Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Robusta coffee (Coffea canephora) contains significant amounts of caffeine, a well-documented psychoactive compound. The use of caffeine for the treatment of general headache, particularly tension-type headaches and as an adjuvant in migraine therapy, has scientific validation. Several clinical studies and reviews suggest that caffeine can enhance the efficacy of standard analgesics (such as acetaminophen or aspirin) in treating headaches. Caffeine’s mechanism involves antagonism of adenosine receptors, leading to cerebral vasoconstriction, which may counteract the vasodilation associated with headaches. Additionally, caffeine can reduce pain perception and improve alertness, which may be beneficial during headache episodes.

Robusta coffee, compared to Arabica, generally contains higher levels of caffeine (approximately 2.2–2.7% vs. 1.2–1.5% in Arabica), making it a potent natural source. While most clinical studies on caffeine do not distinguish between sources, the caffeine in Robusta coffee is chemically identical and should confer similar effects. However, excessive use can lead to rebound headaches and dependence, and caffeine’s effectiveness can vary among individuals. The evidence is mostly rated as moderate (3/5) because while caffeine’s benefit is well-supported, direct studies on Robusta coffee itself for headache relief are limited, and most evidence focuses on purified caffeine or mixed coffee sources rather than specifically Robusta.

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