Medical supervision required

Thymosin Beta-4 Side Effects

Thymosin Beta-4 (TB-4) is a naturally occurring protein found in virtually all human cells and is well tolerated as a therapeutic peptide. Note that TB-500 is a synthetic fragment of Thymosin Beta-4 with similar properties.

Very well tolerated Medically reviewed by Dr. Ploy Pitayanon, MD

This page is for educational purposes only and is not medical advice. Side effects vary between individuals. All protocols at Peptides Thailand are individually prescribed by licensed physicians. Contact your doctor with any concerns during treatment.

Side effects to be aware of

Injection site reactions

Common

Mild redness or swelling at the injection site. Resolves within 24 to 48 hours typically.

Mild fatigue

Uncommon

Occasionally reported in the first few days. Usually considered part of the healing response.

Who is a good candidate?

Generally suitable for
  • Adults recovering from muscle, tendon, ligament, or cardiac tissue injuries
  • Those seeking broad systemic healing support
Not suitable for
  • Patients with active cancer history

Contraindications

Your physician screens for these conditions before prescribing. Do not attempt to self-prescribe.

  • Active cancer (pro-angiogenic - theoretical concern)
  • Pregnancy and breastfeeding

When to contact your physician

  • Nausea, vomiting, or digestive symptoms that are severe or do not ease within two weeks
  • Any chest pain, palpitations, or significant change in heart rate
  • Signs of allergic reaction: rash, hives, swelling of the face or throat, or difficulty breathing
  • Injection site reactions that worsen, spread, or do not resolve within 72 hours
  • Any new or worsening symptoms that concern you, regardless of whether they seem related to your protocol

If you are ever unsure, contact your physician. That is what they are there for.

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