Unleashing the power of your brain: brain benefits of DHA
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Omega 3 brain benefits have been talked about for years and as the science evolves, a type of these healthy fats has gained popularity as it contributes to improved memory function[1]. Meet DHA or Docosahexaenoic acid, the fatty compound that impacts cognitive processes and overall brain health. Read more on DHA and the brain, and discover its origins, mechanisms, benefits, and real-world implications for your daily life.
DHA, one of the nutrient superheroes
At the heart of the omega 3 family lies DHA, a nutrient that is defined by researchers as being “required for maintenance of normal brain function in adults”[2]. So, what is DHA? DHA is like the friendly gardener of your body's town. Just as a gardener nurtures plants, DHA supports your brain to improve memory function[1]. It's a special nutrient that helps your town flourish, helping you function better. Being integrated into the building blocks of cell membranes allows it to influence the functionality of brain cells[3].
Sourcing DHA: from ocean depths to your plates
DHA is primarily acquired through your diet[4]. An adult should ingest at least 500mg of DHA daily to observe the brain benefits of DHA[4]. Cold-water fatty fish like salmon, mackerel, and sardines are rich in DHA. For example, in 100 grams of cooked wild Atlantic salmon, you can find about 1.4 grams of DHA[5]. These marine animals accumulate DHA by consuming algae which is the primary source of this potent fatty acid[2]. Besides seafood, DHA can be procured through algae-based supplements, catering to vegetarians and vegans seeking to reap its cognitive benefits. brain feed developed a plant-based and sustainable DHA supplement, encapsulating algal oil from algae cultivated in clear cylindrical piping - a method of cultivating algae on land that ensures marine animals’ food stays intact.
DHA, the brain and the art of communication
Exactly what does DHA do? DHA facilitates brain messaging[6] and plays an important role in modulating the release of brain messengers that contribute to processes such as learning and memory[7]. Think of DHA as a helpful mailman in your neighbourhood who delivers important letters from house to house. These letters are messages that your brain cells send to each other. DHA makes sure these messages get where they need to go quickly and without any mix-ups, so your brain can stay sharp.
Nourishing the mind with DHA
Neuroplasticity, the brain's remarkable ability to adapt and rewire, has also been shown to be augmented by DHA[8]. It enhances the flexibility of brain pathways, ensuring that the brain can efficiently adapt to new experiences and challenges[9]. A study on rats with brain trauma showed that DHA supplementation counteracted the decrease in the brain’s growth protein called BDNF which is pivotal for the growth and maintenance of neurons[8]. This growth factor has been shown to support neuroplasticity and the process of the formation of new neurons called neurogenesis[10,11].
Boosting your everyday excellence
The impact of DHA on brain function can also be seen in your everyday life. A study on people older than 55 years old showed that DHA supplementation “improves the cognitive function” resulting in fewer learning errors, and is favourable for individuals with mild memory complaints[12]. Results of another study on older people have shown that individuals supplemented with DHA had better verbal fluency and increases in the control centre of the brain called grey matter[13]. Studies involving a low number of healthy individuals supplemented with DHA showed positive impacts on cognition[14,15], whereas studies involving a higher number struggled to get the same findings[16,17]. More research is needed, however, as Dr Susan Carlson, Professor of Nutrition in the Department of Dietetics and Nutrition at the University of Kansas, USA says “adequate DHA intake may help in the retention of cognitive ability in adults”[18].
Through a DHA-enriched diet, you unlock the potential to aid your memory and learning, enriching your day-to-day life and taking a step toward a more cognitively vibrant future.
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