Supporting focus and memory may start at the breakfast table. Some common foods provide nutrients the brain needs, while meals high in sugar and ultra-processed foods may not be the best way to start a long day.
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According to a report published by Health magazine, five foods can be easily added to breakfast because they contain unsaturated fats, antioxidants, protein, and other nutrients linked to brain function.
However, current evidence does not mean that any single food can improve memory or prevent cognitive decline, as some findings are based on small or short-term studies.
Walnuts: Mixed Results for Memory
Walnuts are among the options researchers have examined. One small study tested the effects of eating walnuts as part of breakfast among 32 healthy people aged 18 to 30.
Participants ate a meal containing 50 grams of walnuts during one stage of the study and a similar meal without walnuts during another.
The results showed faster response times after eating walnuts, but the effect on memory was inconsistent. Performance declined in one test two hours after eating them, before improving in another test six hours later.
Therefore, the study does not prove that walnuts generally improve memory, but it suggests they may have short-term effects on cognitive function that require further research.
Blueberries: Potential but Temporary Benefits
Blueberries contain plant compounds called anthocyanins, which are antioxidants that researchers are studying for their possible role in brain health.
A recent systematic review of 13 studies found that eating blueberries was associated with temporary improvements in information recall among some children during the hours following consumption.
However, the results were not consistent across all studies, and they do not prove a lasting effect on memory or learning ability.
Eggs: An Important Source of Choline
Eggs contain choline, a nutrient the body uses to produce acetylcholine, an important neurotransmitter involved in memory, learning, and attention.
Eggs also provide protein, lutein, and several vitamins and minerals, making them a nutrient-rich breakfast option.
Some studies have linked egg or choline intake to limited improvements in certain cognitive measures, but the evidence is not sufficient to consider eggs a treatment for memory problems.
Oyster Mushrooms: Early Evidence
Preliminary findings from a small study suggest that eating an amount of oyster mushrooms equivalent to about one cup of fresh mushrooms may be associated with limited changes in mood and mental fatigue among older adults in the hours after consumption.
However, the study was small, and its findings cannot be generalized to all types of mushrooms or age groups. There is also not enough evidence to show that adding mushrooms to breakfast directly improves cognitive function.
Avocado: A Small but Longer-Term Study
Avocados contain unsaturated fats, fiber, and lutein.
In a small, randomized trial published in 2017, 20 older adults ate one avocado every day for six months, while another 20 participants ate potatoes or chickpeas.
The avocado group showed increased lutein levels and improvements in some tests of attention and working memory. However, the study did not specifically examine avocado as a breakfast food, and its small sample size limits the strength of its conclusions.
Overall, no single meal can guarantee better memory or improved concentration. However, a balanced breakfast containing protein, fiber, and unsaturated fats, while limiting sugar and ultra-processed foods, can be part of a dietary pattern that supports brain health over the long term.
