This overview was researched for the German market. In your country the brands and their owners may be different.
For all four, I checked the commercial register (Handelsregister) and press releases: no corporation, no financial investor. No affiliate programme, no commission, no links. They’re here because I checked them. For no other reason.
Waldkraft
Alveda GmbH, Berlin
Food supplements and complementary feed for people and animals.
I earn nothing here
NATURTREU
ZENKOH GmbH, Rellingen · owner-run
Vegan nutrient complexes, according to the manufacturer without colours, artificial flavourings or magnesium stearate.
I earn nothing here
edubily
edubily GmbH, Wallerfangen · founder-run
Food supplements, protein and collagen powders. Flavoured versions sweetened with stevia.
I earn nothing here
Ogaenics
Novel Nutriology GmbH, Hamburg · run by its women founders
Certified organic food supplements, nutrients from plants, mushrooms and algae.
I earn nothing here
As of September 2026. Ownership changes; when in doubt, the German commercial register (Handelsregister) is authoritative.