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Caffeine

Caffeine
By Foodbe.ai · June 22, 2026

Caffeine acts as an adenosine-blocker in the brain, enhancing alertness and focus by preventing the calming effects of adenosine from taking hold. This stimulant can support cognitive and athletic performance, making it a popular choice for those seeking an energy boost. With zero calories per 100 grams, caffeine is often consumed in various forms, from coffee to energy drinks, which can sometimes create a perception of function that outweighs scientific backing.

The history of caffeine consumption is rich and varied, with coffee facing scrutiny throughout the ages—from bans by European monarchs in the 17th century to modern debates about its health implications. Matcha, on the other hand, has its roots in a meditative practice in Japan, where Zen monks utilized powdered tea to maintain focus during long sessions. This ceremonial use evolved into the Japanese tea ceremony, which emphasizes tranquility and presence, mirroring the calming effects of the L-theanine and caffeine combination.

In the kitchen, timing your caffeine intake can significantly affect energy levels. For instance, addressing the common 3 PM energy dip with a small plate of protein and fat can help manage hunger and prevent overeating later. While tea offers a gentler caffeine experience compared to coffee, it still provides a boost without the same stimulating effects on the digestive system. Be mindful of your hydration, especially when consuming caffeine, as it can lead to dehydration.

🌱 Diets
VeganVegetarianKetoPaleoGluten-Free
🦠 Gut health
gut irritantstimulates motilityacid producing
😋 Flavor
bitterearthyaromatic
♻️ Environmental Impact
🚗 Driving 40 miles🛁 1 full bathtub per cup

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About this article

Foodbe.ai exists to inform consumers about the food they buy and eat. Every claim is cited. Sources: NIH, USDA, FDA, Smithsonian, and JSTOR.

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Nutrition per 100g
Calories0
Protein0g
Fat0g
Sat fat0g
Fiber0g
Sugar0g
Sodium0mg
Cholesterol0mg
Iron0mg
Vitamin C0mg
Vitamin D0mcg
AllergensNo major allergens
Swaps
MatchaYerba MateGreen Tea