guidesApril 16, 2026·10 min read

Where to Buy Wolverine Stack: BPC-157 + TB-500

Pre-mixed healing blend from $48 — about 30% cheaper than buying BPC-157 and TB-500 separately, with one injection instead of two. Vendors compared.

Where to Buy Wolverine Stack

The Wolverine Stack is the classic healing blend — BPC-157 (10mg) and TB-500 (10mg) pre-mixed in a single 20mg vial. One reconstitution, one injection, two complementary mechanisms: BPC-157 drives local angiogenesis and growth factor recruitment, TB-500 handles systemic cell migration and actin remodeling. It's the most popular blend for injury recovery because the pairing is well-established and the pricing math works out.

Short answer on the math: a Wolverine vial runs $48-135 across reputable vendors, while buying 10mg of each peptide separately runs ~$90 at mid-tier pricing. You save about 25-40% and get one injection instead of two. This guide covers how to verify a Wolverine vendor, what you should pay per milligram, how the blend compares to singles, and the red flags to avoid.

This is not a ranked vendor list — for that, see our Best Wolverine Stack Vendors comparison. This guide teaches you how to evaluate any blend vendor yourself.

Understanding Wolverine Stack Pricing

Wolverine is sold in two common sizes: 5mg/5mg (10mg total) and 10mg/10mg (20mg total). A few vendors stock a 5mg-only TB-500 variant, but 1:1 ratios are the standard. Pricing is driven by vial size, vendor markup, and testing investment — plus whether the vendor publishes per-component COAs.

Current Market Pricing (2026)

Vial Size Typical Price Range Price Per Total mg Best For
5mg / 5mg (10mg total) $48-85 $4.80-8.50/mg Tolerance testing, short 4-week cycles
10mg / 10mg (20mg total) $60-135 $3.00-6.75/mg Standard 8-week protocol — best value
5mg TB-500 only variants $48-90 $4.80-9.00/mg Less common; not the true Wolverine blend

The pattern is clear: the 20mg vial is the sweet spot. It's 30-40% cheaper per milligram than the 10mg version and lasts the standard 8-week healing protocol with just 2 vials. The 10mg vial only makes sense for tolerance-testing or ultra-short cycles.

Blend vs Buying Singles (Cost Per Cycle)

Using typical community vendor pricing, here's what the same peptide mass costs each way:

Peptide Amount Singles Price (mid-tier)
BPC-157 10mg ~$45
TB-500 10mg ~$45
Singles total 20mg ~$90
Wolverine 20mg vial 20mg $60-110
Savings 20-35%

The pattern is clear: even at the high end of Wolverine pricing, you save roughly $20-40 per vial vs buying singles. Over a standard 8-week cycle (2 vials), that's $40-80 in savings, plus half the reconstitutions and half the injections.

Cost Per Week at Standard Doses

Weekly Dose Monthly Cost (10mg vial) Monthly Cost (20mg vial) Savings
3.5 mg/week (500 mcg/day) $144-255 $90-203 ~30%
5.25 mg/week (750 mcg/day loading) $216-383 $135-304 ~30%
7 mg/week (500 mcg 2x/day acute) $288-510 $180-405 ~30%

For current vendor-specific pricing with exact $/mg breakdowns, see our Best Wolverine Stack Vendors comparison.

How to Verify Wolverine Stack Quality

COA verification process

Blend COAs are trickier than single-peptide COAs. A vendor can pass a "blend purity" test while having the ratios off, or while having one component at 80% purity dragging the other down. For Wolverine specifically, you need per-component testing — separate HPLC for BPC-157 and separate HPLC for TB-500.

What a Wolverine COA Should Include

Identity Confirmation (Per Component)

  • Mass spectrometry confirming correct molecular weight for each:
    • BPC-157: 1,419.55 Da
    • TB-500: 4,963.44 Da
  • Amino acid sequence verification for each

Purity Testing

  • HPLC purity per component — look for 98%+ for each peptide individually
  • Aggregate "blend purity" alone is not enough

Contamination Testing

  • Endotoxin (LPS) levels — critical for any injectable
  • Residual solvent analysis (acetonitrile, TFA)
  • Heavy metals screening

How to Verify a COA Is Legitimate

Not all COAs are real. Here's how to verify:

  1. Check the testing lab — Reputable labs include Janoshik Analytical, MZ Biolabs, and Colmaric Analyticals. Avoid vendors who only show "in-house" testing.

