Transparent comparisons. Traceable prices.
Recognised names organise supplier listings for browsing. Original labels, ingredient combinations, modified forms and vial strengths remain separate; a closest-name grouping is not proof of equivalent formulations.
First-party sources and real observation dates
Prices are read from public supplier catalogue APIs or advertised product pages. Each offer retains its source link, original supplier label and actual observation time. Publishing the website never renews that time. Variable starting prices are not treated as selected-vial prices.
When can an offer enter a ranking?
Current price rankings require an approved exact formulation, the same vial strength, confirmed currency, a verified product listing and a check within 24 hours. Ingredient identities, forms and component masses must match. DAC and No DAC, acetylated forms and different blend ratios remain distinct. Grouping synonyms does not approve a formulation.
What happens when checks fail?
Suppliers with a failed latest check and their offers are hidden publicly until a later successful check. Their original records remain stored. Overdue prices from other readable sources can remain visible with their actual dates and are excluded from current rankings. An inaccessible website is not automatically a closed business.
What is excluded?
The public comparison follows the owner’s recognised-name list for research vials. It includes listed research compounds such as NAD+, AICAR, 5-Amino and SLU-PP-332; inclusion does not mean each compound is a peptide. Multipacks, creams, tablets, sprays, pens, accessories and diluents remain excluded. Unidentifiable and off-list materials stay in the internal audit backlog. Shipping, checkout taxes and conditional discounts are not silently added to listed prices.
Coverage and limitations
Listings are observations, not a complete market census or proof of stock. Source claims, certificates and catalogue inclusion do not establish product quality. Regional directories are separated by supplier market and currency; they do not promise delivery or convert prices.