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Effective Alzheimer’s Prevention Diet: Compose It Correctly

Sandeep Dhanyamraju MD
Medically reviewed by Sandeep Dhanyamraju
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Sandeep Dhanyamraju MD
Medically reviewed by Sandeep Dhanyamraju

When it comes to a disease like Alzheimer’s, there is no one-size-fits-all diet cure for treatment. And what works for one person may not work for another. However, some general dietary guidelines can help reduce the disease’s risk. 

Remember, changing your diet is only one part of an overall plan to reduce your risk of Alzheimer’s disease – don’t forget to exercise regularly and keep mentally active. And to prevent your risk of dementia in advance, visit your doctor and get the necessary tests.

There are around 27 million people in the world currently who have Alzheimer’s disease, and the number could quadruple by 2050. Unfortunately, little attention has been paid to this problem in our world. The latest scientific research has shown that the emergence and development of this severe disease are preventable, and the primary way to prevent Alzheimer’s is through a proper diet.

In this article, we’ll talk about what a diet for Alzheimer’s prevention is and share some tips on how to make it right. 

What Are the Foods That Can Fight Memory Loss?

Suppose you want your mind to be sharp. In that case, you not only need to train it with logical tasks, but you also need to keep the brain diet. If you purposefully make a diet of certain foods, it is pretty realistic to improve memory, increase concentration, facilitate and accelerate mental work, and simply improve your well-being. The brain needs merely:

  • protein;
  • polyunsaturated fats;
  • carbohydrates;
  • vitamin C.

Also, many other vitamins, amino acids, antioxidants, minerals, and other substances improve their function and provide energy. All these substances can be obtained from food by organizing your health brain diet correctly.

So what are the foods our brain loves?

What are the foods that can fight memory loss

1. Green tea

In addition to its tonic effect, green tea contains the rare amino acid L-theanine. This substance acts as a neurotransmitter – it transmits electrical impulses between body cells, from nerve endings to the brain. Green tea helps reduce anxiety and alleviate depression. L-theanine enhances performance and improves cognitive brain functions by increasing blood flow. Note that green tea can lower blood pressure, so it is not recommended to drink it in the morning on an empty stomach. This drink can be suitable for an Alzheimer’s prevention diet.

2. Coconut

The fatty acids – lauric and capric – make coconut and unrefined cold-pressed coconut oil one of the best foods for dementia patients to eat. They help its cells to fight aging by improving their function. Coconut oil is recommended for the prevention of Alzheimer’s disease. It is not necessary to eat it with a spoonful. It can be added to oatmeal or fried instead of vegetable oil and baked at low temperatures.

3. Lentils

Lentils are high in vegetable protein and contain folic acid, iron, and B vitamins. They support biochemical processes in the brain and improve memory and reaction speed. Iron helps supply oxygen to the brain, essential for concentration and fighting fatigue.

4. Avocado

David Toman, the founder of Nootropics Expert, has spent more than a decade studying nootropics – substances that affect mental function, including memory and comprehension abilities. He cites the avocado as an important neuro stimulant because of its pantothenic acid (vitamin B5), which is responsible for long-term memory. That’s why it is suitable for diet for dementia. The acid is also found in dairy products, mushrooms, yams, shellfish, and fish, but in much smaller amounts. The deficiency of pantothenic acid leads to fatigue, depression, and dyspeptic disorders. Regular vitamin intake helps produce antibodies that protect the brain against harmful substances.

5. Spinach 

Spinach has the highest lutein content of all fruits and vegetables. It is foods that can fight dementia, prevent eye diseases, slowing down degenerative processes in the brain. Spinach is also rich in folic acid (vitamin B9), which improves memory and cognitive functions. Spinach is best eaten fresh, as heat treatment reduces the plant’s beneficial properties.

6. Cocoa

Cocoa beans are used to make chocolate, but a cup of cocoa without sugar is better for memorizing material or working on a serious project. Cocoa is considered a nootropic which is Alzheimer’s diet cure. The drink contains many brain-healthy substances, including magnesium, flavonoids, and tryptophan. Magnesium acts as a fuel for the body’s cells, eliminates nervousness, and helps you focus. The flavonoids in cocoa help strengthen and dilate blood vessels, which increases blood flow and makes the brain work better. A study by Professor Franz Messerli, published in the New England Journal of Medicine, confirms that regular cocoa consumption improves memory. In his research ‘Chocolate Consumption, Cognitive Function and Nobel Laureates’, the scientist claims that most of the prestigious prize winners are home to countries where a lot of cocoa is consumed. 

