PepsTracker › Vendors › Ion Peptides vs Solas Science
Updated July 2026 · 10 shared compounds · discount codes applied
Solas Science is cheaper on 7 of the 10 shared peptides, Ion Peptides on 3 — that is 70% of the 10 compounds where the two actually differ.
Averaged across every shared compound, Solas Science runs about 23% 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 | Ion Peptides | Solas Science | Cheaper |
|---|---|---|---|
| NAD+ | $0.100/mg $50.15 / 500mg | $0.080/mg $40.00 / 500mg | Solas Science 20% cheaper |
| GHK-Cu | $0.493/mg $24.65 / 50mg | $0.420/mg $42.00 / 100mg | Solas Science 15% cheaper |
| Bacteriostatic Water | $0.424/mg $12.71 / 30mg | $1.00/mg $30.00 / 30mg | Ion Peptides 58% cheaper |
| Klow Blend | $1.16/mg $92.65 / 80mg | $1.06/mg $85.00 / 80mg | Solas Science 8% cheaper |
| Tirzepatide | $4.17/mg $41.65 / 10mg | $1.08/mg $65.00 / 60mg | Solas Science 74% cheaper |
| Retatrutide | $7.65/mg $38.25 / 5mg | $2.00/mg $60.00 / 30mg | Solas Science 74% cheaper |
| Semax | $2.80/mg $27.96 / 10mg | $3.80/mg $38.00 / 10mg | Ion Peptides 26% cheaper |
| Melanotan II | $2.98/mg $29.75 / 10mg | $4.20/mg $42.00 / 10mg | Ion Peptides 29% cheaper |
| Selank | $4.25/mg $21.25 / 5mg | $3.80/mg $38.00 / 10mg | Solas Science 11% cheaper |
| Tesamorelin | $7.65/mg $38.25 / 5mg | $7.00/mg $70.00 / 10mg | Solas Science 8% cheaper |
Neither vendor wins across the board, which is the main takeaway. Ion Peptides is cheaper on 3 of the 10 shared compounds and Solas Science 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: Ion Peptides lists around 51 compounds we track versus 11 at Solas Science. Outside the 10 overlap, only one of them will stock what you need.
Ion Peptides — 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 7 of the 10 peptides both vendors stock, Ion Peptides on 3. Across the compounds where they differ, that is 70% in Solas Science's favour. On average cost-per-milligram, Solas Science comes out roughly 23% lower. Neither wins everything, so check the specific compound you need.
Ion Peptides 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. Ion Peptides lists roughly 51 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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