The black/white pepper is a healthy promoting component if you absolutely don't have it then just do what you can it will still be very healthy for you.
It's an infusion. The acidity from the apple cider vinegar helps to draw nutrients out of the ingredients . By 4 weeks you'll notice the produce has lost its color and nutrients will be available to consume in the vinegar.
Can I use Cayenne pepper instead of the white pepper corn?
Most definitely you can add cayenne pepper but I would still add white or black pepper if you have it.
The black/white pepper is a healthy promoting component if you absolutely don't have it then just do what you can it will still be very healthy for you.
You dont say why or how it takes 4 weeks to make
It's an infusion. The acidity from the apple cider vinegar helps to draw nutrients out of the ingredients . By 4 weeks you'll notice the produce has lost its color and nutrients will be available to consume in the vinegar.