Taking the caffeine out of Red Bull so I can drink it at night

A video on YouTube. In Science & Engineering, a Krater category.

Summary by Krater

The creator attempts to extract caffeine from Red Bull using dichloromethane to make a caffeine-reduced energy drink. After multiple extractions and a thin-layer chromatography test, he successfully reduces the caffeine content by about 24% and carbonates the syrup back into a drink.

From the video

Answers: Can you extract caffeine from Red Bull to make a caffeine-free energy drink?

caffeine extraction
liquid-liquid extraction
dichloromethane extraction
thin-layer chromatography
energy drink chemistry

What it concludes

Red Bull has a pH of 3.43.
Caffeine has a pKa value around 0.8 to 14 depending on sources.
Red Bull contains 80 mg of caffeine per 250 ml.
Liquid-liquid extraction with dichloromethane successfully reduced caffeine in Red Bull by about 24%.
Thin-layer chromatography confirmed the extracted solid was primarily caffeine.
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