7. Walnuts are Foods for Memory

They slow down the aging process in the body. They improve brain function. They contain high levels of polyunsaturated acids. Vitamins B1, B2, C, PP, carotene. Trace elements – iron, iodine, cobalt, magnesium, zinc, copper. They also contain juglone (a valuable phytoncide substance).

8. Ginseng

To boost brain capacity, we consume coffee and tea. It does help, but only if you drink it in moderation – no more than two cups a day. If you overindulge in coffee, the “reward” will be a loss of reaction and mental clarity.

On the other hand, a few drops of ginseng tincture will improve mental performance without adverse effects. The effects of ginseng last longer than those of caffeine and tannin, but you should not abuse it. Just a few drops per glass of water, no more than two times a day, is sufficient for Alzheimer’s prevention diet.

What Vitamins and Supplements to Add to an Alzheimer’s Prevention Diet?

What vitamins and supplements to add to an alzheimers prevention diet

Scientific research suggests that people in the early stages of Alzheimer’s disease may benefit from fish oil and antioxidant supplements.

The research presents that the immune system cells of subjects with mild cognitive impairment after taking the supplements are more effective in “clearing” the brain of – amyloid – a peptide. Its accumulation in the brain is crucial in developing Alzheimer’s disease. You can see the whole list of supplements for the brain diet below. 

Vitamin B12

Vitamin B12 can be taken in supplements, and the daily allowance for adults is 2.4 micrograms. It is highly recommended for a dementia diet. Blood levels of vitamin B12 are checked regularly through a standard test, as several factors interfere with the absorption of the vitamin in the human body, and one of these factors is age.

Vitamin D

“Low vitamin D levels in the elderly were associated with a more rapid decline in cognitive function, particularly in the area of the brain responsible for memory, the impairment of which is associated with Alzheimer’s disease and dementia”, – reports a study of American scientists published in the journal JAMA Neurology. 

The results showed that cognitive decline in subjects with vitamin D deficiency was 2-3 times faster than in those with adequate vitamin status. In other words, the cognitive function of vitamin D-deficient issues declined in just two years, as did subjects with normal vitamin D status over five years. Add vitamin D to the foods that fight memory loss.

Vitamin С

Vitamin C deficiency causes connective tissue dystrophy in the body, slowing down or stopping collagen production. Vitamin C deficiency affects the balance of enzymes required for the functioning of organs and systems. The vitamin acts as a catalyst for metabolic processes. It protects the body and brain against mental or physical stress. It is beneficial in preventing Alzheimer’s disease.

What Foods Cause Memory Loss?

Salt, meat, butter – we consume these and other products almost daily. On Friday evenings or weekends, we eat a hamburger or pastry from the nearest delicatessen. It turns out that these foods are not only good for us: some of them make us less attentive, and others can even degrade our mental faculties to a minimum. Below, you can see a complete list of foods that cause memory loss.

What foods cause memory loss

Jerky and Sausages

Sausages, which we eat as part of sandwiches, pizza, or with eggs, distract our attention. It is not only due to their high salt content but because of protein and nitrogen. The components create a dehydrating effect, and we become disorganized. So, all you need to do to focus is drink more water than usual: a normal amount of liquid will increase your thinking speed by 14%. Water removes salt and nitrogen and is a useful energy source for the brain. Water is also responsible for producing dopamine and norepinephrine, which is important for the brain diet and responsible for transmitting nerve impulses.

Red Meat

Red meat is high in saturated fats, which harm brain activity and memory. One experiment showed that women whose diets were dominated by monounsaturated fats (e.g., avocados, nuts) showed higher cognitive abilities.

Those who ate saturated fats (including red meat) had worse results. Another research (5,038 participants) found that a diet rich in red meat contributed to a more rapid decline in mental acuity over 10 years.

Chewing gum

Chewing gum reduces your ability to remember, so it’s a bad choice for a dementia diet. Nevertheless, you don’t have to part with the universal breath freshener. Gum should not be chewed only during the learning process. The movements we make while chewing prevent us from concentrating on remembering at a particular moment, which means that our short-term memory function is weakened.

Creamy Butter

Like red meat, it is high in saturated fats. Butter consists of approx. 26% monounsaturated fats, 4% polyunsaturated fats, and approx. 60% saturated fats. A diet high in cholesterol and saturated fats causes inflammation in the brain and destroys the structure of proteins that regulate nerve cell function. All these foods cause memory loss and lead to impaired memory function.


