Not quite. I've been taking Beta-hydroxybutyrate (BHB) salts in powder form, mixed with water. Here is some interesting literature discussing its benefits as a metabolic regulator of proteostasis in aged and Alzheimer-diseased brains:
I use that as well. I found that it was a great way to slowly ween myself off caffeine while avoiding the caffeine withdrawals. My sleep is improving a little and I remember more dreams, not sure why.
https://pubmed.ncbi.nlm.nih.gov/37461525/ (same research article referenced in the post link)
I personally take it to manage brain fog due to long-Covid.