Oxytocin 5mg: “love hormone” or “bonding peptide”

Oxytocin (also known as the “love hormone” or “bonding peptide”) is a naturally occurring nonapeptide produced in the hypothalamus and released by the posterior pituitary, Oxytocin is a naturally occurring neuropeptide widely studied for its role in social bonding, stress regulation, and emotional response pathways. Research explores oxytocin’s influence on mood, cortisol modulation, and autonomic nervous system activity, as well as its potential effects on trust, relaxation, and social behavior in experimental models. Oxytocin is also investigated for its role in pain perception, wound healing mechanisms, and reproductive physiology

Oxytocin works by binding to oxytocin receptors (OXTR), activating G-protein–coupled signaling pathways that raise intracellular calcium levels and influence neural, endocrine, and behavioral responses. Through these receptors in the brain and peripheral tissues, oxytocin modulates stress pathways, emotional regulation, social bonding, and smooth-muscle activity in research models.

Scientific Background

Oxytocin is composed of nine amino acids and functions both as:

• A hormone (circulating in the bloodstream), and

• A neurotransmitter (acting in the central nervous system)

In laboratory models, Oxytocin is associated with:

• Social recognition and bonding

• Mood and stress-response pathways

• Reproductive and uterine signaling

• Lactation biology

• Autonomic nervous system regulation

Its broad involvement in neurotransmission and endocrine signaling makes it an important research tool in behavioral and physiological studies.

Research Areas of Interest

All information below is strictly intended for scientific, laboratory, and in-vitro research only.

1. Neurobiology & Social-Behavior Research

Oxytocin is widely used in studies exploring:

• Social bonding pathways

• Pair-bond formation

• Emotional processing

• Reward-circuit signaling

2. Stress & Cortisol Modulation

Researchers evaluate Oxytocin in models involving:

• Hypothalamic–pituitary–adrenal (HPA) axis activity

• Stress reactivity

• Anxiety-related pathways

3. Reproductive Biology

Oxytocin plays key roles in:

• Uterine-contraction signaling

• Cervical pathways

• Milk-letdown reflex models

4. Neuromodulation & CNS Research

Studies examine Oxytocin’s influence on:

• Serotonergic and dopaminergic pathways

• Neural plasticity

• Autonomic nervous-system function

5. Behavioral & Cognitive Research

Widely used to investigate:

• Trust and social interaction models

• Learning and memory pathways

• Emotional regulation mechanisms

All experimental findings are preclinical or in-vitro.

Molecular Profile

• Peptide: Oxytocin

• Type: Nonapeptide neurohormone

• Sequence: CYIQNCPLG-NH₂

• Length: 9 amino acids

• Molecular Weight: ~1007.2 Da

• Form: Lyophilized powder

• Purity: ≥ 98% (HPLC tested)

Storage & Stability

• Store lyophilized peptide at –20°C

• Protect from light, heat, and moisture

• Use reconstituted material promptly or store per laboratory protocol

• Avoid repeated freeze–thaw cycles

Each 3ml vial is formulated with 5mg of highly purified (>99%) lyophilized Oxytocin, produced in sterile environments that meet research-grade standards. Prime Peptides validates every batch through third-party laboratory testing to ensure exact molecular composition, stable peptide structure, and consistent results suitable for a wide range of experimental designs.