PepsTracker › Vendors › Glow Aminos vs S1 Labs
Updated August 2026 · 12 shared compounds · discount codes applied
Glow Aminos is cheaper on 9 of the 12 shared peptides, S1 Labs on 3 — that is 75% of the 12 compounds where the two actually differ.
Averaged across every shared compound, Glow Aminos runs about 40% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker (51% off)pepstracker10 (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 | Glow Aminos | S1 Labs | Cheaper |
|---|---|---|---|
| NAD+ | $0.053/mg $53.41 / 1000mg | $0.106/mg $53.10 / 500mg | Glow Aminos 50% cheaper |
| GHK-Cu | $0.240/mg $24.01 / 100mg | $0.360/mg $36.00 / 100mg | Glow Aminos 33% cheaper |
| Bacteriostatic Water | $0.425/mg $12.74 / 30mg | $0.360/mg $3.60 / 10mg | S1 Labs 15% cheaper |
| MOTS-c | $1.81/mg $36.26 / 20mg | $3.42/mg $34.20 / 10mg | Glow Aminos 47% cheaper |
| Retatrutide | $2.12/mg $126.91 / 60mg | $6.84/mg $68.40 / 10mg | Glow Aminos 69% cheaper |
| Semax | $2.16/mg $21.56 / 10mg | $3.60/mg $35.99 / 10mg | Glow Aminos 40% cheaper |
| BPC-157 | $2.40/mg $24.01 / 10mg | $2.97/mg $29.70 / 10mg | Glow Aminos 19% cheaper |
| BPC-157 + TB-500 Blend | $2.55/mg $50.96 / 20mg | $4.95/mg $49.50 / 10mg | Glow Aminos 49% cheaper |
| Tesamorelin | $3.38/mg $33.81 / 10mg | $3.78/mg $37.80 / 10mg | Glow Aminos 11% cheaper |
| SS-31 | $8.04/mg $80.36 / 10mg | $3.42/mg $34.20 / 10mg | S1 Labs 57% cheaper |
| Cagrilintide | $7.55/mg $75.46 / 10mg | $7.20/mg $72.00 / 10mg | S1 Labs 5% cheaper |
| IGF-1 LR3 | $28.91/mg $28.91 / 1mg | $62.99/mg $62.99 / 1mg | Glow Aminos 54% cheaper |
Neither vendor wins across the board, which is the main takeaway. Glow Aminos is cheaper on 9 of the 12 shared compounds and S1 Labs on 3. 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: Glow Aminos lists around 50 compounds we track versus 12 at S1 Labs. Outside the 12 overlap, only one of them will stock what you need.
Glow Aminos — code pepstracker for 51% off. S1 Labs — code pepstracker10 for 10% 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.
Glow Aminos is cheaper on 9 of the 12 peptides both vendors stock, S1 Labs on 3. Across the compounds where they differ, that is 75% in Glow Aminos's favour. On average cost-per-milligram, Glow Aminos comes out roughly 40% lower. Neither wins everything, so check the specific compound you need.
Glow Aminos uses code pepstracker for 51% off, and S1 Labs uses pepstracker10 for 10% 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 12 compounds. Glow Aminos lists roughly 50 tracked compounds and S1 Labs lists about 12. 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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