The Wolverine stack combines BPC-157 and TB-500 in a single pre-mixed format — the most-researched recovery stack in the published literature. Typical Wolverine pens/vials contain 10mg of each compound (20mg total). Larger formats exist with 20mg of each (40mg total) for higher-volume research protocols.
For research and educational purposes only. This calculator performs volumetric mathematics on the values you enter; it does not recommend doses or provide medical advice.
Universal peptide & nootropic dose calculator
Standard research pen format: 3 mL total volume, 300 clicks per pen. That’s fixed — so the only thing that changes is how many mg are in your specific pen. mg per click = your pen’s mg ÷ 300.
Vial mode: for lyophilised powder vials you reconstitute yourself with bacteriostatic water. Tell us the vial mg, how much BAC water you added, and your target dose — we work out the exact volume to draw on a U-100 insulin syringe.
Research and educational purposes only. Not medical advice. Not for human consumption. This calculator performs volumetric mathematics on the values you enter; it does not recommend doses. Compounds listed are not licensed as medicines for human use unless stated otherwise.
What’s in the stack
BPC-157
Body Protection Compound, 15-amino-acid peptide studied in tissue-repair research.
TB-500
Thymosin Beta-4 fragment, commonly stacked with BPC-157 in published research.
Typical research-stack pen formats
20mg Wolverine pen (3ml, 300 clicks)
Composition: 10mg BPC-157 + 10mg TB-500
Click maths: Each click delivers 0.067mg total compound (0.033mg BPC-157 + 0.033mg TB-500).
40mg Wolverine pen (3ml, 300 clicks)
Composition: 20mg BPC-157 + 20mg TB-500
Click maths: Each click delivers 0.133mg total compound (0.067mg each component).
Research-literature dose ranges
The following dose ranges are reported in published research literature for stack administration. They are listed here for completeness of the research picture and do not constitute dosage recommendations.
| Research dose range | Total mg per administration | Typical clicks |
|---|---|---|
| Low daily research administration | 0.5mg total (≈0.25mg each component) | ≈8 clicks on a 20mg pen, ≈4 clicks on a 40mg pen |
| Standard daily research administration | 1mg total (≈0.5mg each component) | ≈15 clicks on a 20mg pen, ≈8 clicks on a 40mg pen |
| Higher daily research administration | 2mg total (≈1mg each component) | ≈30 clicks on a 20mg pen, ≈15 clicks on a 40mg pen |
Storage and shelf life
Pre-filled research pens are typically supplied pre-reconstituted in bacteriostatic water and stored refrigerated at 2–8°C. Manufacturer expiry typically 28 days post-opening, longer for unopened pens. Refer to the specific manufacturer’s certificate of analysis (COA) for the precise storage window of your pen.
Frequently asked questions
What is the WOLVERINE stack?
It is a pre-mixed research-grade combination of multiple peptides in a single prefilled pen or vial. It allows research administration of several compounds simultaneously without separate reconstitution steps.
How is each compound’s individual dose calculated?
The pen’s total mg is divided by 300 clicks to give the mg per click. Within a blend, the proportion of each component is fixed by the manufacturer’s formulation. The combined dose per click is the total mg/click; individual component doses are derived by multiplying by each component’s proportion.
Can the stack components be separated?
No. Pre-mixed stack pens and vials are formulated as a single solution. Researchers wanting independent control of each component should use single-compound preparations instead.
How long does a stack pen last?
Refrigerated storage typically 28 days post-opening with bacteriostatic-water reconstitution. Unopened pens longer. Always check the manufacturer’s certificate of analysis.
Where can I find research-grade stack preparations in the UK?
Stackcalc.co.uk does not sell peptides. We maintain a partner arrangement with one UK supplier — see the partner link below. We are not responsible for any third-party supplier’s product quality or compliance.
Where to source research-grade stack pens
For UK readers researching multi-compound stack pens, our partner supplier stocks research-grade Wolverine, GLOW, and KLOW formats. (Partner link to be added after the affiliate arrangement is signed.)
We do not sell peptides ourselves. Stackcalc.co.uk is not responsible for any third-party supplier’s product quality, regulatory compliance, or customer service.
Compliance: Stackcalc.co.uk provides calculator tools and information for research and educational purposes only. We do not sell, supply, or recommend peptides, nootropics, or any other compounds. The compounds in this stack are not licensed as medicines in the United Kingdom for human use. Always consult a qualified healthcare professional. Not for human consumption.