Open the Quick Action Wheel and select meditate.
Now select "Alchemy and Potions"
Now select "Drink Potions"
Drink any potions, being mindful of your maximum Toxicity rating.
Escape out of the menus, then press space to stop meditating.
Like, I can see the train of thought where they're trying to make the UI emulate the fiction.
Things are grouped by conceptual relevance rather than gameplay need.
It's compelling, but last night's stream was a stark reminder of why I bounced off so hard 9 years ago.