Some drinks contain nutrients that support brain function and protect brain cells, and may help maintain memory and focus over time. While no beverage can prevent cognitive decline on its own, research suggests that certain drinks may support brain health when consumed regularly as part of a balanced diet.
1. Green Tea
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Green tea contains compounds with antioxidant and anti-inflammatory properties and has been studied for potential benefits related to metabolic health, aging, and immune support. Green tea has been widely studied for its effects on brain health. Regular consumption appears to be more beneficial than occasional use.
Green tea contains catechins, antioxidants that may reduce oxidative stress in the brain. It also provides L-theanine, an amino acid linked to improved attention and calm focus, especially when combined with small amounts of caffeine.
Why it may support brain health:
- Promotes alertness without overstimulation
- May protect neurons from damaging oxidative stress
- Associated with improved working memory in some studies
2. Coffee
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Coffee is a major dietary source of antioxidants and has been extensively studied for its effects on brain health. In the short term, caffeine in coffee works by blocking adenosine, a neurotransmitter (brain chemical) involved in promoting sleepiness. This effect can temporarily improve alertness, reaction time, and concentration.
Observational research suggests that over time, moderate coffee consumption may be associated with a lower risk of age-related cognitive decline. Researchers note that these potential benefits likely reflect the combined effects of caffeine and other bioactive compounds in coffee, rather than caffeine alone.
Potential brain benefits associated with moderate coffee consumption include:
- Improved alertness and attention
- Faster reaction time and mental processing speed
- Support for dopamine signaling, which plays a role in motivation and movement
- Possible protection against neurodegenerative conditions, such as Alzheimer’s disease and Parkinson’s disease
- Neuroprotective effects linked to antioxidant and anti-inflammatory compounds
3. Blueberry Smoothies
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Blueberries are rich in flavonoids, especially anthocyanins, plant compounds linked to brain health. Research suggests that eating blueberries regularly may support memory, learning, and overall cognitive function by helping protect brain cells from oxidative stress and inflammation.
Blending blueberries into smoothies or drinks helps retain many of their beneficial compounds while making them easy to consume regularly.
How blueberry drinks may support brain health:
- Help brain cells communicate more effectively
- Support learning and memory processes
- Reduce inflammation linked to brain aging
- Provide antioxidant protection for brain cells
4. Beet Juice
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Beetroot contains a combination of dietary nitrate, betalains, and polyphenols that may support brain health. Research suggests these compounds help improve blood flow, support antioxidant defenses, and influence processes involved in cognitive decline.
Dietary nitrate from beetroot increases nitric oxide, which helps improve blood flow to the brain. Research suggests nitrate-rich foods may support brain blood flow and be linked to slower cognitive decline, while other beetroot compounds may help reduce oxidative stress and inflammation.
Potential brain-related effects of drinking beet juice include:
- Improved blood flow to brain tissue
- Better oxygen and nutrient delivery
- Antioxidant support for brain cells
- Possible support for memory and cognition
Most studies are small, and more research is needed to confirm long-term benefits.
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5. Turmeric Golden Milk
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Turmeric contains curcumin, a plant compound with antioxidant and anti-inflammatory effects. Research suggests curcumin may help protect brain cells by lowering inflammation and oxidative stress, which are linked to cognitive decline.
Curcumin also affects pathways involved in memory and learning. However, it is poorly absorbed on its own, which limits how much reaches the brain. Consuming curcumin with black pepper may help improve absorption.
Potential brain-related effects suggested by research include:
- Reduced inflammation in the brain
- Antioxidant protection for brain cells
- Support for memory and cognitive function
- Possible neuroprotective effects
To get more turmeric and curcumin in your diet, make turmeric golden milk a staple.
6. Pomegranate Juice
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Pomegranate juice is rich in polyphenols, plant compounds with strong antioxidant effects. Research suggests these compounds may help protect brain cells by lowering oxidative stress and inflammation, which are linked to cognitive decline and Alzheimer’s disease.
Preliminary animal studies suggest that pomegranate compounds may also affect pathways involved in the harmful buildup of amyloid proteins and support healthy blood flow to the brain by increasing nitric oxide production. Together, these effects may support brain function over time. However, much more research is needed.
Potential brain-related effects may include:
- Reduced oxidative stress in brain cells
- Lower inflammation linked to brain aging
- Support for healthy blood flow to the brain
- Possible protection of memory-related neurons
7. Omega-3–Fortified Drinks
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Omega-3 fatty acids, especially DHA and EPA, are essential for normal brain function. DHA is the most abundant omega-3 in the brain and helps support communication between brain cells.
Research suggests omega-3 intake may benefit brain health in several ways:
- Support learning and memory
- Improve cognitive well-being
- Promote healthy blood flow to the brain
- Help protect brain cells from age-related damage
Fortified beverages may include dairy and plant-based milks as well as some juices and sports beverages.
Good Hydration Is Essential for Brain Health
Water plays a key role in brain function. The brain is made up of about 80% water, and even mild dehydration may interfere with focus, memory, reaction time, and mood. Research shows that people who are properly hydrated tend to perform better on tasks that require attention and mental processing.
Drinking water and other hydrating beverages regularly throughout the day helps support cognitive performance and may reduce fatigue and mental errors.