Here are few tips to keep healthy while in isolation (from the EUFIC).

This article by European Food Information Council contains helpful information to keep healthy while in quarantine, backed by evidence-based science. There are also useful links at the bottom of the page.

https://www.eufic.org/en/healthy-living/article/7-tips-to-keep-healthy-while-in-isolation-or-quarantine-covid-19