Overview
In plain English
The Wolverine Stack is BPC-157 and TB-500 supplied together — 10mg of each in a single lyophilised vial.
It is the most common pairing in the tissue-repair research category, because the two compounds are studied for different parts of the repair process rather than the same one: BPC-157 for blood supply into damaged tissue, TB-500 for the machinery cells use to migrate into it. Strictly for laboratory research use. Not for human or veterinary consumption.
- What it isBPC-157 10mg + TB-500 10mg in one vial
- Mainly studied forTissue-repair models where vascular supply and cell migration are both examined
- Supplied asLyophilised powder, single 20mg vial at a fixed 1:1 mass ratio, independently assayed
How it works
What it actually does
Repair needs two things: blood reaching the damaged area, and repair cells physically moving into it.
BPC-157 is associated with the first — new blood vessel growth into tissue that normally has a poor supply. TB-500 is associated with the second — the internal machinery cells use to migrate.
The two do not share a pathway, which is the entire logic of the pairing. No controlled study of the combination itself has been published; the evidence sits with each compound separately.
The science in detail
The rationale for pairing these two compounds is mechanistic separation, not additive potency. They intervene at different points in the tissue repair sequence and, on current evidence, share no common pathway.
BPC-157 is a 15-residue fragment of a protein isolated from human gastric juice. No single high-affinity receptor has been identified for it. Its described actions are extracellular and vascular: Hsieh et al. (Journal of Molecular Medicine, 2017) associated its pro-angiogenic activity with activation and upregulation of VEGFR2 and downstream Akt–eNOS signalling, with the effect attenuated by VEGFR2 blockade. A second body of work describes bidirectional modulation of the nitric oxide system, with Hsieh et al. (Scientific Reports, 2020) reporting effects on vasomotor tone through a Src–caveolin-1–eNOS pathway. In connective tissue, Chang et al. (Journal of Applied Physiology, 2011) reported increased tendon fibroblast outgrowth, survival and migration in vitro. The functional theme is vascular supply and the extracellular signalling environment.
TB-500 is based on thymosin beta-4, the principal G-actin sequestering peptide in mammalian cells. It binds actin monomer in a 1:1 complex and holds it unpolymerised, creating a reservoir that permits rapid, localised F-actin polymerisation at the migrating cell's leading edge. The actin-binding activity localises to the LKKTETQ motif. Malinda et al. (Journal of Investigative Dermatology, 1999) reported accelerated dermal repair in rodent models; Bock-Marquette et al. (Nature, 2004) described a separate pathway through integrin-linked kinase activation in cardiac tissue. A further mechanism operates through liberation of the N-terminal tetrapeptide Ac-SDKP by prolyl oligopeptidase and meprin-α, which carries independent anti-fibrotic activity. The functional theme here is intracellular: cytoskeletal remodelling and cell motility.
One compound addresses whether cells can reach the site and whether it is perfused; the other addresses the machinery cells use to move. That non-overlap is the entire basis of the pairing.
Evidence
What the research shows
Two mechanisms, no overlap
One targets blood supply to the injury, the other targets how repair cells move into it.
Both evidence bases are animal-stage
Each compound has substantial preclinical work behind it and limited human trial data.
No study of the combination
The pairing is reasoned from the separate mechanisms, not from a trial of the two together.
Single vial, fixed ratio
One reconstitution yields a stock containing both compounds at a fixed 1:1 mass ratio set at manufacture.
Reconstitution & handling
Reconstitution and handling in the laboratory
These are general handling notes for the lyophilised peptide supplied by Purist Peptides. They describe the preparation of a stock solution for laboratory work. They are not a dosing protocol, and they describe no administration to a person or an animal.
A 3ml vial of bacteriostatic water is included free with every peptide vial you order, so the material can be reconstituted on arrival.
