It would seem not as my MD has no problems with my drinking black coffee prior to coming in for blood tests.
Yes, they do. If anything has sugar in it ,it can raise your blood sugar!!
They don't make you high. They are full of caffine, sugar and water mostly. What you experience is a spike in your blood sugar level and the caffine has an effect too.
Yes
Soluble fiber does not raise blood sugar levels. In fact, it can help regulate blood sugar levels by slowing down the absorption of sugar into the bloodstream.
Consuming about 15-20 grams of sugar is recommended to effectively raise blood sugar levels.
No, but it probably has sugar.
Yes, sugar free foods can raise blood sugar. It depends if it has more then 5 carbohydrates in then most likely it will raise the blood sugar a bit but if you are not carbohydrate counting then i wouldn't worry too much about it
Glucagon raises blood sugar levels.
no
no
no
yes it does