Tofu is a superfood able to satisfy the protein requirements of vegetarians and people on different diets. Tofu has the most beneficial effect on young people. Older people (aged 68 or older) who ate tofu at least once daily were noted to have memory problems. The phytoestrogens in large quantities in tofu may increase the risk of dementia. So, it’s surely not the best food for dementia patients to eat. 

Low-carbohydrate Foods

Giving up foods high in carbohydrates makes it difficult for your memory to function after just one week on a diet. The brain needs glucose to function, which it draws from carbohydrates (e.g., potatoes, pasta). This substance is stored in the body in the form of glycogen. As a result of this mistakenly perceived brain health diet, there is less fuel to work properly. The negative effects of such a diet are felt when the glycogen reserves are used up.

In addition to memory, attention span and reaction speed will also decrease. One experiment showed that cognitive abilities return to normal once carbohydrates are introduced into a diet. Want to get your body in shape? Opt for diets that reduce calories rather than carbohydrates.


Tuna meat contains mercury, which tends to accumulate in fish and humans. Systematic exposure to this metal kills brain cells and causes irreversible changes in the nervous system. Fine motor skills and the ability to concentrate are affected.

For a woman weighing about 65 kg, 120-130 g of fish per week is sufficient to have this effect. If this is your favorite type of fish, choose the canned version as food for memory due to the much lower mercury content with this type of processing.


Flakes with milk or yogurt – is that a healthy breakfast? Cereal is unhealthy because it contains too much sugar. Many of them contain the preservative butylhydroxytoluene. It interferes with the hormones responsible for transmitting signals from the stomach to the brain. It also contributes to the development of obesity. The preservative is dangerous in large quantities, so you should not abuse cereal.

The same applies to granola and granola bars. For example, 100 g of the latter contains 15 g of sugar. It is comparable to a full cup of vanilla ice cream. Excess sugar affects the brain in the following way: it causes a loss of self-control, followed by overeating and weight gain.

Some Vegetable Oils

If the oil is bad for the brain diet, it seems logical to replace it with vegetable oil. Rapeseed, sunflower, and soybean oils have omega-6 fatty acids, which are suitable for skin, hair, and bones. But the amount of omega-6 should be balanced by the amount of omega-3 acids. An excess of the former causes inflammation in the body, while the latter has an anti-inflammatory effect, meaning the acids counterbalance each other.

Excess omega-6 leads to inflammatory processes, which increase the risk of Alzheimer’s disease and memory impairment. You should not give up sunflower oil, but you can reduce their intake and introduce oils rich in omega-3 acids (e.g., olive oil) into your diet.

Melted Cheese

Do you like melted cheese on toast? This classic product of the so-called western diet contains large quantities of saturated fats, many additives, salt, and sugar. All these foods increase the risk of neurodegenerative diseases, including Alzheimer’s disease, and cause memory loss. For example, Japanese people who ate a Western diet were more likely to get the condition than those who ate other foods.

Only the consumption of toasted cheese, which is essentially a cheese product, should be restricted. Regular cheese, especially low-fat cheese (ricotta, mozzarella), protects brain cells from degenerative aging.

Bottom Line

You have learned the best foods to prevent Alzheimer’s. Following the proper diet can reduce the risk of cognitive impairment, Alzheimer’s, cardiovascular, and many other diseases.

The specialists at Lone Star Neurology will advise and find the best solution for any problem in the area of neurological disorders.


  • What keeps Alzheimer’s away?

Try yoga, meditation, warm baths, nature walks, or breathing exercises.  It is also essential to watch your diet and stress. In addition to exercising your body, it is advisable to train your brain by solving non-standard concerns. Changing your lifestyle according to these rules will significantly reduce your risk of Alzheimer’s disease!

  • Do eggs prevent Alzheimer’s?

Eggs have an organic compound called choline, which can protect us against Alzheimer’s disease. It is good for a dementia diet, the liver, and for avoiding memory lapses.  If you suffer from forgetfulness and can’t remember where to put your keys, include hard-boiled eggs in your diet or start the day with a fried egg.

  • Does coffee cause Alzheimer’s?

Research has shown that coffee reduces the risk of Alzheimer’s disease and other forms of dementia. Drinking 3-5 cups of coffee daily reduces the risk of dementia by 65%. According to research, people who drink coffee are 20% less likely to suffer from depression and 53% less likely to commit suicide.

