Table 1.

Overview of the powdered Chlorella and Auxenochlorella biomasses.

Genus	Brand	Supplier	Place and year of purchase	Country of origin	Expiry date	Treatment after harvest according to the supplier	Species
Chlorella	Biotona	KeyPharm, Oostkamp, Belgium	Apo24.ch, Switzerland, 2019	China	03.2022	Dehydrated by a superior drying process	Chlorella pyrenoidosa
	Piura	Green Origins, Sheffield, Great Britain	Narayana Verlag, Germany, 2019	Asia	09.2021	Cell walls broken by an high-impact jet spray process before drying and milling	Chlorella spp.
	Purasana	Purasana NV, Gullegem, Belgium	Apo24.ch, Switzerland, 2019	Mongolia or Hainan	30.11.2021	Cell walls broken by an unknown treatment	Chlorella vulgaris
	Soleil Vie	Montasell SA, La Tour-de-Trême, Switzerland	Coop, Switzerland, 2019	China	26.10.2020	n. a.	Chlorella vulgaris
Auxenochlorella	Alver “Golden Chlorella”	Golden Chlorella SA, Chardonne, Switzerland	Alver.ch, Switzerland, 2018	n. a.	n. a.	n. a.	Auxenochlorella protothecoides (24)