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⚖️ Vendor Comparison

Labsourced vs Solas Science — Which Is Cheaper in 2026?

Updated July 2026 · 11 shared compounds · discount codes applied

🏆 The verdict

Solas Science is cheaper on 8 of the 11 shared peptides, Labsourced on 3 — that is 73% of the 11 compounds where the two actually differ.

Averaged across every shared compound, Solas Science runs about 11% lower on cost per milligram. Both figures already include each vendor's discount code.

Labsourced
Cheaper on 3 compounds
Catalog: 42 tracked
Code: Glowlab (15% off)
Solas Science
Cheaper on 8 compounds
Catalog: 11 tracked
Code: (0% off)

Head-to-head: cost per milligram

Every price below is the discounted price divided by milligrams, so vial sizes do not distort the comparison. Sorted by cheapest available option.

PeptideLabsourcedSolas ScienceCheaper
NAD+$0.100/mg
$50.15 / 500mg
$0.080/mg
$40.00 / 500mg
Solas Science
20% cheaper
GHK-Cu$0.587/mg
$58.65 / 100mg
$0.420/mg
$42.00 / 100mg
Solas Science
28% cheaper
Bacteriostatic Water$0.708/mg
$21.25 / 30mg
$1.00/mg
$30.00 / 30mg
Labsourced
29% cheaper
Klow Blend$1.37/mg
$109.65 / 80mg
$1.06/mg
$85.00 / 80mg
Solas Science
22% cheaper
Tirzepatide$2.25/mg
$135.15 / 60mg
$1.08/mg
$65.00 / 60mg
Solas Science
52% cheaper
Retatrutide$3.39/mg
$203.15 / 60mg
$2.00/mg
$60.00 / 30mg
Solas Science
41% cheaper
Semax$4.17/mg
$41.65 / 10mg
$3.80/mg
$38.00 / 10mg
Solas Science
9% cheaper
Selank$4.17/mg
$41.65 / 10mg
$3.80/mg
$38.00 / 10mg
Solas Science
9% cheaper
Melanotan II$4.17/mg
$41.65 / 10mg
$4.20/mg
$42.00 / 10mg
Labsourced
1% cheaper
CJC/Ipa Blend$6.71/mg
$67.15 / 10mg
$6.30/mg
$63.00 / 10mg
Solas Science
6% cheaper
Tesamorelin$6.80/mg
$135.99 / 20mg
$7.00/mg
$70.00 / 10mg
Labsourced
3% cheaper

How to read this

Neither vendor wins across the board, which is the main takeaway. Labsourced is cheaper on 3 of the 11 shared compounds and Solas Science on 8. 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 11 at Solas Science. Outside the 11 overlap, only one of them will stock what you need.

Discount codes

Labsourced — code Glowlab for 15% off. Solas Science — 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.

Frequently asked questions

Which is cheaper overall, Labsourced or Solas Science?

Solas Science is cheaper on 8 of the 11 peptides both vendors stock, Labsourced on 3. Across the compounds where they differ, that is 73% in Solas Science's favour. On average cost-per-milligram, Solas Science comes out roughly 11% lower. Neither wins everything, so check the specific compound you need.

What discount codes do Labsourced and Solas Science offer?

Labsourced uses code Glowlab for 15% off, and Solas Science 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.

Do these two vendors carry the same peptides?

They overlap on 11 compounds. Labsourced lists roughly 42 tracked compounds and Solas Science lists about 11. If you need something outside the overlap, only one of them will have it.

Why compare cost per milligram instead of price?

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.

Compare live prices

Open the live tracker to compare these two against all 25 vendors in real time, or browse every vendor we track.

PepsTracker is a price comparison service. All products referenced are for research use only. We do not sell or distribute any products. Affiliate links may generate a commission.