If you've only just started running, do you really need them? They are not surprisingly quite high in glucose so you may not need that much. I've used them for marathon distances but not for half marathons.
Also, in my experience, they don't taste good and you end up having to take a sticky tube home with you.
Yes you may well need to do/take something to help avoid/cope with hypos.
Part of that is to do with adjusting insulin and timing of your run.
There are many variations on what people do. Some people take jelly babies/beans with them. I don't like jelly so tend to use dextrose tablets. You can also try taking lower glycemic carbs just before a run. When I was running about 10 miles, I used to have half a low gi bar just before starting and perhaps have the other half later on