Questions About Caffeine

I looked at the extraction of caffeine here and in other places and it is often harsh chemicals or laboratory equipment. But I see all sorts of things like water and donuts with caffeine added artificially.
I started the wine and give you really want to know whether there was a way to extract caffeine from a single source, as can, for example coffee or tea, then add certain other supplies.
Or, barring that, it is legal to produce or buy directly caffeine crystals everywhere are safe to eat? It must, it seems that the entire beverage industry of relying on it.

Basically, I'm making a concentrated source of caffeine, without caffeine pills to buy. Has anyone ideas how to caffeine than coffee at home? Thank you.

I drink an energy drink if Monster has 160 mgs of caffeine per serving. At first I was a "kick" from caffeine, but I want to know if I fade to continue drinking, the effects?

Caffeine is soft drinks contain caffeine, anyway? Is it completely free of caffeine? How about decaffeinated coffee? Thank you. With more details get the best answers.

How much caffeine is in coffee beans covered in chocolate? I just wonder how I can eat before an overdose of caffeine. How's the coffee?
Thank you guys!

I try to pay attention too much caffeine, it makes me nervous, since I started with a particular antidepressant.
Works like a chai latte compare caffeine of a cup of coffee or 20 ounces of freshly brewed Lipton black tea? Thank you!

For example, if I 50 mg of caffeine, such as drinking plenty of water should I compensate for the drying effects of caffeine?

I am addicted to caffeine, coffee and soft drinks. I know it's not good for me, especially soda, if I want to break really. How can I wash my system naturally to detox them? I do not like getting healthier and the withdrawal of caffeine.

We talked about various issues concerning the effects of pop and bone and a large number of responses have been circulating the caffeine as the cause. So I guess without caffeine would be the lesser evil?

When I strengthen new programs, start the body and weight loss, it is usually a diet. These diets always say caffeine permanently. Why? I went to Curves, had 2 sizes, but my fat index remained unchanged. They asked if drinking caffeine. Yes!