What is the "Loading phase" protocol for TB-500?

2-2.5 mg · 2× weekly · 4-6 weeks

What is the "Maintenance" protocol for TB-500?

2-2.5 mg · 1× weekly · up to 12 weeks

Dosing

TB-500 (Thymosin Beta-4 fragment) - dosing protocol

Standard research dose for TB-500 is 2-2.5 mg under the skin (s.c. injection) 2× weekly for 4-6 weeks (loading), followed by 2-2.5 mg weekly maintenance. Half-life significantly longer than BPC-157 — hence less frequent dosing.

Route

Subcutaneous (s.c.) or intramuscular (i.m.)

Dose

2-2.5 mg / administration

Half-life

2-3 days

Storage

-20°C lyophilized; reconstituted — 14 days at 2-8°C

Dosing regimens

Standard regimens from the literature. The choice depends on what you're trying to achieve.

Protocol

Loading phase

Dose: 2-2.5 mg
Frequency: 2× weekly
Duration: 4-6 weeks

Protocol

Maintenance

Dose: 2-2.5 mg
Frequency: 1× weekly
Duration: up to 12 weeks

Reconstitution

Reconstitute 10 mg vial with 4 mL bacteriostatic water → 2.5 mg/mL. 1 mL = 2.5 mg.

Reconstitution calculator

Side effects

TB-500 has minimal documented side effects in the research literature. Goldstein and colleagues report no systemic toxicity. Most common are transient fatigue (hours post-administration) and injection-site reaction.

See full side-effect list

Encyclopedia

Full scientific profile for TB-500

Calculator

What does this protocol cost per day?

Last reviewed: 6 May 2026by PeptidLabs Editorial

Dosing

TB-500 (Thymosin Beta-4 fragment) - dosing protocol

Route

Subcutaneous (s.c.) or intramuscular (i.m.)

Dose

2-2.5 mg / administration

Half-life

2-3 days

Storage

-20°C lyophilized; reconstituted — 14 days at 2-8°C

Dosing regimens

Standard regimens from the literature. The choice depends on what you're trying to achieve.

Protocol

Loading phase

Dose: 2-2.5 mg
Frequency: 2× weekly
Duration: 4-6 weeks

Protocol

Maintenance

Dose: 2-2.5 mg
Frequency: 1× weekly
Duration: up to 12 weeks

Reconstitution

Reconstitute 10 mg vial with 4 mL bacteriostatic water → 2.5 mg/mL. 1 mL = 2.5 mg.

Reconstitution calculator

Side effects

See full side-effect list

Encyclopedia

Full scientific profile for TB-500

Calculator

What does this protocol cost per day?

Last reviewed: 6 May 2026by PeptidLabs Editorial