PepsTracker › Vendors › Ion Peptides vs Fusion Peptide
Updated August 2026 · 31 shared compounds · discount codes applied
Ion Peptides is cheaper on 16 of the 31 shared peptides, Fusion Peptide on 15 — that is 52% of the 31 compounds where the two actually differ.
Averaged across every shared compound, Ion Peptides runs about 78% lower on cost per milligram. Both figures already include each vendor's discount code.
Glowlab (15% off)pepstracker (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 | Fusion Peptide | Cheaper |
|---|---|---|---|
| NAD+ | $0.100/mg $50.15 / 500mg | $0.137/mg $136.84 / 1000mg | Ion Peptides 27% cheaper |
| GHK-Cu | $0.493/mg $24.65 / 50mg | $0.599/mg $68.84 / 115mg | Ion Peptides 18% cheaper |
| Epithalon | $2.98/mg $29.75 / 10mg | $1.82/mg $90.94 / 50mg | Fusion Peptide 39% cheaper |
| Pinealon | $1.91/mg $38.25 / 20mg | $3.19/mg $63.74 / 20mg | Ion Peptides 40% cheaper |
| SS-31 | $2.36/mg $118.15 / 50mg | $2.83/mg $161.49 / 57mg | Ion Peptides 17% cheaper |
| BPC-157 | $2.46/mg $24.65 / 10mg | $5.86/mg $58.64 / 10mg | Ion Peptides 58% cheaper |
| TB-500 | $2.46/mg $24.65 / 10mg | $6.88/mg $68.84 / 10mg | Ion Peptides 64% cheaper |
| Thymalin | $5.01/mg $50.15 / 10mg | $2.61/mg $36.54 / 14mg | Fusion Peptide 48% cheaper |
| Semax | $2.80/mg $27.96 / 10mg | $3.99/mg $51.84 / 13mg | Ion Peptides 30% cheaper |
| Semaglutide | $2.80/mg $84.15 / 30mg | $10.79/mg $323.84 / 30mg | Ion Peptides 74% cheaper |
| PT-141 (Bremelanotide) | $3.15/mg $31.45 / 10mg | $2.90/mg $39.09 / 13.5mg | Fusion Peptide 8% cheaper |
| Melanotan II | $2.98/mg $29.75 / 10mg | $4.17/mg $45.89 / 11mg | Ion Peptides 29% cheaper |
| Kisspeptin | $3.31/mg $33.15 / 10mg | $6.70/mg $60.34 / 9mg | Ion Peptides 51% cheaper |
| Tirzepatide | $4.17/mg $41.65 / 10mg | $3.52/mg $228.64 / 65mg | Fusion Peptide 16% cheaper |
| MOTS-c | $3.57/mg $35.70 / 10mg | $3.55/mg $158.09 / 44.5mg | Fusion Peptide 0% cheaper |
| KPV | $4.17/mg $41.65 / 10mg | $3.61/mg $43.34 / 12mg | Fusion Peptide 13% cheaper |
| GHRP-2 | $4.93/mg $24.65 / 5mg | $3.65/mg $36.54 / 10mg | Fusion Peptide 26% cheaper |
| GHRP-6 | $4.93/mg $24.65 / 5mg | $3.65/mg $36.54 / 10mg | Fusion Peptide 26% cheaper |
Neither vendor wins across the board, which is the main takeaway. Ion Peptides is cheaper on 16 of the 31 shared compounds and Fusion Peptide on 15. 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 50 compounds we track versus 45 at Fusion Peptide. Outside the 31 overlap, only one of them will stock what you need.
Ion Peptides — code Glowlab for 15% off. Fusion Peptide — code pepstracker for 15% 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.
Ion Peptides is cheaper on 16 of the 31 peptides both vendors stock, Fusion Peptide on 15. Across the compounds where they differ, that is 52% in Ion Peptides's favour. On average cost-per-milligram, Ion Peptides comes out roughly 78% lower. Neither wins everything, so check the specific compound you need.
Ion Peptides uses code Glowlab for 15% off, and Fusion Peptide uses pepstracker for 15% 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 31 compounds. Ion Peptides lists roughly 50 tracked compounds and Fusion Peptide lists about 45. 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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