PepsTracker › Vendors › Labsourced vs Solas Science
Updated August 2026 · 10 shared compounds · discount codes applied
Solas Science is cheaper on 6 of the 10 shared peptides, Labsourced on 4 — that is 60% of the 10 compounds where the two actually differ.
Averaged across every shared compound, Solas Science runs about 2% lower on cost per milligram. Both figures already include each vendor's discount code.
Glowlab (15% 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 | Labsourced | Solas Science | Cheaper |
|---|---|---|---|
| NAD+ | $0.100/mg $50.15 / 500mg | $0.080/mg $40.00 / 500mg | Solas Science 20% cheaper |
| GHK-Cu | $0.587/mg $58.65 / 100mg | $0.500/mg $50.00 / 100mg | Solas Science 15% cheaper |
| Bacteriostatic Water | $0.708/mg $21.25 / 30mg | $1.00/mg $30.00 / 30mg | Labsourced 29% cheaper |
| Klow Blend | $1.37/mg $109.65 / 80mg | $1.06/mg $85.00 / 80mg | Solas Science 22% cheaper |
| Tirzepatide | $2.25/mg $135.15 / 60mg | $1.63/mg $98.00 / 60mg | Solas Science 27% cheaper |
| Retatrutide | $3.39/mg $203.15 / 60mg | $4.00/mg $120.00 / 30mg | Labsourced 15% cheaper |
| Selank | $4.17/mg $41.65 / 10mg | $3.80/mg $38.00 / 10mg | Solas Science 9% cheaper |
| Melanotan II | $4.17/mg $41.65 / 10mg | $4.20/mg $42.00 / 10mg | Labsourced 1% cheaper |
| CJC/Ipa Blend | $6.71/mg $67.15 / 10mg | $6.30/mg $63.00 / 10mg | Solas Science 6% cheaper |
| Tesamorelin | $6.80/mg $135.99 / 20mg | $7.00/mg $70.00 / 10mg | Labsourced 3% cheaper |
Neither vendor wins across the board, which is the main takeaway. Labsourced is cheaper on 4 of the 10 shared compounds and Solas Science on 6. 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: Labsourced lists around 42 compounds we track versus 10 at Solas Science. Outside the 10 overlap, only one of them will stock what you need.
Labsourced — code Glowlab for 15% off. Solas Science — code 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.
Solas Science is cheaper on 6 of the 10 peptides both vendors stock, Labsourced on 4. Across the compounds where they differ, that is 60% in Solas Science's favour. On average cost-per-milligram, Solas Science comes out roughly 2% lower. Neither wins everything, so check the specific compound you need.
Labsourced uses code Glowlab for 15% off, and Solas Science uses 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 10 compounds. Labsourced lists roughly 42 tracked compounds and Solas Science lists about 10. 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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