https://drholger.com/feed-en.xml 2026-08-22T00:00:00.000Z Dr. Holger Scheib dr@drholger.com https://drholger.com/en/blog/antinaehrstoffe-brokkoli 2026-07-10T00:00:00.000Z 2026-08-22T00:00:00.000Z

Phytate, oxalate, lectins: three words used online to warn against vegetables, whole grains and legumes. What is true, whom it applies to, and what the large cohort studies show about exactly these foods.

https://drholger.com/en/blog/detox-was-die-leber-braucht 2026-07-10T00:00:00.000Z 2026-08-22T00:00:00.000Z

There is not a single randomised human trial for commercial detox cures. What the liver actually does, why it needs no cleansing, and which detox product can demonstrably cause harm.

https://drholger.com/en/blog/gruener-tee-blutzucker 2026-07-10T00:00:00.000Z 2026-08-22T00:00:00.000Z

In the lab, flavonoids inhibit the enzyme that splits starch. I co-authored the paper myself. And I still don't say: proven. What the human meta-analyses show, and what they don't.

https://drholger.com/en/blog/vitamin-d-atemwegsinfekte 2026-07-10T00:00:00.000Z 2026-08-22T00:00:00.000Z

In 2017 the protection against respiratory infections counted as proven. In 2021 it was small. In 2025 it is no longer statistically significant. A story about how evidence ages, and why that is a good sign.

https://drholger.com/en/blog/zutatenliste-lesen 2026-07-10T00:00:00.000Z 2026-08-22T00:00:00.000Z

The front of the pack is the promise, the back is the truth. A chemist explains which terms are legally protected, which are pure marketing, and in what order you should read.

https://drholger.com/en/blog/warum-ich-an-die-oeffentlichkeit-gehe 2026-07-09T00:00:00.000Z 2026-08-22T00:00:00.000Z

I'm not an influencer. I'm a chemist. Why, after twenty years of research, I'm starting to write publicly about ingredients, and what you can expect here.