Kalyx Labs Review: Pricing, COAs, Testing, and What We Found

An independent evidence review of Kalyx Labs (kalyx-labs.com): public variation prices, 10-vial kits, and Freedom Diagnostics certificates that resolve at the laboratory under the Kalyx Labs client name.

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Kalyx Labs is now a curated vendor on PeptideBenchmark. The reason is not a testimonial. It is that the storefront pairs per-strength list prices with Freedom Diagnostics certificates a reader can re-check at the issuing laboratory under the Kalyx Labs client name.

This review separates what we observed directly, what the documents report, what the vendor states, and what remains unverified.

The short version

Kalyx Labs (kalyx-labs.com) sells research-use-only compounds with a strength listed on each purchasable option, including single vials and 10-vial kits. The September 23, 2026 review audited 58 catalog products and promoted 70 comparable pricing rows across 38 peptides. Capsules, sprays, liquids, multi-product stacks, the Burn Blend starter kit, cases, needles, prep pads, and bacteriostatic water stay off that board.

On testing, the public certificate library held 198 PDFs. 100 of those name Apex Peptides as the laboratory client and were excluded. The remaining Kalyx-client copies collapse to 79 distinct Freedom Diagnostics origins. PeptideBenchmark confirmed 77 at Freedom under a Kalyx Labs client name. Average reported purity on those 77 certificates was 99.7%. The reports support identity, HPLC purity, and net content. They do not report endotoxin, sterility, or heavy metals.

Pricing: vials and 10-vial kits

On the September 23, 2026 review date, PeptideBenchmark ranked each option’s regular list price. Live sale prices observed that day stayed in a separate sale lane. A site banner states code KALYX for 20% off, plus a rotating DSIP feature. On September 25, 2026, code peptidebenchmar took 25% off a regular-priced vial, and KALYX did not stack with it. Ranked prices now use that 25%. On September 28, 2026, guest carts showed the code also takes 25% off a live sale price, so a sale-priced item is ranked at its sale price less 25%. The FAQ also states a 4% card-processing fee at checkout. That fee is not in the vial price.

House names are mapped for comparison: Burn Blend is the retatrutide/tirzepatide blend, Wolverine Blend is the BPC-157/TB-500 blend, and the CJC-1295 listing states it is without DAC. MT-2 maps to melanotan II and MT-1 to melanotan I. Ten-vial kits are stored as the per-vial strength with a pack count of 10, not as one giant vial.

Left off the injectable board, with a reason:

• No published variation price: Ipamorelin 5 mg, Sermorelin 5 mg, GHK-Cu 200 mg, Retatrutide 100 mg, and Burn Blend 20 mg/20 mg are listed as dosage options but have no purchasable variation.
• Out of stock, price retained but not ranked: AHK-Cu 100 mg, BPC-157 20 mg, IGF-1 LR3 1 mg, and the MT-2 10-vial kit.
• Sprays and capsules, on their own boards: NAD+ nasal spray (1000 mg in the bottle, $110) and Selank/Semax spray (5 mg + 5 mg in the bottle, 50 mcg/50 mcg per spray, $85) are on the spray board. MK-677 capsules (12.5 mg × 100, $150), orforglipron capsules listed as Orforgliporon (7 mg × 60, $330), and tesofensine capsules (500 mcg × 60, $170) are on the capsule board. They are not mixed into vial $/mg or Stack Builder.
• Still off those lanes: tirzepatide 500 mcg capsules have no published price. MK-677 liquid and SLU-PP-332 liquid are concentrations, not a finished spray or a counted capsule pack.
• Outside the peptide set: Cardarine, RAD-140, RU-58841, tadalafil, stacks, the Burn Blend starter kit, bacteriostatic water, alcohol prep pads, insulin needles, and peptide cases.

Testing: Freedom certificates under the Kalyx Labs client

Certificate PDFs are publicly downloadable. The lab-reports browser and individual product pages ask visitors to sign in, so the readable corpus for this review is the public certificate files themselves.

