The short answer is: not necessarily.
Multivitamins are among the most commonly used dietary supplements by adults over the age of 60. However, the latest scientific evidence suggests that they are not necessary for everyone. For older adults who eat a balanced diet and do not have vitamin or mineral deficiencies, the benefits of taking a daily multivitamin appear to be modest.
On the other hand, some older adults may benefit from supplementation, especially those with nutritional deficiencies, chronic diseases, poor dietary intake, or medications that interfere with nutrient absorption.
In this article, we’ll review what current research says about multivitamins and healthy aging.
This content is for informational purposes only and does not replace personalized advice from a qualified healthcare professional.
What Is a Multivitamin?
A multivitamin (also called a multivitamin-multimineral supplement) is a dietary supplement that combines several vitamins and minerals into a single tablet, capsule, or gummy.
Most multivitamins contain nutrients such as:
- Vitamin A
- B-complex vitamins
- Vitamin C
- Vitamin D
- Vitamin E
- Zinc
- Selenium
- Magnesium
- Copper
- Chromium
Their purpose is to complement the diet—not replace healthy eating habits.
Should Every Older Adult Take a Multivitamin?
No.
Recent scientific studies show that routine multivitamin use in healthy older adults has not been proven to improve the most important health outcomes, such as increasing lifespan or preventing major diseases.
A large review published in 2025, which analyzed evidence from millions of participants worldwide, found that multivitamins:
- did not reduce overall mortality;
- did not consistently prevent cardiovascular disease;
- did not consistently reduce the risk of most cancers;
- showed benefits that varied depending on age, health status, and nutritional needs.
These findings support a more personalized approach to supplementation instead of recommending multivitamins for everyone.
Can Multivitamins Improve Memory?
Possibly.
One of the most promising areas of research involves cognitive health.
A large randomized clinical trial involving more than 3,500 older adults found that participants who took a daily multivitamin for three years performed slightly better on tests of episodic memory than those who received a placebo.
Researchers estimated that this improvement was roughly equivalent to offsetting about three years of normal age-related memory decline.
However, it is important to keep these findings in perspective:
- the improvement was modest;
- not all aspects of cognition improved;
- multivitamins have not been shown to prevent dementia or Alzheimer’s disease.
While these results are encouraging, they are not strong enough to recommend multivitamins solely for preserving memory in all older adults.
Do Multivitamins Prevent Heart Disease, Stroke, or Cancer?
Current evidence does not support that conclusion.
The U.S. Preventive Services Task Force (USPSTF), an independent panel of experts in preventive medicine, concluded that there is insufficient evidence to recommend multivitamins for preventing cardiovascular disease or cancer in healthy adults.
When Might Older Adults Benefit from Supplementation?
Instead of recommending a multivitamin for everyone, healthcare professionals increasingly focus on identifying specific nutrient deficiencies.
Supplementation may be appropriate for older adults who have:
- a limited or unbalanced diet;
- low daily calorie intake (less than about 1,500 calories per day);
- malnutrition or frailty;
- chronic medical conditions affecting nutrient absorption;
- unintentional weight loss;
- residence in long-term care facilities;
- medications that interfere with vitamin absorption.
In these situations, targeted supplementation is often more effective than taking a general multivitamin.
Which Vitamins Are Most Important for Older Adults?
Vitamin D
Vitamin D deficiency is extremely common among older adults.
The risk is especially high in people who:
- spend little time outdoors;
- live in nursing homes or assisted living facilities;
- have osteoporosis;
- have an increased risk of falls or fractures.
For these individuals, healthcare providers often recommend vitamin D supplementation.
Vitamin B12
Vitamin B12 deficiency also becomes more common with aging.
As people grow older, stomach acid production naturally decreases, making it harder to absorb vitamin B12 from food.
The risk is even greater in people taking medications such as:
- metformin;
- omeprazole;
- pantoprazole;
- esomeprazole;
- other proton pump inhibitors.
When a deficiency is confirmed, vitamin B12 supplementation is generally highly effective.
Iron
Iron deficiency may occur in older adults with chronic illnesses, poor nutrition, or blood loss.
However, iron supplements should only be taken after medical evaluation because excess iron can also be harmful.
Magnesium
Magnesium deficiency is more common among institutionalized older adults and individuals with certain chronic diseases.
Supplementation should be based on clinical evaluation and laboratory testing whenever possible.
Folate and Thiamine
Additional folate or thiamine supplementation may be appropriate in selected situations, including:
- alcohol use disorder;
- malnutrition;
- certain cardiovascular conditions;
- specific medical disorders.
A Healthy Diet Is Still the Best Source of Vitamins
Even when supplements are appropriate, they should never replace a healthy diet.
A balanced eating pattern that includes:
- fruits;
- vegetables;
- legumes;
- whole grains;
- dairy products;
- lean meats;
- fish;
- nuts and seeds
provides vitamins, minerals, fiber, antioxidants, and many beneficial compounds that supplements cannot fully replicate.
Bottom Line
Most older adults do not need to take a multivitamin every day.
Current scientific evidence shows that routine multivitamin use does not consistently increase life expectancy or prevent cardiovascular disease or cancer. However, some studies suggest a modest improvement in memory among older adults taking a daily multivitamin.
Rather than recommending multivitamins for everyone, experts now favor individualized nutritional care. Identifying and treating specific deficiencies—such as vitamin D or vitamin B12 deficiency—is generally a more effective approach than routine supplementation.
If you are considering taking a multivitamin, discuss it with your healthcare provider or a registered dietitian. A personalized evaluation can help determine whether supplementation is necessary and which nutrients, if any, are most appropriate.
Frequently Asked Questions
Should every older adult take a multivitamin?
No. Most healthy older adults with a balanced diet do not need a daily multivitamin.
Can multivitamins improve memory?
Some studies suggest that daily multivitamins may provide a modest improvement in memory, but they have not been shown to prevent dementia or Alzheimer’s disease.
Do multivitamins prevent cancer?
Current evidence does not show that multivitamins prevent cancer.
Can multivitamins prevent heart disease or stroke?
There is currently no strong evidence that routine multivitamin use prevents cardiovascular disease or stroke.
Which vitamin deficiencies are most common in older adults?
Vitamin D and vitamin B12 deficiencies are among the most common. Iron, magnesium, folate, and thiamine deficiencies may also occur in certain individuals depending on their health status and diet.
