Summary
Caffeine anhydrous is a highly concentrated form of caffeine made from the seeds and leaves of coffee plants, without water.
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It is more convenient to carry around in the form of a pill, gum, or gel, but is very potent and can result in an overdose.
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It is best to avoid using purer forms of caffeine, such as caffeine anhydrous, at home, as it is difficult to measure accurately and can lead to an overdose.
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