Childbirth Signals
Oxytocin helps the uterus contract during labour. This is an established role of the natural hormone.
Neurobiological Signaling Research
Oxytocin — 2 mg
2 mg / vial
Oxytocin is a natural nine-amino-acid hormone. Researchers study how its receptor affects cell signals, muscle responses and communication in specific nerve circuits. Knowledge about the natural hormone does not make this laboratory listing an approved or equivalent product.
€30,00
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For in-vitro laboratory research only. Not for human or veterinary use.This information is provided for scientific and educational product context only. It does not describe or recommend human use, veterinary use, diagnosis, treatment, prevention, dosage, administration, or clinical application.
At a glance
What It Does in the Body
Milk Release
It helps trigger the release of breast milk after birth.
After-Birth Bleeding
After delivery, uterine contractions help close blood vessels where the placenta was attached. Regulated oxytocin is used in medical care to reduce heavy bleeding.
Brain Communication
Oxytocin also acts as a chemical messenger in the brain, where researchers study social and emotional responses.
Social Information
Researchers study how oxytocin affects attention to faces and social information. Results vary between people and situations.
Medical oxytocin results belong to regulated products and supervised care.
Full research details
Full research details for Oxytocin
Read the supporting laboratory, animal and human research. This section does not provide instructions for human or veterinary use, diagnosis, treatment, prevention, dosage or administration.
What this compound is
Oxytocin is a natural peptide hormone made in the brain and released into the bloodstream from the pituitary gland. It also acts as a signal within the nervous system. Researchers study how it binds to the oxytocin receptor and how that receptor changes cell activity. Knowledge about the natural hormone does not establish a clinical use or equivalence for this research listing.
MaterialNine-amino-acid peptide hormone
Main research areaOxytocin-receptor and neuroendocrine signalling
Evidence availableEstablished hormone biology; listing-specific evidence absent
Catalogue categoryNeurobiological Signaling Research
How It Works
Normal target and function. Oxytocin binds the oxytocin receptor. In uterine muscle this raises calcium inside cells and strengthens contraction. In breast tissue it contracts specialised cells around milk glands to support milk ejection. Brain oxytocin receptors take part in complex, circuit-specific signalling rather than one simple social behaviour.
The oxytocin receptor belongs to a family called G-protein-coupled receptors. When oxytocin binds, the receptor can change calcium and other signals inside a cell. In human biology, this signalling system is involved in reproduction and in brain circuits related to social information. Research results can change with brain region, cell type and study design. A receptor response in a model is not proof of a behavioural or medical outcome. Researchers therefore separate receptor chemistry from wider behavioural questions.
Receptor binding
Oxytocin is studied for how it binds to and activates the oxytocin receptor.
Calcium signals
Receptor activation can change calcium messages inside cells.
Brain circuits
Neuroscience studies examine specific circuits rather than a single simple behaviour.
Hormone biology
Normal oxytocin physiology is established, but product-specific equivalence is not.
Laboratory and Animal Research
Receptor and animal work has mapped calcium signalling, uterine muscle responses and brain-circuit effects. Results vary by tissue, receptor distribution and study conditions, so an animal behaviour cannot be translated into a simple claim about trust, bonding or mood in people.
Measurements used in these studies
- Oxytocin-receptor binding and activation
- Calcium and other messages inside receptor-bearing cells
- How responses differ between tissues and brain regions
- The limits of linking a cell signal with complex behaviour
Human Research
What human studies have reported
Regulated oxytocin medicines have established human effects in closely supervised obstetric care: receptor activation increases uterine contractions. Normal oxytocin physiology also supports milk ejection. These facts do not establish that this reference vial is a regulated medicine or suitable for any human use.
Effects researchers measured
- Strength and pattern of uterine contractions in monitored obstetric settings
- Labour-related clinical endpoints for approved, regulated oxytocin products
- Normal milk-ejection physiology, which is separate from a product claim
Adverse effects reported
- Nausea and vomiting have been reported with regulated oxytocin medicines.
- Product labels warn about excessive uterine contractions, abnormal heart rhythm or blood-pressure changes.
- Prolonged medical infusion can cause serious water intoxication; additional maternal and fetal risks are listed in regulated prescribing information.
Product boundary. These findings and warnings concern regulated oxytocin medicines used under medical supervision. They do not establish the identity, safety or clinical equivalence of this research listing.
| Evidence type | What was studied | How much evidence | What this means |
|---|---|---|---|
| Laboratory research | Receptor and cell assays | Established mechanism context | Binding and downstream cell signals are well studied. |
| Animal research | Neural circuit and behaviour models | Preclinical | Animal models help map circuits but do not predict a simple human response. |
| Human research | Natural hormone and regulated contexts | Meaningful but context-specific | Human oxytocin biology is established. That evidence does not establish this listing as an approved or equivalent product. |
Limits of the Evidence
- Complex social and neural outcomes cannot be reduced to one receptor signal.
- Findings depend on the tissue, route, formulation and exact product studied.
- The listed material has no established clinical equivalence or approved use.
Research references
Regulated oxytocin prescribing information
DailyMed
Product-specific human effects, warnings and adverse reactions; it does not apply to this listing.
Oxytocin after birthPubMed, 2025
Individual-participant analysis of randomized studies measuring postpartum blood loss.
Social-cognition trial in schizophreniaPubMed, 2017
Twelve-week placebo-controlled intranasal study with no overall social-cognition advantage.
Social-behaviour measures in autismPubMed, 2020
Controlled intranasal study with a negative primary result and mixed secondary findings.
Oxytocin compound recordPubChem
Reference information for the molecule and its identity.
Oxytocin-receptor signalling in the brainPubMed, 2020
Review of receptor pathways and neural context.
Oxytocin and neural plasticityPubMed, 2021
Discussion of circuit-specific research and uncertainty.