Feeling anxious is very common - a lot of people feel that way in the early days. 
Maybe try an online meeting - you can attend and don’t have to turn on the camera:
24 hour zoom marathon meeting
Code : 292 371 2604
There are more here:
Take care and keep focused on your goal. If you’re choosing that something matters - if you’re choosing that being healthy and grounded (meaning: sober) matters - then just take one little step per day, and keep reaching out and sharing (here or in your meetings). Getting clean and healthy is about sticking with it and learning to take care of yourself in healthy ways - and you can do it.
One helpful word is HALT:
Hungry (so I need to eat)
Angry (so I need to talk with someone about it)
Lonely (so I need human connection - this can be at a meeting, online or in person, or here on TS, or wherever you can have a safe human connection)
Tired (so I need to rest / sleep)
If we ignore those four things it puts us in danger. Learning to pay attention to ourselves and meet our healthy human needs is a big part of getting healthy and clean