I‘ve seen the „Ukraine is gonna run out of material at some point“ mentioned a bunch in the last few days and am genuinely curious: Aren‘t they getting resuppli

I‘ve seen the „Ukraine is gonna run out of material at some point“ mentioned a bunch in the last few days and am genuinely curious: Aren‘t they getting resupplied by NATO? Trying to run a NATO aligned state who is not physically cut off from western supply lines out of munitions seems insane, am I missing something?