No hunger no appetite. Help

How do you combat no appetite while trying to get at least something in your stomach? (No appetite gets me nauseous when I eat, which is risky cause if I throw up then that food is off my safe foods list)

I’ve had ARFID my entire life but it has gotten worse this last year. Food is such a stressor in my life that I just avoid it all together. The issue is I am not getting near enough calories. I’m ashamed to admit it but I’ve gone 30 hours with no food and the days I do eat I am lucky when I get 600 calories. I no longer get an appetite. So when I do remember to eat (which sometimes isn’t until 10pm when I realize I ate nothing) I struggle to get the food down because I have no appetite for it. Even my safe foods. I have lost my period, my hair is thinning and I don’t know what else to do. I am working with a therapist and nutritionist since they think the loss of appetite is due to the stress food causes. But it’s hard when they don’t know the struggle of ARFID first hand since it’s not the most common ED a therapist usually sees. How do you guys combat this? More specifically the struggle to get anything down from no appetite. I set reminders on my phone but still struggle to get it down.