Question 1

What is Caffeine?

Accepted Answer

Caffeine is a central nervous system stimulant found naturally in coffee, tea, and cacao and added to many products. It is also sold as a dietary supplement (tablets, powders, energy products). For healthy adults, FDA states that 400 mg/day is not generally associated with dangerous adverse effects.

Question 2

What are the common uses of Caffeine?

Accepted Answer

Caffeine is commonly used for Wakefulness/alertness support, Sports/exercise performance support (common use), Included in many energy and pre-workout products.

Question 3

How does Caffeine work?

Accepted Answer

Caffeine antagonizes adenosine receptors in the brain, increasing alertness and reducing perceived fatigue; it can also increase catecholamine release and affect physical performance in some contexts.

Question 4

What is the recommended intake of Caffeine?

Accepted Answer

For healthy adults, FDA states 400 mg/day is not usually associated with dangerous adverse effects. Individual sensitivity varies; lower limits are often advised for adolescents and during pregnancy.

Question 5

What are the side effects of Caffeine?

Accepted Answer

Common side effects of Caffeine may include Insomnia, Jitteriness/anxiety, Fast heart rate/palpitations, and others. Always consult with a healthcare professional before starting any supplement.

Question 6

Are there any warnings or precautions for Caffeine?

Accepted Answer

Avoid combining multiple high-caffeine products; excessive intake can cause significant adverse effects. Use caution if you are pregnant, have anxiety disorders, arrhythmias, uncontrolled hypertension, or are sensitive to stimulants. Additional precautions may apply.

Question 7

Does Caffeine interact with medications or other supplements?

Accepted Answer

Caffeine may interact with certain medical conditions. Always inform your healthcare provider about all medications and supplements you are taking.

Question 8

Is Caffeine FDA approved?

Accepted Answer

In the U.S., caffeine is regulated across categories depending on use (foods, drugs, supplements). As a dietary supplement ingredient, products fall under DSHEA and are not FDA-approved for effectiveness before marketing; caffeine also has specific regulatory history/limitations for certain food uses (e.g., cola-type beverages).

Question 9

Where can I buy Caffeine?

Accepted Answer

Widely available in foods/beverages and as OTC/supplement products in the U.S.

Caffeine

📋Overview

Common Uses

How It Works

Recommended Intake

Sources and Forms

Common Side Effects

Warnings and Precautions

Interactions

Regulatory Status

Availability

Frequently Asked Questions

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