Wolverine Stack — BPC-157 10mg + TB-500 10mg — preparing a stock solution
Choice of diluent
Bacteriostatic water (water for injection with 0.9% benzyl alcohol) is the usual diluent where a stock will be drawn from repeatedly, because the preservative permits several septum entries across a working period. Sterile water for injection and sterile 0.9% sodium chloride are both used where a single-use preparation is wanted instead. The diluent volume sets the concentration of the stock, so record it.
Sterile technique
- Allow the sealed vial to reach room temperature before opening the carton — reconstituting a cold lyophilised cake slows dissolution
- Work in a clean area or a laminar flow cabinet, and wipe the rubber septum with 70% isopropyl alcohol, letting it dry fully
- Draw the chosen volume of diluent using a sterile single-use syringe and needle
- Angle the needle so the diluent runs down the inside wall of the vial — do not direct the stream onto the lyophilised cake
- Roll the vial gently between the palms until the cake has dissolved completely. Do not shake and do not vortex: peptides are surface-active, and agitation drives foaming and aggregation
- Let the vial stand for 5 to 10 minutes. A correctly reconstituted solution is clear and free of visible particles
Working out the concentration
Concentration follows from the mass in the vial and the volume of diluent added, nothing else. Adding 2ml of diluent to the vial gives a stock of 5mg/ml of each compound (10mg/ml total peptide); adding 1ml gives 10mg/ml of each. Label every reconstituted vial with its concentration and the date it was prepared.
Storage and stability
Before reconstitution
The lyophilised powder is the stable form. Sealed vials are best held at −20°C, protected from light and from moisture; the short periods at 2 to 6°C that occur in transit and on arrival are expected and are accounted for in the supply chain. Keep the vial in its carton — light and humid air are the two ordinary causes of loss on storage.
After reconstitution
Hold reconstituted solution at 2 to 6°C and protect it from light. Do not freeze a working stock: freeze-thaw cycling is the main avoidable cause of degradation and of visible precipitate. Where material must be held beyond a short working period, aliquot the stock into sterile low-binding tubes and freeze the aliquots once at −20°C or below, thawing each aliquot only once.
Checks before use
Inspect every vial against a light source. Discard any solution that is hazy, discoloured or contains particles, and any vial whose septum integrity is in doubt. The independent HPLC assay report for the batch supplied is available on request.
Strictly for laboratory research use. Not for human or veterinary consumption.
Questions
Frequently asked questions
Is there research on the combination itself?
No controlled study of BPC-157 and TB-500 administered together has been published. The evidence base consists of separate preclinical work on each compound. The pairing is a research convention grounded in mechanistic non-overlap, not a validated protocol, and should be described as such.
Why are these two compounds paired?
Their mechanisms do not intersect. BPC-157's described actions are extracellular and vascular — VEGFR2-associated angiogenic signalling and modulation of nitric oxide. TB-500 acts intracellularly on the actin cytoskeleton, controlling the machinery of cell migration. Pairing them addresses two different constraints on tissue repair.
Do the two compounds need to be reconstituted separately?
No. The Wolverine Stack is supplied as a single pre-mixed lyophilised vial containing 10mg of each compound, so one reconstitution yields a stock containing both at a fixed 1:1 mass ratio. Add the diluent to the vial as supplied and follow the reconstitution notes above.
Why is it called the Wolverine Stack?
It is a colloquial name that circulated in research and forum communities, referring to the fictional character's rapid tissue repair. It carries no scientific meaning and implies nothing about the strength of the underlying evidence, which is preclinical.
How is purity verified?
Every batch is assayed by independent HPLC at Bioindustrial Services in Boksburg, and the assay covers both compounds in the vial. We do not rely on the manufacturer's own certificate alone. The assay reports for the batches you receive are available on request, and our full testing protocol is set out at Quality Standards.
How long does delivery take?
Orders are dispatched from South Africa, with timelines varying by region and courier. Current dispatch and transit windows are set out at Delivery Process.
Can I return an order?
Because these are laboratory compounds, returns are not accepted once an order has shipped. If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out in our Refund Policy.
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