Consuming coffee after a meal or with a sweet treat is a popular practice, but it may have a significant impact on diet, nutrition, and overall health, as warned by nutritionist Júlia Farre.
According to Farre, coffee can interfere with the assimilation of certain nutrients. The chemicals in coffee can react with the body and other compounds in a way that hinders the absorption of specific nutrients, potentially negating the benefits of a nutritious meal.
Individuals aiming to increase their intake of iron or calcium need to be especially cautious, as coffee can impair the absorption of these nutrients. The polyphenols in coffee can bind to iron molecules, inhibiting their absorption by the body. Additionally, caffeine can accelerate the excretion of calcium in urine, reducing its proper utilization by the body. This diuretic effect can also lead to the excretion of water-soluble vitamins such as vitamin B, vitamin C, magnesium, and potassium.
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In addition to these interferences, Júlia highlighted that coffee increases acid secretion in the stomach, potentially causing heartburn or reflux in some individuals.
To mitigate these effects, she recommended that most individuals limit their coffee consumption to two or three cups per day. However, when consumed at the right time, coffee can offer numerous health benefits. According to the expert, the morning is the ideal time to enjoy a cup of coffee.
In the morning, caffeine can provide benefits such as enhanced alertness, energy, concentration, and dopamine production, setting a positive tone for the day. Morning caffeine intake can also kickstart metabolism, potentially aiding in weight loss, while the antioxidants in coffee can protect cells from daily damage.
Research also suggests specific health benefits of coffee, including a potential 23% reduction in the risk of developing gallstones with a daily consumption of at least six cups. However, individuals with existing gallstones are advised to avoid coffee due to its potential impact.
Moreover, coffee contains compounds like kahweol and cafestol, which have demonstrated the ability to inhibit the growth of prostate and kidney cancer in laboratory studies.
In conclusion, while coffee can offer health benefits, understanding its impact on nutrient absorption is crucial for optimizing overall health and well-being.