What is decaf coffee?
Swiss Water Process method.

Regular coffee contains more antioxidants than fruits and vegetables combined, making it the most important source of antioxidants throughout the Western diet. Antioxidants are compounds that have been shown to protect against a variety of lifestyle disorders, including type 2 diabetes and heart disease.

Decaf coffee normally has the same amount of antioxidants as regular coffee, but some reports have found that levels may be up to 15% lower due to decaffeination losses. Despite this potential small drop in antioxidants, numerous studies have found strong associations between decaf coffee consumption and health benefits. Drinking coffee, both regular and decaf has been linked with a reduced risk of type 2 diabetes. Each daily cup may reduce the risk by up to 7%.

While the effects of decaf on liver function have not been investigated as thoroughly as those of regular coffee, one major observational study linked decaf to lower levels of liver enzymes, suggesting a protective effect.
Decaf consumption has also been linked to a minor but substantial reduction in the risk of premature death, stroke, and heart disease. Standard and decaf coffee both appear to have beneficial effects on age-related mental decline, with human cell studies indicating that decaf can protect brain neurons. This can aid in the prevention of neurodegenerative diseases such as Alzheimer's and Parkinson's.

Improved capacity, attitude, metabolic rate, and athletic performance are only a few examples. However, if you are caffeine sensitive or have a medical condition that would benefit from a caffeine-free diet, decaf coffee is still a great option. It's completely healthy and has many of the same health benefits as standard coffee, but without the caffeine.