Caffeine - Good or Bad?

Updated: Jul 20


The health effects of caffeine are controversial. Caffeine acts as stimulant by activating the central nervous system, it can counteract tiredness and improve concentration and focus. However, ingesting caffeine in high doses may lead to more harmful effects on health. Caffeine is found in coffee, tea, energy drinks, chocolate, and some medicines.


The Good

Caffeine may have some health benefits , but not all of them have been confirmed by research and include:

  • May boost long term memory.

  • Linked to decrease risk of Paterson’s disease and Type 2 Diabetes.

  • Reduce risk of cancer, osteoporosis and gum disease.

  • Weight loss.

  • Improve energy levels.

  • Improve physical performance.

  • Contains essential nutrients.

The Bad:

Several unwanted side effects of consuming more than 400mg of caffeine per day are;

  • Commonly disrupts sleep quantity and quality.

  • Can act as a diuretic.

  • Increases heartbeat.

  • Increases the release of stomach acid, which may lead to upset stomach or heartburn.

  • Increases blood pressure.

  • Can cause tremors.

  • May increase anxiety.

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