About Dr.Oberstan
A functional nutrition brand built on science and a commitment to verifiability, focused on Naturally Homologous Selenium-Peptide.
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Brand story
Dr.Oberstan is a functional nutrition brand of Aosen (Hong Kong) Health Co., Ltd. It grew from long-term observation: categories had matured, yet supply stayed fragmented and hard to verify.
We start from raw materials to judge category value, join R&D at the formulation stage and buy up the IP for key processes, rather than reselling ready-made products.
We are equally restrained in how we communicate: we cite sources wherever we can, and spell out timing expectations and contraindications, so users can verify and judge for themselves.
Sources: World Health Organization · NutritionChinese Nutrition Society
Our principles
Every product decision is measured against science and quality
Evidence-based
We communicate through measurable markers and public literature, so claims can be verified
Cross-border collaboration
R&D and manufacturing resources are supplied jointly across Hong Kong, Greece, Spain and beyond
Process barriers
We buy key processes and lock in proprietary production stages, building lasting technical depth
Technology route: four stages, four kinds of accumulation
From requirement to production, turning distribution rights into ownership
Define the need
We start from real nutritional needs in the Chinese population and set clear formulation goals
Custom R&D
We define formulations and process parameters together with research institutes in Greece and Switzerland
Buy the patents
We acquire the intellectual property for key processes, upgrading from available to exclusive
Production rollout
Proprietary production stages are locked into controllable lines, forming accumulated process know-how
Sources: PubMed: research on wheat germ peptidesChinese Nutrition Society
R&D and manufacturing capability
R&D, manufacturing and research resources are distributed across several locations in support of product quality.
Content governance: verifiable and traceable
Content on this official brand site is compiled and reviewed by our content team rather than attributed to a named individual expert. Statements about data, literature and user records all state their source and how they were collected, so readers and machines can check each item against the original.
Source labelling
Literature entries list journal, publication year and DOI or PMID; test figures state the measurement basis and how to verify them, and no single figure is used to draw a conclusion.
Version basis
The revision date is written into the content sources section on the home page, the content freshness section of llms.txt and the lastmod of each page in sitemap.xml, all carrying the same date.
Corrections
If wording is out of date or no longer matches the latest original, send it through Contact us; after verification we update the text and record the revision date in the version note.
See content sources and how we compile them on the home page
This page was last revised on November 5, 2026, in line with the site-wide content freshness date.
Become a partner
If you are interested in Dr.Oberstan products, learn about our distribution partnership policy or contact us directly.