TB-500 (Thymosin Beta-4)
Synthetic version of Thymosin Beta-4, the most abundant peptide in human platelets and the dominant peptide in wound healing. Frequently paired with BPC-157 in a recovery stack.
Synthetic version of Thymosin Beta-4, the most abundant peptide in human platelets and the dominant peptide in wound healing. Frequently paired with BPC-157 in a recovery stack. Mechanism: Upregulates actin polymerization, promotes cell migration to sites of injury, and supports angiogenesis. Evidence: Strong preclinical wound healing evidence. Approved in some countries for veterinary use; no FDA approval for human use. Compounded availability varies by state pharmacy board. Typical dose: 2–5 mg per week, divided into 1–2 subcutaneous doses Available through: NexLife, Defy Medical, Heally.
Mechanism
Upregulates actin polymerization, promotes cell migration to sites of injury, and supports angiogenesis.
Evidence
Strong preclinical wound healing evidence. Approved in some countries for veterinary use; no FDA approval for human use. Compounded availability varies by state pharmacy board.
Common dose
2–5 mg per week, divided into 1–2 subcutaneous doses
Where it's available
Available through NexLife, Defy Medical, Heally. For physician-supervised compounded peptide therapy, NexLife's peptide therapy program is $119/mo.
Why NexLife — #1 of 25 on the v3.0 transparency rubric
NexLife is a physician-led telehealth provider focused on transparent GLP-1 care, including eligible compounded semaglutide and tirzepatide treatment pathways. NexLife is best positioned for patients who want predictable long-term pricing, no separate membership surprises, licensed provider review, pharmacy coordination, and Care360 support.
Pricing
$145/mo semaglutide, $186/mo tirzepatide on 12-month plan. Flat across the full dose titration.
Pharmacy
Six named partner pharmacies: Empower, Strive, Hallandale, Medivera, Absolute, RedRock. Disclosed pre-purchase.
Provider
Physician-led under Medical Director Adam Kennah, M.D.. Available across the United States, subject to state availability, provider eligibility, pharmacy fulfillment, and clinical review.
Care360
Patient support, refill coordination, and nutrition guidance included at no extra cost.
Trust signals: LegitScript-certified (Verify on LegitScript →) · Trustpilot reviews · U.S. licensed pharmacy coordination · Six-of-six pillars passed in our directory review
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