What Happens To Your Bo...

Posted By

Pallavi Mehra

Date

March 10, 2025

What Is Decaffeinated Coffee?

Decaffeinated coffee, commonly known as decaf, is a type of coffee that has had most of its caffeine content removed. The decaffeination process removes about 97 per cent or more of the caffeine, leaving behind only trace amounts. Despite the removal of caffeine, decaf retains much of the flavour and antioxidants found in regular coffee, making it a popular alternative for those looking to reduce their caffeine intake without completely giving up coffee.

What Happens to Your Body When You Switch to Decaf?

1. Reduced Caffeine Dependency

One of the most immediate changes your body experiences when switching to decaf is a reduction in caffeine dependency. Regular coffee drinkers may develop a tolerance to caffeine over time, leading to withdrawal symptoms such as headaches, irritability, and fatigue when consumption is reduced. Gradually transitioning to decaf can help mitigate these withdrawal effects.

According to a study published in Psychopharmacology, caffeine withdrawal can lead to decreased cognitive performance and increased fatigue, but these symptoms typically resolve within a week.

2. Improved Sleep Quality

Caffeine is a stimulant that can interfere with sleep by delaying the onset of sleep and reducing deep sleep cycles. When you switch to decaf, you eliminate caffeine-induced sleep disturbances, potentially improving sleep quality and duration, especially for those sensitive to caffeine.

Dr Michael Breus, a clinical psychologist and sleep expert known as "The Sleep Doctor," states, "Caffeine has a half-life of about 5-6 hours, meaning it stays in your system longer than many people realize. Switching to decaf, especially in the afternoon, can significantly improve sleep quality."

3. Lower Risk of Acid Reflux and Stomach Irritation

Regular coffee is acidic and can trigger acid reflux or gastrointestinal discomfort in some individuals. Decaf coffee, however, is less acidic and gentler on the stomach, making it a better choice for those prone to acid reflux or gastritis.

A study published in Alimentary Pharmacology & Therapeutics found that caffeine can relax the lower oesophageal sphincter, increasing the risk of acid reflux. Switching to decaf may help mitigate these effects.

4. Reduced Anxiety and Jitters

Caffeine stimulates the nervous system, increasing alertness but also potentially leading to increased heart rate, restlessness, and anxiety. For individuals sensitive to caffeine, switching to decaf can reduce these jittery sensations and promote a sense of calmness.

Dr Uma Naidoo, a Harvard-trained nutritional psychiatrist, explains, "For people prone to anxiety, caffeine can increase symptoms. Decaf coffee allows them to enjoy the ritual of coffee drinking without the unwanted nervous system stimulation."

5. Potential Antioxidant Benefits Remain

Decaf coffee still contains essential antioxidants, such as polyphenols and hydrocinnamic acids, which help reduce inflammation and protect against oxidative stress. These antioxidants contribute to heart health and may lower the risk of chronic diseases like type 2 diabetes and neurodegenerative disorders.

A study published in The Journal of Nutrition shows that decaf coffee retains many of the polyphenols found in regular coffee, supporting cardiovascular health and reducing inflammation.

Health Benefits of Decaf Coffee

Heart Health: Some studies suggest that decaf coffee may support heart health by reducing blood pressure and lowering levels of LDL (bad) cholesterol.

Lower Diabetes Risk: Research published in Diabetes Care indicates that decaf coffee may help regulate blood sugar levels, reducing the risk of type 2 diabetes.

Liver Protection: Like regular coffee, decaf coffee has been linked to a lower risk of liver diseases, including liver fibrosis and cirrhosis, as per research from Hepatology.

Supports Brain Health: The antioxidants in decaf coffee may play a role in reducing the risk of neurodegenerative diseases like Alzheimer’s and Parkinson’s disease, according to a study in Neurology.

Gentler on the Stomach: Decaf coffee is less acidic and may be a better option for people with acid reflux or ulcers.

Potential Side Effects of Decaf Coffee

Still Contains Some Caffeine: While significantly lower than regular coffee, decaf still contains small amounts of caffeine, which may still affect people highly sensitive to caffeine.

Potential Chemical Exposure: Some decaffeination methods use chemical solvents, which may leave trace residues in the coffee, though these are generally considered safe in regulated amounts.

Possible Iron Absorption Reduction: Coffee, including decaf, can inhibit iron absorption, which may be a concern for people with iron deficiency anaemia.

Might Affect Cholesterol Levels: Some research suggests that decaf coffee made from certain beans may slightly raise cholesterol levels, though more studies are needed.

Who Should Avoid Decaf Coffee?

While decaf coffee is generally considered safe, some people should be cautious:

Those with severe caffeine sensitivity: Even small amounts of caffeine can trigger symptoms like heart palpitations and anxiety.

People with chronic kidney disease: The potassium content in coffee (including decaf) may not be ideal for people with kidney conditions.

People with iron deficiency: Since coffee can reduce iron absorption, people with anaemia should avoid drinking it with meals.

Pregnant Women: While decaf is a lower-caffeine alternative, some experts still advise limiting coffee intake during pregnancy to prevent any potential risks.

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