  • Are bananas good for Alzheimer’s?

Bananas help to improve concentration and mental performance. Such foods fight dementia lift your mood, calm your mind, and will be good for replenishing glycogen stores in the body. Studies have shown that eating bananas reduces blood pressure, the risk of stroke, and neurodegenerative diseases such as Alzheimer’s.

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Edward Medina
Edward Medina
15:34 30 Jun 22
Just such an amazing staff that makes you feel like part of their family. I’ve been going there for over 5 years now... and each visit I get the very best care and treatments that I have ever received in the 20+ years that I’ve been dealing with severe debilitating migraines. Since i started seeing them the number of my migraines has dropped from 15-20 a month to 2-3 every 3 month. I highly recommend them …they will change your life!read more
Daneisha Johnson
Daneisha Johnson
22:20 19 May 22
Dr. Askari was very kind and explained everything so I could understand. The other staff were nice as well. I would... have gave 5 stars but I was a little taken aback when I checked in and had to pay 600.00 upfront. I think that should have been discussed in a appointment confirmation call or email just so I could have been more
Jean Cooper
Jean Cooper
16:54 29 Apr 22
I love the office staff they are friendly and very helpful. Dr. JODIE is very caring and understanding to your needs... and wants to help you. I will go back. would recommend Dr. Dr. Jodie to other Patients in a heart beat. The team works well more
Linda M
Linda M
19:40 02 Apr 22
I was obviously stressed, needing to see a neurologist. The staff was so patient and Dr. Ansari was so kind. At one... point he told me to relax, we have time, when I was relaying my history of my condition. That helped ease my stress. I have seen 3 other neurologists and he was the only one who performed any assessment tests on my cognitive and physical skills. At one point I couldn't complete two assessments and got upset and cried. I was told, it's OK. That's why you're here. I was truly impressed, and super pleased with the whole experience!read more
Leslie Durham
Leslie Durham
15:05 01 Apr 22
I've been coming here for about 5 years. The staff are ALWAYS friendly and knowledgeable. The Doctors are the absolute... best!! Jodie Moore is always in such a great mood which is a plus when you are already stressed. Highly recommendedread more
Monica Del Bosque
Monica Del Bosque
14:13 25 Mar 22
Since my first post my thoughts have changed here. It's unfortunate. My doctor and PA were great, but the office staff... is horrible. They never call you back when they say they will, they misinform you, they cause you too much stress wondering what's going on, they don't keep you posted. They never answer the phone. At this point I've left four messages in the last week, and I have sent three messages. Twice from their portal and one direct email. No response. My appointment is on Monday morning at 8:30am, no confirmation on my insurance and what's going on. What the heck is going on, this is ridiculous!I've given up... the stress her office staff has put me through is just not worth it. You can do so much better, please clean house, either change out your office staff, or find a way for them to be more efficient please. You have to do something. This is not how you want to run your practice. It leaves a very bad impression on your more
Ron Buckholz
Ron Buckholz
23:32 23 Mar 22
I was actually pleasantly surprised with this visit! It took me a long time to get the appointment scheduled because no... one answers your phones EVER! After a month, I finally got in, and your staff was warm, friendly, and I was totally impressed! I feel like you will take care of my needs!read more
Steve Nabavi
Steve Nabavi
16:28 16 Mar 22
It was a nice visit. Happy staff doing all they can do to comfort the patients in a very calming environment. You ask... me they are earned a big gold star on the fridge. My only complaint they didn't give me any more
Katie Lewis
Katie Lewis
16:10 10 Feb 22
Had very positive appointments with Jodie and Dr. Sheth for my migraine care. Jodie was so fast with the injections and... has so much valuable info. I started to feel light headed during checkout and the staff was SO helpful—giving me a chair, water, and taking me into a private room until I felt better. Highly recommend this practice for migraine patients, they know what they’re doing!!read more
Joshua Martinez
Joshua Martinez
16:02 10 Dec 21
I was scheduled to be checked and just want to say that the staff was fantastic. They were kind and helpful. I was... asked many questions related to what was going on and not once did I feel as though I was being brushed off. The front desk staff was especially great in assisting me. I'm scheduled to go back for a mri and am glad that I'll be going more
Isabel Ivy
Isabel Ivy
21:42 03 Nov 21
I had such a good experience with Lone Star Neurology, Brent my MRI Tech was so awesome and made sure I was very... comfortable during the appointment. He gave me ear plugs, a pillow, leg support and blanket, easiest MRI ever lol 🤣 My 72 hour EEG nurse Amanda was also so awesome. She made sure I was take care of over the 3 days and took her time with the electrodes to make sure it was comfortable for me! Paige was also a huge help in answering all my questions when it came to my test results, and letting me know her honest opinions about how I should go forth with my more