  2. Verify on the lab's website — Janoshik COAs have a task number you can look up directly at janoshik.com. If the vendor won't provide a verifiable task number, that's a red flag.

  3. Check the date — COAs should be recent (within 6 months). Old COAs may not represent the current batch.

  4. Match the batch — The batch/lot number on the COA should match what's printed on your vial.

  5. Demand per-component data — For a 2-peptide blend, any vendor unable to show separate HPLC for BPC-157 and TB-500 is cutting corners.

Red Flags to Avoid

  • Single "blend purity" number with no per-component breakdown — the biggest blend-specific red flag
  • No COA available — walk away immediately for any injectable research peptide
  • Only in-house testing — self-reported purity is meaningless without independent verification
  • Prices suspiciously low — Wolverine below $40/20mg across the board is a quality concern
  • No endotoxin testing — injection safety issue, period
  • Missing TB-500 mass spec — TB-500 is commonly mis-synthesized or substituted with thymosin beta-4 variants; verify the 4,963.44 Da molecular weight

Top Wolverine Stack Vendors

Ranked by price, COA availability, and reputation

Single Vial or Buy Singles: Which Makes Sense

Wolverine vs singles comparison

The blend-vs-singles decision is about trade-offs, not just price. Here's the honest breakdown.

The 28-Day Reconstitution Window

Once reconstituted with bacteriostatic water, Wolverine follows the same stability rules as its components: up to 28 days refrigerated. That matters because a 20mg vial at 500 mcg/day lasts 40 days, which exceeds the window.

Vial Size At 500 mcg/day At 750 mcg/day At 500 mcg 2x/day
10mg total (5/5) 20 days ✓ 13 days ✓ 10 days ✓
20mg total (10/10) 40 days ⚠️ 27 days ✓ 20 days ✓

⚠️ = exceeds 28-day window per reconstitution

Solution: For a 20mg vial at 500 mcg/day, reconstitute in two batches — add 1 mL BAC water for the first 28 days, then 1 mL more for the rest. Or use the full 2 mL upfront and plan to finish within 28 days by running a loading protocol.

When Blends Win

Cost savings — 25-40% cheaper per peptide mass than singles Fewer injections — one shot instead of two Simpler logistics — one vial, one reconstitution, one syringe draw per dose Pre-set 1:1 ratio — protocol is standardized; less room for dose error

When Singles Win

Dose flexibility — you can tweak BPC-157 up without also increasing TB-500 (common for tendon-specific protocols where BPC-157 does most of the work) Localized BPC-157 injection — if you want BPC-157 concentrated near an injury and TB-500 elsewhere, singles let you split sites Troubleshooting side effects — if you react to one, you can pull that component and continue the other Uneven cycle lengths — if you want 12 weeks of BPC-157 but only 6 of TB-500

Buying 10mg vs 20mg Vials

Factor 10mg vial (5/5) 20mg vial (10/10)
Cost per mg Higher ($4.80-8.50/mg) Lower ($3.00-6.75/mg)
Freshness Better (finishes in 20 days) Must plan around 28-day window
Flexibility Short cycle friendly Commits to 40-day dosing
Storage Easier Requires two-batch reconstitution
Per-cycle math 4 vials for 8 weeks 2 vials for 8 weeks

Our recommendation: Go with the 20mg/vial for the standard 8-week cycle. Reconstitute in two 1 mL batches to stay inside the 28-day window. Only buy 10mg vials for tolerance testing or ultra-short 4-week protocols.

