Simply put, caffeine anhydrous is the dry powder form of caffeine. The word anhydrous indicates it does not contain water. From a chemical perspective, caffeine occurs naturally in plants. It helps plants grow by preventing insects from eating the plant’s leaves or roots, by paralyzing and killing them. The strongest and most dense levels of caffeine are typically found in coffee beans, cocoa beans, and guarana plant seedlings.
While in powder form, caffeine takes up minimal space considering its general potency. This allows it to be easily combined with other ingredients used in common weight loss and workout enhancement supplements. Some supplement manufacturers claim the powder form is absorbed into the body faster than the liquid form, but there is no evidence to support this claim. Most research indicates there is no real difference between the powder and liquid form of caffeine.
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