Leslie Luce
Leslie Luce
17:37 20 Oct 21
The professionalism and want to help attitude of this office was present from the moment I contacted them. The follow... up and follow through as well as their willingness to find a way to schedule my dad was above and beyond. We visited two offices in the same day with the same experience. I am appreciative of this—we spend a lot of time with doctors and this was top notch start to more
robert Parker
robert Parker
16:38 16 Apr 21
I love going to this office. The staff is friendly and helpful. The doctor is great. I am getting the best... neurological tests and treatment I have ever had. The only reason I did not give them a 5 star rating is because it is impossible to reach a live person at the office to reschedule appointments. Every time I have tried to get through to the office it says all people are busy and I am sent to a voicemail. If they could get their phone answering fixed, I would give them a strong 5 more
MaryAnn Hornbaker
MaryAnn Hornbaker
00:26 25 Feb 21
Dr. Harney is an excellent Dr. I found him friendly , personable and thorough. I evidently am an unusual case. ... Therefore he spent a Hugh amount of time educating me. He even gave me literature to further explain my condition and how to follow up. This is something you rarely get from your doctors. So I am more than please with my doctor and his more
Roger Arguello
Roger Arguello
03:05 29 Jan 21
Always courteous, professional. The staff is very friendly and always work with you to find the best appointment time.... The care team has been great. Always taking the time to listen to your concerns and to find the best more
Margaret Rowland
Margaret Rowland
01:12 27 Jan 21
I have been a patient at Lone Star Neurology for several years. Now both my adult daughters also are patients there. I... love Jodie. She is always so prompt whether it is a teleamed call are a visit in the office. She takes the time to explain everything to me and answers all my questions. I am so blessed to have Jodie as my more
Susan Miller
Susan Miller
03:01 13 Jan 21
My husband had an accident 5 years ago and Lone Star Neurology has been such a blessing to us with my husbands care.... Jodie Moore is his provider and she is amazing! Jodie is very knowledgeable, caring, and thorough. She takes her time with you, making sure your needs are met and she is happy to answer any questions you may have. Lone Star Neurology’s patients are very lucky to have Jodie providing their care. Thank you Lone Star Neurology and especially Jodie for everything you have done for us. Jodie, you are the best!read more
Windalyn C
Windalyn C
01:32 09 Jan 21
Jodie is wonderful. She is very caring and knowledgeable. I have been to over a dozen neurologists, and none were able... to help me as much as they have here. Thanks!read more
Katie Kordel
Katie Kordel
00:40 09 Jan 21
Jodi Moore, nurse practitioner, is amazing. I have suffered from frequent, debilitating headaches for almost 20 years.... She has provided the best proactive and responsive care I have ever received. My quality of life has been greatly improved by her caring approach and tenacity in finding more
Ellie Natsis
Ellie Natsis
15:41 07 Jan 21
I have had the best experience at this neurologist's office! For over a year I have been receiving iv treatments here... each month and my nurse, Bobbie is beyond wonderful!! She's so attentive, knowledgeable, caring, and detail oriented. She makes an otherwise uncomfortable experience much more pleasant and definitely puts me at ease! She also helps me with my insurance,ordering this specialty medication and dealing with the ordering process which is no easy feat.Needless to say, she goes above a beyond in every way and I'm so grateful to this office and to Bobbie for all they do for me!read more
Matt Morris
Matt Morris
15:39 07 Jan 21
Let me start by saying that I have been coming here for years. Due to my autoimmune disease, I am in this office... once every three weeks for multiple hours at a time. The office is very clean and the staff very friendly. My only complaint would be there communication via phone. They aren't the best at responding if you leave a voicemail and expect a call back. I understand that this is prob just due to the sheer number of alls they receive daily. What I can say I like the best about the office are the people. Bobby who handles my infusions is great. I never have any issues with her setting up my infusions. She is very quick to reply to messages sent via text and if she were to leave then my whole opinion of the office may change. I also enjoy people like Matt, Lauren, and Jodi. I appreciate all that they do for me and without this team I'm not sure I would be as happy as I am to visit the office as frequently as I have to. Please ensure that these folks are recognized as they are what makes my visit to this office so tolerable :).read more
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