PepsTracker › Vendors › Labsourced vs Glow Lab Protocols
Updated August 2026 · 16 shared compounds · discount codes applied
Glow Lab Protocols is cheaper on 14 of the 16 shared peptides, Labsourced on 2 — that is 88% of the 16 compounds where the two actually differ.
Averaged across every shared compound, Glow Lab Protocols runs about 39% lower on cost per milligram. Both figures already include each vendor's discount code.
Glowlab (15% off)GLOW31 (31% 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 | Labsourced | Glow Lab Protocols | Cheaper |
|---|---|---|---|
| Glutathione | $0.033/mg $50.15 / 1500mg | $0.027/mg $40.71 / 1500mg | Glow Lab Protocols 19% cheaper |
| NAD+ | $0.100/mg $50.15 / 500mg | $0.069/mg $34.49 / 500mg | Glow Lab Protocols 31% cheaper |
| Bacteriostatic Water | $0.708/mg $21.25 / 30mg | $0.230/mg $6.89 / 30mg | Glow Lab Protocols 68% cheaper |
| GHK-Cu | $0.587/mg $58.65 / 100mg | $0.262/mg $26.21 / 100mg | Glow Lab Protocols 55% cheaper |
| 5-Amino-1MQ | $4.17/mg $41.65 / 10mg | $0.497/mg $24.84 / 50mg | Glow Lab Protocols 88% cheaper |
| Klow Blend | $1.37/mg $109.65 / 80mg | $0.750/mg $60.02 / 80mg | Glow Lab Protocols 45% cheaper |
| BPC-157 | $3.78/mg $75.65 / 20mg | $2.21/mg $22.08 / 10mg | Glow Lab Protocols 42% cheaper |
| Tirzepatide | $2.25/mg $135.15 / 60mg | $2.69/mg $53.82 / 20mg | Labsourced 16% cheaper |
| PT-141 (Bremelanotide) | $4.17/mg $41.65 / 10mg | $2.28/mg $22.76 / 10mg | Glow Lab Protocols 45% cheaper |
| Selank | $4.17/mg $41.65 / 10mg | $2.28/mg $22.76 / 10mg | Glow Lab Protocols 45% cheaper |
| MOTS-c | $2.32/mg $92.65 / 40mg | $2.35/mg $23.46 / 10mg | Labsourced 1% cheaper |
| KPV | $4.17/mg $41.65 / 10mg | $2.35/mg $23.45 / 10mg | Glow Lab Protocols 44% cheaper |
| Retatrutide | $3.39/mg $203.15 / 60mg | $2.83/mg $56.58 / 20mg | Glow Lab Protocols 16% cheaper |
| Adamax | $7.56/mg $75.65 / 10mg | $4.07/mg $40.70 / 10mg | Glow Lab Protocols 46% cheaper |
| DSIP | $8.33/mg $41.65 / 5mg | $4.42/mg $22.08 / 5mg | Glow Lab Protocols 47% cheaper |
| Thymosin Alpha-1 | $7.56/mg $75.65 / 10mg | $5.80/mg $28.98 / 5mg | Glow Lab Protocols 23% cheaper |
Neither vendor wins across the board, which is the main takeaway. Labsourced is cheaper on 2 of the 16 shared compounds and Glow Lab Protocols on 14. 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: Labsourced lists around 42 compounds we track versus 18 at Glow Lab Protocols. Outside the 16 overlap, only one of them will stock what you need.
Labsourced — code Glowlab for 15% off. Glow Lab Protocols — code GLOW31 for 31% 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 Lab Protocols is cheaper on 14 of the 16 peptides both vendors stock, Labsourced on 2. Across the compounds where they differ, that is 88% in Glow Lab Protocols's favour. On average cost-per-milligram, Glow Lab Protocols comes out roughly 39% lower. Neither wins everything, so check the specific compound you need.
Labsourced uses code Glowlab for 15% off, and Glow Lab Protocols uses GLOW31 for 31% 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 16 compounds. Labsourced lists roughly 42 tracked compounds and Glow Lab Protocols 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 27 vendors in real time, or browse every vendor we track.
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