For people that really eat moreso to fill and be well, in good shape, not caring much, if at all, to the food's flavor (ofc, if it tastes horribly bad I would, but I don't eat thinking of hmm delicious things I'll eat) the Senzu bean would be really good for that. But it'd also depend how the feeling was. Like, if it came all at once and I felt stuffed as fuck initially it'd be bad... But if it satiated my hunger at the moment and it'd also go on like this in similar meal intervals for 3 days, it'd be lit. Also, supposing it could provide you the best nutrients each meal can offer, all essential vitamins, not filling like if I ate a chess burger in every meal lol, assuming it filled like eating a healthy and a little high protein meal, eating well, but enough to get what my body needs to maintain the weight or even increase it without going over the line.
Healing too... It'd be nice if it could heal from sickness specially though, which can not as Goku couldn't be healed from the heart virus. Tiredness idk if a senzu bean would have an effect on that, but for example, if I had slept 2 hours some night (or not slept well for days), was feeling like a zombie the following day, and the Senzu replenished my energy as if I had slept for 8 hours in the best way possible, and it felt natural, didn't do any damage to my body like a "fake momentary rest"... Damn, that would be the most in hand invention for sure. So yeah, the Senzu beans, same as SSJ2.
Compacting your stuff in capsules and taking them out throwing them into the ground would be very cool as well, would make organizing things easier and just carrying things with you way more practical, so that would be a second.
