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Go Alpha Labs vs Simple Peptide
Head-to-head on 13 shared peptides: Go Alpha Labs is cheaper on 13, Simple Peptide on 0. Average price gap 55% — compared Oct 26, 2026.
- Catalog
- 26 peptides
- In stock (shared)
- 13
- Last checked
- Oct 26, 2026(updated today)
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- Catalog
- 14 peptides
- In stock (shared)
- 13
- Last checked
- Mar 20, 2026(stale · 220d old)
Some outbound links are affiliate links — we may earn a commission on purchases made through them. It never affects rankings, prices, or purity data. How we make money
Price comparison — 13 shared peptides
Prices last checked Oct 26, 2026| Peptide | Go Alpha Labs | Simple Peptide | Δ $/mg |
|---|---|---|---|
| AOD-9604 | $4.73/mgcheaper 50mg · $236.59 | $9.00/mg 5mg · $45.00 | 47% |
| BPC-157 | $2.24/mgcheaper 100mg · $223.99 | $5.00/mg 15mg · $75.00 | 55% |
| DSIP | $2.52/mgcheaper 100mg · $251.99 | $7.00/mg 5mg · $35.00 | 64% |
| GHK-Cu | $0.31/mgcheaper 1000mg · $307.99 | $0.55/mg 100mg · $55.00 | 44% |
| Ipamorelin | $2.62/mgcheaper 100mg · $262.49 | $6.50/mg 10mg · $65.00 | 60% |
| PEG-MGF | $11.83/mgcheaper 20mg · $236.59 | $19.50/mg 2mg · $39.00 | 39% |
| PT-141 | $2.24/mgcheaper 100mg · $223.99 | $4.50/mg 10mg · $45.00 | 50% |
| Retatrutide | $2.53/mgcheaper 600mg · $1518.99 | $9.35/mg 48mg · $449.00 | 73% |
| Sermorelin | $3.50/mgcheaper 100mg · $349.99 | $7.90/mg 10mg · $79.00 | 56% |
| TB-500 | $2.80/mgcheaper 100mg · $279.99 | $6.50/mg 10mg · $65.00 | 57% |
| Tesamorelin | $2.98/mgcheaper 200mg · $594.99 | $7.50/mg 10mg · $75.00 | 60% |
| Thymosin Alpha-1 | $6.30/mgcheaper 50mg · $314.99 | $8.60/mg 10mg · $86.00 | 27% |
| Tirzepatide | $1.40/mgcheaper 600mg · $839.99 | $6.51/mg 10mg · $65.10 | 78% |
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) · Simple Peptide — 24 results (Peptigrity ×10 · Disclosed Labs ×9 · Finnrick ×5).
Common questions
Is Go Alpha Labs or Simple Peptide cheaper?
Across 13 peptides both vendors sell, Go Alpha Labs has the lower $/mg price on 13 and Simple Peptide on 0. The average per-peptide price gap is 55%. The table above compares each vendor's best size tier on a $/mg basis.
Do Go Alpha Labs and Simple Peptide have third-party lab tests?
Go Alpha Labs has 13 third-party results on file (Peptigrity ×13); Simple Peptide has 24 (Peptigrity ×10 · Disclosed Labs ×9 · 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 Simple Peptide both sell?
Both vendors list 13 of the same peptides, including AOD-9604, BPC-157, DSIP, GHK-Cu, Ipamorelin and 8 more. Go Alpha Labs tracks 26 peptides total on PepVendors; Simple Peptide tracks 14.