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Third-party HPLC verified

Molecules,
assembled.

Peptides are a chain of amino-acid blocks in one exact order.
Every batch is third-party verified for that exact order, confirmed for purity,
then shipped to your door, fast.

99.2%+Avg purity
10K+Researchers
<48hrCold-pack dispatch
100%Batches with COA
Why Valence Bios

The peptide industry
has a verification problem.

Purity is a claim until a third-party lab measures it. We built Valence Bios around documentation you can check yourself, not adjectives you have to take on faith.

Most suppliers

"Trust us, it's 99% pure."

  • Purity asserted, never third-party measured
  • No batch-level documentation
  • Synthesis origin undisclosed
  • Ambient shipping on cold-chain compounds
Valence Bios

Here's the COA. Check it yourself.

  • Third-party HPLC and mass-spec, every batch
  • Public certificate tied to the batch on your vial
  • Named synthesis facility, disclosed on request
  • Insulated cold-pack, tracked and tamper-evident
Most researched

Shop products

View all 40+ compounds →
Frequently researched together

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Save $14
2 vials

BPC-157 + TB-500

  • BPC-157 10mg
  • TB-500 10mg
$126.00$140.00
Save $20
2 vials

CJC-1295 + Ipamorelin

  • CJC-1295 No DAC 10mg
  • Ipamorelin 10mg
$180.00$200.00
Save $25
2 vials

MOTS-C + NAD+

  • MOTS-C 10mg
  • NAD+ 1000mg
$225.00$250.00
Fun fact

Twenty blocks.
Everything else is order.

Proteins and peptides are built from the same twenty standard amino acids. Change nothing but the sequence and you get a different molecule with different behaviour, which is exactly why the order has to be verified, not assumed.

Nonpolar Polar Charged
Our process

Four steps.
Zero shortcuts.

01

Lab selection

Qualified synthesis labs vetted against strict cGMP and documentation standards.

02

Synthesis

Solid-phase peptide synthesis. One block coupled at a time, monitored at every step.

03

Verification

Third-party HPLC and mass-spec on every batch. Results published.

04

Dispatch

Cold-pack, tamper-evident, tracked and insured.

What to expect

Six things your supplier
should be able to prove.

Third-party testing

HPLC for purity, mass-spec for identity. Every batch, by a lab that doesn't work for us.

Batch-level COAs

Each vial carries a batch ID that resolves to its own public certificate.

99%+ purity floor

Lyophilized under controlled conditions. Anything below the floor doesn't ship.

<48-hour dispatch

Cold-pack, insulated, tracked and insured, with the matching COA in the box.

Disclosed supply chain

We name the synthesis facility and the testing lab. No unnamed intermediaries.

40+ compounds

Repair peptides, secretagogues, neuropeptides, copper complexes and lab essentials.

Common questions

What researchers ask
before ordering.

How is purity actually verified?

Every batch goes to a third-party lab for HPLC purity and mass-spec identity confirmation, plus endotoxin screening. The certificate carries the batch number, test date and the lab's name, and it's published before any vial from that lot ships.

What documentation comes with an order?

Each vial ships tamper-sealed with a packing slip referencing its batch ID. The matching certificate is on the product page and in your account, covering purity, identity and endotoxin results.

Where are these synthesized?

We disclose the synthesis facility and the testing lab on request. Compounds are solid-phase synthesized, lyophilized under controlled conditions, and held in cold storage until dispatch.

How fast do orders ship?

Dispatch is under 48 hours from a cleared order. Cold-chain compounds ship insulated with coolant, tracked and insured.

What if a batch fails my own incoming testing?

Tell us within ten days with your lab's report and we'll replace the vials or credit the order. We'd rather know than have you quietly stop ordering.

Are these products for human use?

No. Everything on this site is sold strictly for laboratory research use. Not for human or veterinary consumption, diagnostic, medical or cosmetic use. By ordering you confirm you are a qualified researcher.