While no supplement definitively cures "chemo brain," promising options with some research backing include Omega-3s (fish oil) for inflammation, probiotics for gut-brain axis support, curcumin (turmeric) for antioxidant effects, and potentially fiber to reduce brain inflammation via the microbiome, though consult your doctor first, as some antioxidants might interfere with chemo. B vitamins, Vitamin D, and Acetyl-L-Carnitine also show potential for neurological health, but always check with your oncologist before starting anything new.
Medicines people with chemo brain symptoms sometimes use include:
Symptoms of chemobrain can fade after chemotherapy ends, but each patient is different. Some may take a year or more after treatment to feel normal again; others may never regain full mental ability.
The vitamins that support overall brain wellness include B vitamins, particularly B6, B12, and folate, as well as vitamin D and vitamin E. These nutrients contribute to cognitive function, memory, and overall brain health.
Get plenty of sleep at night, and rest during the day. Avoid activities that are physically demanding (e.g., heavy houscleaning, weightlifting/working-out) or require a lot of concentration (e.g., balancing your checkbook). They can make your symptoms worse and slow your recovery.
Vitamin D supplements are linked to a significant reduction in dementia risk, with a major study showing users had a 40% lower incidence of developing dementia compared to non-users, particularly benefiting older adults, with even greater effects seen in women and those without existing cognitive issues. This reduction highlights Vitamin D's role in brain health, possibly by clearing amyloid plaques associated with Alzheimer's.
Symptoms of chemo brain linked to thinking may include:
Diet plays a crucial role in brain tumor management. A well-balanced plan strengthens your immune system, speeds healing, and minimizes side effects from treatments like chemotherapy and radiation. Proper nutrition provides the building blocks your body needs to repair tissues and maintain vital functions.
Patients are experiencing cancer-related cognitive dysfunction, commonly referred to as chemo brain. It's a condition that affects up to 75 percent of cancer patients, but one that physicians have only recently begun to recognize as an actual consequence of cancer and its treatment.
B vitamins like B6, B12 and B9 (folic acid) are crucial for brain health and may help prevent cognitive decline and improve memory in older people.
Many survivors of cancer report that brain fog improves over time, especially with the right strategies and support. These 6 tips—establish a routine, use memory aids, engage in mental exercise, practice relaxation, prioritize sleep hygiene and stay physically active—can help you manage your chemo brain.
Eat Healthy
A balanced diet gives your immune system the nutrients it needs, such as: Protein: Essential to build and repair body tissues, including immune cells. Vitamins and minerals: Vitamins A, C, and E, along with minerals like zinc and selenium, help protect and strengthen your immune system.
Doctors and scientists say that the body already has specific systems in place (gut, liver, kidneys, and skin, to name a few) to clear toxins and waste. Eating healthy foods (such as vegetables) and drinking a lot of water helps the body break down and remove them.
Fortunately, for most cancer survivors chemo brain tends to be mild and to dissipate over time. Does exercise help? Exercise may mitigate the executive function and working memory problems associated with chemo brain.
Regular exercise increases your sense of well-being after cancer treatment and can make your recovery faster. Cancer survivors who exercise may experience: Increased strength and endurance. Fewer symptoms of depression.
Top Brain-Boosting Foods
These are symptoms of cognitive impairment, also known as “chemo brain” or “brain fog.” Memory, thinking, and focus changes typically go away over time. For most people, these thinking changes are not signs of a more serious condition like Alzheimer's disease.
How is chemotherapy brain fog treated?
The side effects from chemotherapy tend to be the worst the day after it's administered. “If you're on a strong chemo regimen, usually the day after is when you'll experience the worst symptoms,” says Iheme. “By worst, I mean you'll experience the most fatigue, weakness and nausea.
Staying hydrated after chemotherapy is important for the prevention of side effects. Drinking enough water and fluids will help to flush out some of the toxins that are released during chemotherapy or radiation therapy as well as help prevent future health problems.
By the age of 75-80, 40% of people have a diminished ability to absorb food-bound B12, says Mason. This deficiency leads to a decline in nerve health, particularly in the spine and brain, which can contribute to the risk of developing dementia in older adults.
You Miss Out on Sleep
You do a few things you know you shouldn't -- we all do. But some of those bad habits can take a toll on your brain. For example, lack of sleep may be a cause of dementia, including Alzheimer's disease. It's best to have regular sleeping hours.
Donanemab, like lecanemab, is a type of drug called a monoclonal antibody. Antibodies form part of our immune system and bind to harmful proteins to destroy them. Donanemab contains antibodies that bind to a protein called amyloid, which builds up in the brain in the early stages of Alzheimer's disease.