PepsTracker › Vendors › Labsourced vs Glow Lab Protocols
Updated July 2026 · 10 shared compounds · discount codes applied
These two are dead even — each is cheaper on exactly 5 of the 10 shared peptides.
Averaged across every shared compound, Labsourced runs about 8% 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 | Labsourced | Glow Lab Protocols | Cheaper |
|---|---|---|---|
| Glutathione | $0.033/mg $50.15 / 1500mg | $0.050/mg $37.33 / 750mg | Labsourced 33% cheaper |
| NAD+ | $0.100/mg $50.15 / 500mg | $0.100/mg $49.99 / 500mg | Glow Lab Protocols 0% cheaper |
| Bacteriostatic Water | $0.708/mg $21.25 / 30mg | $0.333/mg $9.99 / 30mg | Glow Lab Protocols 53% cheaper |
| GHK-Cu | $0.587/mg $58.65 / 100mg | $0.380/mg $37.99 / 100mg | Glow Lab Protocols 35% cheaper |
| Tirzepatide | $2.25/mg $135.15 / 60mg | $3.90/mg $78.00 / 20mg | Labsourced 42% cheaper |
| MOTS-c | $2.32/mg $92.65 / 40mg | $3.40/mg $34.00 / 10mg | Labsourced 32% cheaper |
| Retatrutide | $3.39/mg $203.15 / 60mg | $4.50/mg $44.99 / 10mg | Labsourced 25% cheaper |
| KPV | $4.17/mg $41.65 / 10mg | $3.40/mg $33.99 / 10mg | Glow Lab Protocols 18% cheaper |
| DSIP | $8.33/mg $41.65 / 5mg | $6.40/mg $32.00 / 5mg | Glow Lab Protocols 23% cheaper |
| Adamax | $7.56/mg $75.65 / 10mg | $9.60/mg $48.00 / 5mg | Labsourced 21% cheaper |
Neither vendor wins across the board, which is the main takeaway. Labsourced is cheaper on 5 of the 10 shared compounds and Glow Lab Protocols on 5. 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 10 at Glow Lab Protocols. Outside the 10 overlap, only one of them will stock what you need.
Labsourced — code Glowlab for 15% off. Glow Lab Protocols — 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.
They are remarkably even — each wins on the same number of shared compounds. The right pick depends entirely on which specific peptide you are buying.
Labsourced uses code Glowlab for 15% off, and Glow Lab Protocols 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. Labsourced lists roughly 42 tracked compounds and Glow Lab Protocols lists about 10. 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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