Thymosin Beta-4
Full TB-4 (vs TB-500 fragment).
- Sizes available
- 2mg · 5mg · 10mg
- Lab certificate (COA)
- Arrives with shipment
· Research-grade only · Not for human consumption · 21+ ·
TB-500 native full peptide. Muscle / cardiac repair.
Mechanism · Native thymosin β-4 (43-aa peptide). Actin-binding repair signaling.
Best for. Not for.
Best for
- Muscle / tendon / cardiac repair users prioritizing
- Wound healing research (RegeneRx Phase 2)
- Users who want the full peptide instead of the TB-500 fragment
Not for
- Active malignancy or cancer history (proliferation theoretical concern)
- Pregnancy or nursing
- Long-term continuous use (long-term safety not established)
Mechanism, dose, ramp, risk.
- Mechanism
- Full thymosin beta-4 protein. Less common than TB-500 fragment.Source · PEPVERA editorial
- Target dose
- 5 mg / week.Source · PEPVERA editorial
- Ramp
- 8 weeks.Source · PEPVERA editorial
- Risks
- Few reports.Source · PEPVERA editorial
Compared to its siblings.
Thymosin Beta-4
TB-500 native full peptide. Muscle / cardiac repair.
Pros
- · Full 43-aa peptide versus TB-500 active fragment.
- · Distinct molecular target from BPC-157's angiogenesis pathway.
Cons
- · Higher cost than TB-500 fragment.
- · Less common in bodybuilding use than TB-500.
- · Different mechanism limits direct stacking versus BPC-157 synergy.
TB-500
Active fragment. Short, cheaper, more commonly used.
Pros
- · Cost-effective
- · Popular in bodybuilding
Cons
- · Fragment vs full peptide
See TB-500 →
BPC-157
Different mechanism. Angiogenesis + NO signaling.
Pros
- · Synergistic stack
Cons
- · Different molecular target
See BPC-157 →
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.
Compare 6 suppliers
| Supplier | Price | COA | Ships | |
|---|---|---|---|---|
| Pure Peptide UKUK | $16$8.00/mg · 2mg | In-house COA | 4 days | Out of stock |
| SwissChemsUS | $23.96$11.98/mg · 2mg | COA with shipment | 3 days | |
| Pure Peptide UKUK | $36$7.20/mg · 5mg | In-house COA | 4 days | Out of stock |
| SwissChemsUS | $38.95$7.79/mg · 5mg | COA with shipment | 3 days | |
| SwissChemsUS | $42.36$4.24/mg · 10mg | COA with shipment | 3 days | |
| Ameano PeptidesUS | $75$7.50/mg · 10mg | Sample COA published | 2 days |
Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.
Week 1–2
5 mg / week.
Initiation
Week 3–4
5 mg / week.
Signal emerges
Week 5–8
5 mg / week.
Hold
Week 9–12
Cycle review
Assess
Draw 20 units.
0.2 mg = 0.20 mL at 1.00 mg/mL. 10.0 doses per vial.
niche · VI · SwissChems
Thymosin Beta-4 · 2mg