REPAIR · II

TB-500

Systemic mend.

From / per milligram

$48$4.8/mg · 10MG

Sizes available: 5mg · 10mg · 30mg
Lab certificate (COA): Supplier-published sample

Compare 7 suppliers ↓View test certificate →

· Research-grade only · Not for human consumption · 21+ ·

What is it

Thymosin Beta-4 fragment. Systemic muscle, tendon, and cardiac repair.

Mechanism · TB4 active fragment. Actin sequestering + G-actin binding (animal models).

Who

Best for. Not for.

Best for

Systemic repair across muscle, tendon, and cardiac tissue.
Stack with BPC-157 for local plus systemic synergy.
Adjunct for tendon repair.

Not for

Active malignancy or cancer history (theoretical proliferation concern).
Pregnancy or nursing.
Long-term continuous use.

What it does

Mechanism, dose, ramp, risk.

Mechanism: Thymosin Beta-4 fragment. Promotes systemic recovery via actin sequestration.Source · PEPVERA editorial
Target dose: 2 mg / week, single dose.Source · PEPVERA editorial
Ramp: 8 weeks loading, then 2 mg / month maintenance.Source · PEPVERA editorial
Risks: Few reports. Pair with BPC-157.Source · PEPVERA editorial

Alternatives

Compared to its siblings.

★ Currently viewing

TB-500

Thymosin Beta-4 fragment. Systemic muscle, tendon, and cardiac repair.

Pros

· Greater systemic reach than BPC-157.
· Lower cost than full-length thymosin-beta-4.
· More common availability than thymosin-beta-4.

Cons

· Less potent at a local injection site than BPC-157.
· Fragment only; thymosin-beta-4 carries RegeneRx Phase 2 evidence as the full peptide.

BPC-157

Local site action. Gastric BPC peptide.

Pros

· Local site potency

Cons

· Less systemic reach

See BPC-157 →

Thymosin Beta-4

Full 43-aa native peptide (vs fragment).

Pros

· RegeneRx Phase 2 evidence

Cons

· More expensive
· Less common

See Thymosin Beta-4 →

How we verify

COA per supplier

Published, in-house, or shipment-time

Each supplier declares its own HPLC floor and COA policy. The per-supplier verifier appears on the certificate page; refund and shipping terms vary by supplier and are shown on the supplier listing.

→ How we verify suppliers → Refund policy

Tendons Joints Healing Muscle polypeptide

Suppliers

Compare 7 suppliers

Supplier	Price	COA	Ships
NG PeptidesUS	$35$3.50/mg · 10mg	Sample COA published	3 days	Out of stock
Ameano PeptidesUS	$48$4.80/mg · 10mg	Sample COA published	2 days
Ascension PeptidesUS	$60$12.00/mg · 5mg	Sample COA published	3 days
Verified PeptidesUS	$62$6.20/mg · 10mg	Sample COA published	3 days	Out of stock
Orion PeptidesUS	$64.99$6.50/mg · 10mg	COA with shipment	3 days	Out of stock
Royal PeptidesUS	$70$7.00/mg · 10mg	Sample COA published	3 days
SwissChemsUS	$254.95$8.50/mg · 30mg	COA with shipment	3 days

❄ COLD-CHAIN · 5–9 DAYS

Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.

Dosing protocol

Week 1

2 mg / week, single dose.

Begin near site

Week 2–4

2 mg / week, single dose.

Daily, rotate

Week 5–6

2 mg / week, single dose.

Taper option

Week 7+

Maintenance