to specific products and indications; research-use listings are not interchangeable with approved medicines.

What are people discussing?

No editorial transcript note has been reviewed for this profile yet. Below are the matching video records available for exploration; title and caption matches are not verified claims.

Watch the source discussions

2 matching video records · 2 with captions indexed.

Across the full library, 30 caption files are indexed from 20,199 inventoried videos. Most transcripts remain unreviewed. Select a thumbnail or timestamp to watch inside PepsRadar. Thumbnail images load from YouTube.

Sources & supplier listings

Listings are grouped by the vendor’s stated identity. Blends and modified derivatives are labeled separately. Inclusion is not a quality assessment or an endorsement.

No verified matching catalog listing yet

We have not added a supplier for this profile. Missing products and coded listings are not filled with guesses.

Catalog checked 2026-10-04. Seller listings retain their stated intended use. Shops covered: BioLongevity Labs, BioLongevity Supplements, American Peptides, PSPeptides. This is not a market-wide comparison. Affiliate participation does not determine evidence or editorial coverage.

Questions worth asking

  • Does a testosterone increase prove improved fertility?
  • What material, population, and route were actually studied?
  • Short-term hormonal and symptom outcomes should not be converted into pregnancy, live-birth, or long-term fertility claims.
  • What adverse effects, uncertainty, and conflicts of interest does the original source report?

Frequently asked questions

Does a testosterone increase prove improved fertility?

No. Hormone concentrations and symptoms are different endpoints from sperm quality, conception, and live birth.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

Does the publication verify a supplier’s product?

No. The tested material and a commercial listing need separate identity and batch checks. A research-use disclaimer does not establish clinical suitability.

Source: Clomiphene citrate and human chorionic gonadotropin are both effective in restoring testosterone in hypogonadism: a short-course randomized study. · 2018 ↗

References & editorial record

Source notes checked 2026-10-04. Original PepsRadar summaries. Not reviewed by a medical professional. Topic grouping is editorial navigation, not a treatment recommendation. Video notes specify which excerpts were reviewed; no full transcripts are published.

For research and education only. This page does not provide medical advice, diagnosis, or treatment. Research-only listings are not instructions for human use.

WATCH ON PEPSRADAR

Watch video