Oxytocin vs TB-500

A side-by-side comparison from PeptideSciences101, the open peptide reference.

Overview

Oxytocin is primarily a hormonal peptide, while TB-500 is used for healing & recovery.

This page compares Oxytocin and TB-500 across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.

Side-by-side comparison

OxytocinTB-500
CategoryHormonalHealing & Recovery
Regulatory status (US)FDA approvedCompounding (Rx) — Apr 2026
Typical dosageVarious2-5 mg
Frequencyas prescribedweekly
Reported benefitsSocial bonding, anxiety reduction, mood supportTissue repair, improved flexibility, reduced inflammation, enhanced recovery, hair growth stimulation
Reported side effectsGenerally safe when prescribedMinimal side effects. Rare: headache, nausea, injection site reactions

Key differences

Primary use. Oxytocin is categorised under Hormonal, while TB-500 falls under Healing & Recovery. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.

Regulatory status. Oxytocin: FDA-approved. TB-500: not FDA-approved; compounding permitted with a prescription as of April 2026.

Dosing. Oxytocin is typically dosed at Various (as prescribed). TB-500 is typically dosed at 2-5 mg (weekly).

Can you stack them?

Some protocols combine peptides, but stacking Oxytocin and TB-500 has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.

Frequently asked questions

What is the difference between Oxytocin and TB-500?
Oxytocin is primarily a hormonal peptide, while TB-500 is used for healing & recovery. Oxytocin is FDA-approved for one or more indications, whereas TB-500 is not FDA-approved; compounding permitted with a prescription (as of April 2026).
What is Oxytocin used for?
Bonding and relaxation hormone.
What is TB-500 used for?
Tissue repair, flexibility, inflammation.
Can you take Oxytocin and TB-500 together?
Some users combine peptides within a single protocol, but stacking Oxytocin and TB-500 has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
Is Oxytocin or TB-500 FDA-approved?
Oxytocin is FDA-approved for one or more indications. TB-500 is not FDA-approved; compounding permitted with a prescription (as of April 2026).

Read the full articles

  • Oxytocin — full monograph: mechanism, research, dosing & references
  • TB-500 — full monograph: mechanism, research, dosing & references

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