- 01
Typography
Source Serif 4 & Hanken Grotesk
Display set in Source Serif 4, designed by Frank Grießhammer for Adobe. Body and labels in Hanken Grotesk from Pangram Pangram, distributed via Google Fonts. Both open-source.
- 02
Frontend
Next.js 16 · React 19 · Tailwind v4
Built on the Next.js App Router with React Server Components. Styling via Tailwind v4's CSS-first
@themesystem. View Transitions API for smooth route changes, native cross-fade where supported. - 03
Database & Auth
Postgres on Neon · Drizzle ORM · Auth.js
Persistent storage on Neon (serverless Postgres). Schema and migrations via Drizzle. Magic-link authentication through Auth.js v5 with the Drizzle adapter — no passwords stored.
- 04
Payments
NOWPayments · crypto rails
Crypto-only at launch via NOWPayments. Card processing (Visa / Mastercard via high-risk merchant) is on the roadmap for Q3 2026.
- 05
Email
Resend · transactional and announcement
Magic-link auth emails, order confirmations, and the batch announcement newsletter all delivered via Resend. Editorial HTML templates set in the same cream / amber palette as the site.
- 06
Hosting
Vercel · edge cache · OG generation
Deployed on Vercel with the next/og runtime generating dynamic Open Graph images at request time using the real site fonts.
- 07
Lab partner
Janoshik Analytical
The independent analytical lab whose name appears on every Certificate of Analysis. Full profile of the partnership on /lab.
- 08
Research literature
PubMed Central · NIH
Every product page references PubMed for the underlying research literature on each compound. Searches link out, not in — we don't summarize what others have published.
- 09
Open dataset
CC0 1.0 Universal
The batch ledger dataset is released into the public domain. Use it, cite it, build on it. Attribution not required.
- 10
Editorial
Reading list
Brand voice and editorial structure are indebted to a short reading list: Derek Sivers on the /now convention; Stripe's editorial typography; the long-form publishing conventions of magazines like Apartamento and The Gentlewoman. None of these are affiliated; the influence is one-way.
Colophon · Section 23
Credits & attribution
Colophon
Built with,
and standing on.
Every tool, font, and partner that makes this site work — named in the open so the credit lands where it belongs. If we've missed someone, write to sales@vspeps.com and we'll add them.
House rule
Credit attributed in public.
Same rule we apply to the lab.