Each retained Kalyx certificate prints a Freedom Diagnostics Search Code beginning with Kaly. PeptideBenchmark checked that code at Freedom’s public report host and kept the row only when the laboratory copy names a Kalyx Labs client. Client lines vary in capitalization and “LLC,” and those forms were treated as the same client. 77 of 79 distinct Kalyx origins resolved. Two did not: KLOW lot KLOW8-B01 (search code Kaly2604060415) and GHK-Cu 50 mg lot CU50-B02 (search code Kaly2605040369). Those two stay vendor-hosted documents with extracted purity, not provider-verified rows.

What the confirmed reports support:

• Identity, HPLC purity, and net content on all 77 provider-verified origins.
• An average reported purity of 99.7% (range 98.63% to 99.98%).
• Coverage across the peptides that are on the current pricing board, including historical lots, not only the newest file for each compound.

What they do not support:

• Endotoxin, sterility, or heavy-metals panels. Those results are not on these reports.
• A fentanyl line as a scored safety panel. Newer Freedom templates print a fentanyl result. This review did not score that line as a separate panel.
• Every future lot, or a certificate issued to a different client. About half the PDFs in the same library name Apex Peptides. Those files were excluded.

Shipping and identity, as the vendor states them

The footer identifies Kalyx Labs, LLC. The shipping policy says the company ships inside the United States only, not to P.O. boxes, and not internationally. Orders are typically processed in 1–2 business days. Support email is [email protected]. The terms select South Dakota law. No street address is published. The domain was registered on February 17, 2026, so public operating history is still short. That is published site and registration copy, not an inspected warehouse.

Where to look next

• See the live Kalyx Labs vendor profile for current scores and trust metrics.
• Browse Kalyx Labs certificates in the COA database.
• Compare prices on the Pricing board and build a stack in the Stack Builder.
• Read how scores are built in the scoring methodology.
• Open the vendor’s site at kalyx-labs.com.

Common questions

Is Kalyx Labs legitimate?

PeptideBenchmark does not issue binary legitimacy or product-safety endorsements. On September 23, 2026 we confirmed a public storefront at kalyx-labs.com, Kalyx Labs, LLC in the footer, U.S.-only shipping, and Freedom Diagnostics certificates whose Search Codes resolve at the laboratory when the client field names Kalyx Labs. Those facts support an inspectable vendor record. They do not establish the identity, condition, or safety of any physical vial.

Does Kalyx Labs publish COAs?

Yes. Certificate PDFs are publicly downloadable. The September 23, 2026 review retained 79 distinct Freedom Diagnostics origins whose client is Kalyx Labs, and confirmed 77 of them at the laboratory. Two Kalyx-client certificates did not resolve at Freedom’s public object host. The media library also contains certificates issued to Apex Peptides; those were not counted as Kalyx evidence. Product pages and the lab-reports browser ask visitors to sign in.

Are Kalyx Labs COAs independently verifiable?

Most of the retained certificates are. Each prints a Freedom Diagnostics Search Code (Kaly…) that resolves at the laboratory when the client field names Kalyx Labs. The reports support identity, HPLC purity, and net content for the named sample. They are not treated as proof of endotoxin, sterility, heavy metals, or every future lot.

Does Kalyx Labs ship outside the United States?

The public shipping policy says Kalyx Labs ships within the United States only, does not ship to P.O. boxes, and does not offer international shipping. No street address is published. The terms select South Dakota law. That is a published shipping and legal signal, not an inspected fulfillment facility.

Does PeptideBenchmark have an affiliate relationship with Kalyx Labs?

Not on the September 23, 2026 review date. On September 25, 2026 PeptideBenchmark added a relationship: code peptidebenchmar is 25% off, and product links add ?ref=benchmark. That does not change the evidence findings or the score. The public banner code KALYX did not stack with it. The dashboard 10% figure is partner commission, not a second shopper discount.