Vendor Evaluation Methodology

When comparing Wolverine Stack vendors, we weight three factors:

Price Competitiveness (40%)

We normalize to total cost per milligram across the full 20mg. A vendor at $60/20mg ($3/mg) scores higher than one at $110/20mg ($5.50/mg), all else being equal — but we penalize suspiciously cheap pricing that signals corner-cutting.

COA & Testing (30%)

For blends specifically, we verify:

  • Per-component HPLC (BPC-157 and TB-500 tested individually)
  • Mass spec confirming both molecular weights
  • Endotoxin testing
  • Verifiable third-party lab (Janoshik, MZ Biolabs, Colmaric)

Reputation (30%)

Community feedback from peptide forums, shipping reliability, customer service responsiveness, and multi-year operating history. Blend specialists with consistent batch-to-batch ratios get extra weight.

Shipping and Storage

What to Expect When Your Order Arrives

Lyophilized Wolverine should arrive as a white or off-white powder cake in a sealed glass vial. Check:

  • Vial integrity — no cracks, rubber stopper intact, aluminum cap sealed
  • Powder appearance — solid cake or loose powder, NOT liquid or discolored
  • Labeling — batch/lot number, total mg, "for research use only"
  • Cold pack — reputable vendors ship with cold packs in summer months

Storage Guidelines

State Temperature Duration
Lyophilized (powder) Room temp Weeks (for shipping)
Lyophilized (powder) Refrigerated (2-8°C) 12-24 months
Lyophilized (powder) Frozen (-20°C) 2+ years
Reconstituted (BAC water) Refrigerated (2-8°C) 28 days max
Reconstituted (sterile water) Refrigerated (2-8°C) 24 hours
Reconstituted Frozen Not recommended

Key point: The 28-day rule is the same as singles. See our Wolverine Stack reconstitution guide for step-by-step mixing.

Frequently Asked Questions

BPC-157 and TB-500 are both sold as research chemicals and legal to purchase in most jurisdictions for research purposes. Neither is FDA-approved, and the FDA placed BPC-157 on the 503A bulks Category 2 list in 2023 — compounding pharmacies cannot produce it. Research vendors label product "not for human consumption."

How much does the Wolverine Stack cost per month?

At the standard 500 mcg/day dose, a 20mg vial lasts 40 days and runs $60-110 at reputable vendors — roughly $45-85/month. A full 8-week cycle uses 2 vials ($120-220 total).

Is the blend cheaper than buying singles?

Yes, by 25-40%. Buying 10mg BPC-157 ($45) and 10mg TB-500 ($45) separately runs ~$90 from mid-tier vendors, while a pre-mixed 20mg Wolverine vial runs $60-110. You also save one injection per day and one reconstitution per vial.

What vial size should I buy?

The 20mg (10/10) vial is the sweet spot for the standard 8-week protocol. Reconstitute in two 1 mL batches to stay inside the 28-day stability window. Only buy 10mg vials for tolerance-testing or short 4-week cycles.

What purity should I look for?

Per-component HPLC showing 98%+ purity for BPC-157 and TB-500 individually, plus mass spec confirming 1,419.55 Da and 4,963.44 Da respectively. Reputable vendors use independent labs like Janoshik or MZ Biolabs, and their COAs should be verifiable directly on the lab's website.

Can I buy the Wolverine Stack from a pharmacy?

No. BPC-157 is on the 503A Category 2 list, which blocks compounding pharmacies from producing it. TB-500 is also not FDA-approved. Wolverine is only available through research peptide vendors.

How do I know if a blend vendor is trustworthy?

Check for: per-component third-party COAs, verifiable lab results, responsive customer service, community reputation on peptide forums, consistent pricing (not suspiciously cheap), and a clear return/reship policy. See our Best Wolverine Stack Vendors for pre-vetted options.

References

Citation Topic PMID
Sikiric P, et al., J Physiol Paris (1993) Original BPC-157 pentadecapeptide characterization 7904712
Malinda et al., PNAS (1999) TB-500 LKKTET actin-binding mechanism 10469335

This article is for educational and informational purposes only. It is not medical advice and should not be used to diagnose, treat, or prevent any condition. Consult a licensed healthcare provider before using any peptide.