PepsTracker › Vendors › Glow Aminos vs S1 Labs
Updated July 2026 · 11 shared compounds · discount codes applied
Glow Aminos is cheaper on 7 of the 11 shared peptides, S1 Labs on 4 — that is 64% of the 11 compounds where the two actually differ.
Averaged across every shared compound, Glow Aminos runs about 16% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker (30% 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+ | $0.076/mg $76.30 / 1000mg | $0.117/mg $58.49 / 500mg | Glow Aminos 35% cheaper |
| GHK-Cu | $0.343/mg $34.30 / 100mg | $0.360/mg $36.00 / 100mg | Glow Aminos 5% cheaper |
| Bacteriostatic Water | $0.607/mg $18.20 / 30mg | $0.360/mg $3.60 / 10mg | S1 Labs 41% cheaper |
| MOTS-c | $2.59/mg $51.80 / 20mg | $3.42/mg $34.20 / 10mg | Glow Aminos 24% cheaper |
| Retatrutide | $3.02/mg $181.30 / 60mg | $6.30/mg $62.99 / 10mg | Glow Aminos 52% cheaper |
| Semax | $3.08/mg $30.80 / 10mg | $3.60/mg $35.99 / 10mg | Glow Aminos 14% cheaper |
| SS-31 | $11.48/mg $114.80 / 10mg | $3.42/mg $34.20 / 10mg | S1 Labs 70% cheaper |
| BPC-157 + TB-500 Blend | $3.64/mg $72.80 / 20mg | $6.30/mg $62.99 / 10mg | Glow Aminos 42% cheaper |
| Tesamorelin | $4.83/mg $48.30 / 10mg | $3.78/mg $37.80 / 10mg | S1 Labs 22% cheaper |
| Cagrilintide | $10.78/mg $107.80 / 10mg | $7.20/mg $72.00 / 10mg | S1 Labs 33% cheaper |
| IGF-1 LR3 | $41.30/mg $41.30 / 1mg | $62.99/mg $62.99 / 1mg | Glow Aminos 34% cheaper |
Neither vendor wins across the board, which is the main takeaway. Glow Aminos is cheaper on 7 of the 11 shared compounds and S1 Labs on 4. 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 18 at S1 Labs. Outside the 11 overlap, only one of them will stock what you need.
Glow Aminos — code pepstracker for 30% 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 7 of the 11 peptides both vendors stock, S1 Labs on 4. Across the compounds where they differ, that is 64% in Glow Aminos's favour. On average cost-per-milligram, Glow Aminos comes out roughly 16% lower. Neither wins everything, so check the specific compound you need.
Glow Aminos uses code pepstracker for 30% 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 11 compounds. Glow Aminos lists roughly 50 tracked compounds and S1 Labs lists about 18. 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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