Earlier quoted context omitted.
Why should you eat the skins? I've heard they contain all the nutrients but I read an interview with a nutrition expert who said that was wrong (makes sense, too). He also said the highest concentration of nutrients was near the surface so I guess leaving the skin on serves this purpose (but not the skin as such! :-) I would leave the skin on on so called early potatoes that have really thin skin. And I am using a Vi…
Most of the fiber is in the skin[1]. There's some debate about if it also contains more pesticides etc. but you can grow your own or buy organic. It is true that you want to keep your potatoes in the cool and dark, since when they green they become more toxic[2]. 1: https://www.healthline.com/nutrition/foods/potatoes#nutritio... 2: https://ask.usda.gov/s/article/Are-green-potatoes-dangerous
Concerning the potatoes there's some kind of preservative they put on the potatoes to inhibit germination (on non-organic potatoes). They used Chlorpropham but that seems to be prohibited since 2020 (in the EU?), now they use Maleic hydrazide but I don't know about any health issues.