What is Caffeine and How Does it Work? - EnerHealth Botanicals

What is Caffeine and How Does it Work?

Many people rely on a cup of coffee or a can of soda to kickstart their day or stay awake during long hours at work. Caffeine, a natural stimulant found in various beverages and foods, has become a staple in our daily lives. But have you ever wondered how much caffeine is too much?

What is caffeine?

Caffeine is a naturally occurring compound found in the leaves, seeds, and fruits of certain plants. It acts as a central nervous system stimulant, temporarily warding off drowsiness and restoring alertness. Common sources of caffeine include coffee, tea, energy drinks, chocolate, and some medications.

How does caffeine affect the body?

When consumed, caffeine is rapidly absorbed into the bloodstream and reaches its peak level within 30 to 60 minutes. It blocks the action of adenosine, a neurotransmitter that promotes sleep and relaxation, leading to increased alertness and a sense of wakefulness.

Caffeine also stimulates the release of adrenaline, a hormone that prepares the body for physical exertion. This can result in a temporary increase in heart rate, blood pressure, and energy levels.

Recommended caffeine intake

The effects of caffeine vary from person to person, and some individuals are more sensitive to its effects than others. The Food and Drug Administration (FDA) recommends a daily caffeine intake of no more than 400 milligrams for most healthy adults. This is roughly equivalent to four cups of brewed coffee. 

It's important to note that certain groups, such as pregnant women, individuals with certain medical conditions, and children, may be more susceptible to the effects of caffeine and should limit their intake accordingly.

Signs of caffeine overdose

Consuming too much caffeine can lead to a range of unpleasant symptoms, including:

  • Restlessness and jitteriness
  • Increased heart rate
  • Insomnia
  • Headaches
  • Stomach upset
  • Anxiety

In severe cases, caffeine overdose can cause more serious symptoms such as irregular heartbeat, muscle tremors, and even hallucinations. It's essential to be mindful of your caffeine intake and listen to your body's signals.

When is caffeine too much?

While moderate caffeine consumption is generally safe for most individuals, exceeding the recommended daily limit can have negative consequences. It's important to be aware of your caffeine intake and consider cutting back if you experience any adverse effects.

If you find yourself relying on caffeine to stay awake or experience difficulty sleeping, it may be a sign that you are consuming too much. Additionally, if you have a pre-existing medical condition or are taking medications that interact with caffeine, it's crucial to consult with a healthcare professional to determine a safe caffeine intake level.

Many people have began switching from regular coffee to lower caffeinated coffee blends so they can limit the negative effects of caffeine without giving up their coffee. At Enerhealth Botanicals, we make a certified organic mushroom infused coffee line called NutriCafé. It is made with approximately 60 mg of caffeine per cup, compared to traditional coffee which usually has about 95 mg of caffeine per cup. NutriCafé tastes like regular coffee but does not give you jitters or a caffeine crash, it is all the health benefits of coffee and mushrooms without the negatives of traditional coffee. 


Caffeine can provide a temporary energy boost and increased alertness, but it's essential to consume it in moderation. Understanding your body's tolerance and being aware of the recommended daily limits can help you enjoy the benefits of caffeine without experiencing its negative effects. Remember, a balanced and healthy lifestyle is key to overall well-being.

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