2 years ago we did our kitchen and used yacht varnish. It's very hard wearing, waterproof and can choose to get it shiny or not. I'd go with that but others may have a different opinion. I'd argue the yacht varnish will only need re-doing every 10 years or so with a light sanding then add a coat.
Yacht varnish will be pretty stinky for a while; the products that won’t be will water based, so less effective at preserving the wood.
Like the others have said its good but takes a while to fully cure. I have used it on boat woodwork in the past but thought it would be good for a table so I gave myself extra time for the drying.
Regards
John
Read the tin. I recall it being used as a plotline in some TV show as a kid (Columbo or similar), didn't fully cure and slowly sent the occupier loopy.
Every tin of yacht varnish I've consulted as an adult either explicitly says for indoor and outdoor use or fails to mention any warning about indoors.