Field notes from the shelf.
Founder letters, deep reads on each product, operations posts on how a shipment actually moves. Written plainly. No affiliate content, no guest posts.
- Operations5 min read
Cold-chain from Osaka: how we get a brown bottle to your door
An operations post on why temperature-controlled air freight matters for B-vitamin stability, how the reservation math actually works, and what a single shipment looks like.
Read → - Operations5 min read
The business of not calling it a cure
A transparency post on the single word our category is legally not allowed to use, the 2023 FDA warning letters that explain why, and the ZBiotics playbook we're quietly borrowing from.
Read → - Field note7 min read
What people in Japan actually reach for after a long night
A cultural map of a Japanese kitchen cabinet the morning after a 3-hour nomikai — the liver drinks, the miso soup, the 5-minute konbini walk, and the one word no Japanese OTC product is allowed to say.
Read → - Deep read7 min read
Alpitan and Goreisan: what it means to sell an 1,800-year-old formula
The five-herb Kampo formula that Japan's Ministry of Health, Labour and Welfare still reimburses in 2026 — what it is, where it comes from, and why Kobayashi packages it in granule sachets for every Japanese drugstore.
Read → - Deep read6 min read
Lipovitan D: the original energy drink, 25 years before Red Bull
Taisho Pharmaceutical's 100 ml brown glass bottle has been on Japanese shelves since 1962 — 1,000 mg of taurine, 50 mg of caffeine, and a tagline every Japanese TV viewer knows by heart.
Read → - Deep read7 min read
Ukon no Chikara, explained: House Foods' turmeric drink since 2004
The aluminum-bottle neighbor to Hepalyse on every konbini shelf — 30 mg curcumin, 400 μg of a proprietary House-derived compound called bisacuron, and a 20-year run as Japan's best-selling turmeric beverage.
Read → - Deep read7 min read
Hepalyse W, explained: what's actually in the little brown bottle
A line-by-line look at the bottle Zeria has had on Japanese konbini shelves for fifteen years — the ingredients, the history, and what the product is not.
Read → - Field note6 min read
At the konbini: a short guide to the Japanese pharmacy wellness shelf
A visitor's orientation to the second cooler shelf from the bottom at every Lawson in Japan — the four functional-drink categories, who makes what, and why none of it is on a US shelf.
Read → - Founder letter6 min read
Why we built YOAKE: the pharmacy shelf I missed every time I left Tokyo
A founder's letter on the second shelf of every Lawson cooler, the cold-chain freight math that keeps these bottles off US shelves, and why the reservation model is the point — not a workaround.
Read →