From the passage that I read I would probably buy my own supplies for my first aid kit. It’s cheaper and I can make sure that I buy the quality that I want. I would possibly buy the name brand first aid kit with a little more than a few band-aids and bandages to help with minor cuts or scrapes, some aspirin and salve. Then purchase the other things that I need like gauze pads, moleskin (for blisters), scissors, hand sanitizer, etc. Those probably wont be name brand but will still be durable and use able.