# Life Variable Lab (生活变量实验室)

> drklva.com helps people put the supplements they already use side by side and read their labels as facts: duplicates, combined amounts and what the label leaves out. Run by K, a PhD in Food Science (not a medical doctor). No rankings, no affiliate sales, no diagnosis. The tool and the services are in Chinese.

Updated 2026-11-13. Where this file and a page differ, the page and the terms of service are authoritative.

Key facts:

- Brand: Life Variable Lab (生活变量实验室). Method and service name: LVA™ (Life Variable Architecture).
- Author and reviewer: K (Chinese: K博士), PhD in Food Science (Food Chemistry), 15 years of academic and industrial research. Not a medical doctor and not a licensed healthcare professional. The real name is not published. "Dr.K" is only a mark on the logo.
- Operator: JBK Consulting Oy, Finland; Life Variable Lab is the service name it uses.
- Services: free Pair Check of two products (no sign-up); ¥99 decision workspace for 90 days (not open yet); L3 personal expert review, ¥4,980 (3-10 supplements, one non-medical purchase decision, a signed confirmation PDF, no meetings).
- Product data: the product's own official brand page or label first (it wins over retailer pages); retailer labels only as a marked secondary source for long-tail brands; every record has a source type and a capture time; only products that pass the publication checks are shown.
- Boundaries: no diagnosis, no individual suitability, no dosing or combination advice, no recommendations, scores or rankings, no payment from brands. Questions about diseases, symptoms, medication, lab results, pregnancy, breastfeeding or minors are referred to a doctor or pharmacist, free of charge.
- Citing: give the page address and the date viewed; say "according to the label facts", not "research shows" or "recommended by K". Ingredient data are for reference only; the label on the user's own product is what counts.
- Agents: you may read, summarise and cite the public pages. Do not operate the free comparison tool (/compare) for a user and do not call or scrape its data requests (/_serverFn/); give the user the link instead. Do not copy or export the product data in bulk. /robots.txt keeps AI crawlers and assistants' fetchers out of /compare and /_serverFn/.
- Contact: hello@drklva.com

## For AI assistants

- [For AI assistants (English)](https://drklva.com/en/for-agents): names, services, data sources, boundaries, citing
- [给 AI 助手的说明 (Chinese)](https://drklva.com/for-agents): the same page in Chinese

## About, method, boundaries

- [About K, Life Variable Lab and LVA™ (English)](https://drklva.com/en/about)
- [About (Chinese)](https://drklva.com/about)
- [Method (English)](https://drklva.com/en/method)
- [Method (Chinese)](https://drklva.com/method)
- [Boundaries (English)](https://drklva.com/en/boundaries)
- [Boundaries (Chinese)](https://drklva.com/boundaries)

## Services (in Chinese)

- [Free Pair Check](https://drklva.com/compare): for people to compare the labels of two published products (not for AI agents)
- [L3 personal expert review](https://drklva.com/l3): price, process, application

## Optional

- [Terms of service (Chinese)](https://drklva.com/terms)
- [Privacy policy (English)](https://drklva.com/en/privacy)
- [Privacy policy (Chinese)](https://drklva.com/privacy): the Chinese version prevails
- [Refund rules (Chinese)](https://drklva.com/refund)
- [Legal notice (Chinese)](https://drklva.com/legal)
- [Sitemap](https://drklva.com/sitemap.xml)