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Go Alpha Labs vs Peptides 4 Research
Head-to-head on 17 shared peptides: Go Alpha Labs is cheaper on 17, Peptides 4 Research on 0. Average price gap 53% — compared Oct 26, 2026.
- Catalog
- 26 peptides
- In stock (shared)
- 17
- Last checked
- Oct 26, 2026(updated today)
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- Catalog
- 19 peptides
- In stock (shared)
- 17
- Last checked
- Mar 20, 2026(stale · 220d old)
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Price comparison — 17 shared peptides
Prices last checked Oct 26, 2026| Peptide | Go Alpha Labs | Peptides 4 Research | Δ $/mg |
|---|---|---|---|
| BPC-157 | $2.24/mgcheaper 100mg · $223.99 | $7.50/mg 10mg · $75.00 | 70% |
| CJC-1295 | $3.36/mgcheaper 100mg · $335.99 | $8.00/mg 5mg · $40.00 | 58% |
| DSIP | $2.52/mgcheaper 100mg · $251.99 | $4.50/mg 10mg · $45.00 | 44% |
| GHK-Cu | $0.31/mgcheaper 1000mg · $307.99 | $0.90/mg 50mg · $45.00 | 66% |
| IGF-1 LR3 | $35.21/mgcheaper 10mg · $352.09 | $85.00/mg 1mg · $85.00 | 59% |
| Ipamorelin | $2.62/mgcheaper 100mg · $262.49 | $7.00/mg 5mg · $35.00 | 63% |
| KLOW | $0.91/mgcheaper 800mg · $727.99 | $2.40/mg 50mg · $120.00 | 62% |
| Melanotan I | $1.89/mgcheaper 100mg · $188.99 | $3.50/mg 10mg · $35.00 | 46% |
| Melanotan II | $2.10/mgcheaper 100mg · $209.99 | $2.90/mg 10mg · $29.00 | 28% |
| MOTS-c | $1.37/mgcheaper 400mg · $549.49 | $4.20/mg 10mg · $42.00 | 67% |
| PT-141 | $2.24/mgcheaper 100mg · $223.99 | $3.70/mg 10mg · $37.00 | 39% |
| Retatrutide | $2.53/mgcheaper 600mg · $1518.99 | $14.30/mg 10mg · $143.00 | 82% |
| Selank | $2.24/mgcheaper 100mg · $223.99 | $3.50/mg 10mg · $35.00 | 36% |
| Semax | $2.38/mgcheaper 100mg · $237.99 | $3.50/mg 10mg · $35.00 | 32% |
| Sermorelin | $3.50/mgcheaper 100mg · $349.99 | $6.40/mg 10mg · $64.00 | 45% |
| TB-500 | $2.80/mgcheaper 100mg · $279.99 | $6.50/mg 10mg · $65.00 | 57% |
| Tesamorelin | $2.98/mgcheaper 200mg · $594.99 | $6.10/mg 10mg · $61.00 | 51% |
Best available size tier per vendor, normalized to $/mg; in-stock tiers preferred. How prices are collected →
Third-party purity data
On file: Go Alpha Labs — 13 results (Peptigrity ×13) · Peptides 4 Research — 5 results (Finnrick ×5).
Common questions
Is Go Alpha Labs or Peptides 4 Research cheaper?
Across 17 peptides both vendors sell, Go Alpha Labs has the lower $/mg price on 17 and Peptides 4 Research on 0. The average per-peptide price gap is 53%. The table above compares each vendor's best size tier on a $/mg basis.
Do Go Alpha Labs and Peptides 4 Research have third-party lab tests?
Go Alpha Labs has 13 third-party results on file (Peptigrity ×13); Peptides 4 Research has 5 (Finnrick ×5). Independent labs test samples bought from vendors and publish HPLC purity — grade A (≥98%) is the research-use baseline.
How many peptides do Go Alpha Labs and Peptides 4 Research both sell?
Both vendors list 17 of the same peptides, including BPC-157, CJC-1295, DSIP, GHK-Cu, IGF-1 LR3 and 12 more. Go Alpha Labs tracks 26 peptides total on PepVendors; Peptides 4 Research tracks 19.