Potion-danomi de Ikinobimasu!

Summary

Nagase Kaoru, a 22-year-old office lady, suddenly finds herself reincarnated in another world. To help her survive in this new world, a being that amounts to its god gives Kaoru a younger body and... the ability to make insanely overpowered potions?! The reincarnated Kaoru must use her knowledge and cheatery to survive!

(Source: Crunchyroll)