PepsTracker › Vendors › LA Peptides vs Solas Science
Updated July 2026 · 10 shared compounds · discount codes applied
Solas Science is cheaper on 6 of the 10 shared peptides, LA Peptides on 4 — that is 60% of the 10 compounds where the two actually differ.
Averaged across every shared compound, Solas Science runs about 33% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker (10% 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 | LA Peptides | Solas Science | Cheaper |
|---|---|---|---|
| NAD+ | $0.135/mg $67.49 / 500mg | $0.080/mg $40.00 / 500mg | Solas Science 41% cheaper |
| GHK-Cu | $0.720/mg $35.99 / 50mg | $0.420/mg $42.00 / 100mg | Solas Science 42% cheaper |
| Klow Blend | $1.46/mg $116.99 / 80mg | $1.06/mg $85.00 / 80mg | Solas Science 27% cheaper |
| Tirzepatide | $9.00/mg $89.99 / 10mg | $1.08/mg $65.00 / 60mg | Solas Science 88% cheaper |
| Retatrutide | $8.55/mg $85.49 / 10mg | $2.00/mg $60.00 / 30mg | Solas Science 77% cheaper |
| Semax | $3.60/mg $35.99 / 10mg | $3.80/mg $38.00 / 10mg | LA Peptides 5% cheaper |
| Selank | $3.60/mg $35.99 / 10mg | $3.80/mg $38.00 / 10mg | LA Peptides 5% cheaper |
| Melanotan II | $4.05/mg $40.49 / 10mg | $4.20/mg $42.00 / 10mg | LA Peptides 4% cheaper |
| CJC/Ipa Blend | $6.75/mg $67.49 / 10mg | $6.30/mg $63.00 / 10mg | Solas Science 7% cheaper |
| Tesamorelin | $6.75/mg $67.49 / 10mg | $7.00/mg $70.00 / 10mg | LA Peptides 4% cheaper |
Neither vendor wins across the board, which is the main takeaway. LA Peptides 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: LA Peptides lists around 47 compounds we track versus 11 at Solas Science. Outside the 10 overlap, only one of them will stock what you need.
LA Peptides — code pepstracker for 10% 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, LA Peptides 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 33% lower. Neither wins everything, so check the specific compound you need.
LA Peptides uses code pepstracker for 10% 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. LA Peptides lists roughly 47 tracked compounds and Solas Science lists about 11. 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 25 vendors in real time, or browse every vendor we track.
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