PepsTracker › Vendors › AtomiK Labz vs Puratek Peptides
Updated August 2026 · 19 shared compounds · discount codes applied
AtomiK Labz is cheaper on 12 of the 19 shared peptides, Puratek Peptides on 7 — that is 63% of the 19 compounds where the two actually differ.
Averaged across every shared compound, AtomiK Labz runs about 22% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker30 (30% off)pepstracker (0% off)Every price below is the discounted price divided by milligrams, so vial sizes do not distort the comparison. Sorted by cheapest available option.
| Peptide | AtomiK Labz | Puratek Peptides | Cheaper |
|---|---|---|---|
| NAD+ | $0.038/mg $76.30 / 2000mg | $0.086/mg $42.95 / 500mg | AtomiK Labz 56% cheaper |
| GHK-Cu | $0.385/mg $38.50 / 100mg | $0.350/mg $34.95 / 100mg | Puratek Peptides 9% cheaper |
| Tirzepatide | $3.46/mg $69.30 / 20mg | $1.50/mg $89.95 / 60mg | Puratek Peptides 57% cheaper |
| MOTS-c | $2.73/mg $27.30 / 10mg | $1.75/mg $69.95 / 40mg | Puratek Peptides 36% cheaper |
| Melanotan II | $2.03/mg $20.30 / 10mg | $2.79/mg $27.95 / 10mg | AtomiK Labz 27% cheaper |
| BPC-157 | $2.27/mg $45.50 / 20mg | $3.00/mg $29.95 / 10mg | AtomiK Labz 24% cheaper |
| Epithalon | $2.45/mg $24.50 / 10mg | $2.69/mg $26.95 / 10mg | AtomiK Labz 9% cheaper |
| Selank | $2.45/mg $24.50 / 10mg | $3.30/mg $32.95 / 10mg | AtomiK Labz 26% cheaper |
| PT-141 (Bremelanotide) | $2.59/mg $25.90 / 10mg | $3.15/mg $31.45 / 10mg | AtomiK Labz 18% cheaper |
| BPC-157 + TB-500 Blend | $3.46/mg $69.30 / 20mg | $2.60/mg $51.95 / 20mg | Puratek Peptides 25% cheaper |
| Semaglutide | $3.46/mg $69.30 / 20mg | $3.50/mg $34.95 / 10mg | AtomiK Labz 1% cheaper |
| DSIP | $4.90/mg $24.50 / 5mg | $3.50/mg $34.95 / 10mg | Puratek Peptides 29% cheaper |
| KPV | $3.85/mg $38.50 / 10mg | $3.50/mg $34.95 / 10mg | Puratek Peptides 9% cheaper |
| Ipamorelin | $3.92/mg $39.20 / 10mg | $3.80/mg $37.95 / 10mg | Puratek Peptides 3% cheaper |
| Retatrutide | $3.81/mg $76.30 / 20mg | $4.50/mg $44.95 / 10mg | AtomiK Labz 15% cheaper |
| Tesamorelin | $3.85/mg $38.50 / 10mg | $5.25/mg $104.95 / 20mg | AtomiK Labz 27% cheaper |
| Tesamorelin/Ipamorelin Blend | $3.97/mg $59.50 / 15mg | $5.77/mg $74.95 / 13mg | AtomiK Labz 31% cheaper |
| TB-500 | $4.55/mg $45.50 / 10mg | $6.00/mg $59.95 / 10mg | AtomiK Labz 24% cheaper |
Neither vendor wins across the board, which is the main takeaway. AtomiK Labz is cheaper on 12 of the 19 shared compounds and Puratek Peptides on 7. If you buy a single compound, the table above is the answer. If you are placing one larger order to save on shipping, the vendor that wins your two or three highest-volume compounds usually nets out ahead.
Catalog breadth matters too: AtomiK Labz lists around 24 compounds we track versus 30 at Puratek Peptides. Outside the 19 overlap, only one of them will stock what you need.
AtomiK Labz — code pepstracker30 for 30% off. Puratek Peptides — code pepstracker for 0% off. Codes are applied before ranking on this page, which is why the order can differ from list prices. Always confirm the code at checkout.
AtomiK Labz is cheaper on 12 of the 19 peptides both vendors stock, Puratek Peptides on 7. Across the compounds where they differ, that is 63% in AtomiK Labz's favour. On average cost-per-milligram, AtomiK Labz comes out roughly 22% lower. Neither wins everything, so check the specific compound you need.
AtomiK Labz uses code pepstracker30 for 30% off, and Puratek Peptides uses pepstracker for 0% off. Every price in the comparison table already has these codes applied, which is why the ranking can differ from list prices.
They overlap on 19 compounds. AtomiK Labz lists roughly 24 tracked compounds and Puratek Peptides lists about 30. If you need something outside the overlap, only one of them will have it.
Vial sizes differ between vendors, so sticker price is misleading. A larger vial at a higher price is often cheaper per milligram. Every figure here is the discounted price divided by milligrams, which is the only like-for-like comparison.
Open the live tracker to compare these two against all 27 vendors in real time, or browse every vendor we track.
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