There’s no easy fix for this
You can start by being honest and transparent.
This is only a misinformation problem because there is a trust problem.
There is only a trust problem because of a long history of repeatedly breaking that trust.
The absolutely last thing you want is for regulation to limit speech of the influencers. You want to give them no reason to think there is foul play. You have to fight it with the truth.
Remove corporations’ and political parties’ right to privacy. Privacy is for humans. Everything else goes on a public ledger.
Make all scientific publications public and free forever. Science should not be paywalled.
Always mark (not remove) misinformation and enforce a notification system on all platforms to users who saw content that later turned out to be misinformation. Always provide evidence for why it was misinformation. Make reading the misinformation notifications mandatory to keep your social media account.
Are all cucumbers imported? Those can be farmed in the US, I believe.
I suggest starting a small garden for various vegetables and spices to save money. For those living in apartments, you can make some in your windows.
Mini leeks are probably the easiest. I actually got an overwhelming amount just from two pots and barely needed to do any kind of maintenance.