If you're asking genuinely, yes it can be condescending to persist in asking for 'exactly' what they've done, especially when the discussion isn't focused on their diet or their success and failure.
People tend to not want advice when they're not seeking it, and when someone wants to dissect every detail of what they've done that hasn't worked, when they mentioned it merely as an anecdote, it tends to be perceived as condescending.
alt Hacker News
If you're asking genuinely, yes it can be condescending to persist in asking for 'exactly' what they've done, especially when the discussion isn't focused on their diet or their success and failure.
People tend to not want advice when they're not seeking it, and when someone wants to dissect every detail of what they've done that hasn't worked, when they mentioned it merely as an anecdote, it tends to be perceived as condescending.