Search products
Search the catalog by name or ingredient
Search the catalog by name or ingredient
10ml*10vials
4.7· 12 reviewsvitamin B12 — a laboratory diluent/consumable for reconstituting and handling lyophilized research peptides. Supplied for laboratory research use only.
Research use only. For laboratory research use only. Not for human consumption. By purchasing you affirm you are a qualified researcher acquiring this material for lawful laboratory research.
30-Day Reship Guarantee. If a vial arrives damaged or a lot doesn’t match its COA, we reship or refund — no questions asked.
vitamin B12
$30.00
Total for 3 items
$98.80$104.00
5% volume discount applied
Good to know
No slogans, no “trust us.” Here is the exact path every PepBiotics vial takes before its lot number ever reaches your label.
Solid-phase synthesis, then lyophilized to a stable powder. Each production run becomes a single traceable lot.
Reverse-phase HPLC quantifies purity and resolves impurities — the headline percentage on every certificate.
ESI mass spectrometry confirms the molecular weight matches the target sequence. No guessing what's in the vial.
Lab results
Every lot links to its full Certificate of Analysis from Aegis Bioanalytical Laboratories, an independent ISO/IEC 17025-accredited lab — each with a Report ID you can verify.
This product’s first production batch is at the lab now — results are published here before it ships.
Questions
Reviews
Keep exploring
Every result is signed by Aegis Bioanalytical Laboratories and published to the vault — searchable by the lot number on your label.
Research diluent
Research diluent4.7
Based on 12 reviews
Packaging was discreet and protective, labels crisp, and the lot resolved to a real report in the COA vault. Zero complaints.
Third order across two different lots and both COAs line up. Consistency matters more than a headline purity number, and they deliver it.
Material was as documented, but one outer box arrived a little crushed. Contents were protected so no real harm.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
Being able to look up the certificate by lot number before ordering is the whole reason we switched. Documentation is impeccable.
Everything checked out against the COA. Shipping took a day longer than expected but arrived well packed.
No issues with the material itself. The label print was slightly faint on one vial but still fully legible.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
Ran our own analytical HPLC on the lot and it agreed with the published COA within tolerance. Identity confirmed by MS. This is what a research supplier should be.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
Packaging was discreet and protective, labels crisp, and the lot resolved to a real report in the COA vault. Zero complaints.
Lyophilized cake dissolved fully in bacteriostatic water with no cloudiness or residue. Net peptide content on the COA let me hit exact working concentrations.
