As the world’s most popular dietary supplement, you can easily find an extensive range of multivitamin supplements to fit any age, gender and lifestyle on the shelves of grocery stores, pharmacies and health shops alike. Multivitamins have become household staples in many parts of the world, and surveys have even found that more than one-third of all Americans take multivitamins daily in the hopes of improving their health, warding off disease, and enriching their diets with any vitamins and minerals that they might be missing.

So do multivitamins work, and should you consider adding them into your daily routine? Let’s dive right in and take a look at what you need to know, along with the best vitamins for men and best vitamins for women to take.

What Are Multivitamins?

Multivitamins are a type of supplement that contain a combination of vitamins, minerals and other nutrients used to support better health. In the United States, the official multivitamin definition is any supplement with at least three vitamins and minerals that has minimal risk of adverse side effects and is without the addition of herbs, hormones or drugs.

Most people use multivitamins to help fill in nutritional gaps and prevent deficiencies in key vitamins and minerals. They have also been associated with a number of health benefits and may aid in promoting better eye health, improving memory and maintaining bone strength throughout the lifespan.

Multivitamins are available in pill, capsule, powder, liquid or even injectable form, and different formulations are available to fit the nutritional needs of just about anyone, regardless of age, gender or health status.

In the United States, multivitamins have been available since the early 1940s and have steadily grown in popularity since. In fact, it’s estimated that more than one-third of all Americans take multivitamins, and according to the National Institute of Health’s Office of Dietary Supplements:

MVMs (multi-vitamin/mineral) and MVs (multivitamin) accounted for 14% of all purchases of supplements and 38% of all sales of vitamin and mineral supplements in the United States in 2019. U.S. sales of all dietary supplements totaled an estimated $55.7 billion in 2020, including $21.2 billion for all supplements containing vitamins, minerals, or both, of which $8.0 billion was for MVMs and MVs.

Most health experts recommend prioritizing a nutritious, well-rounded diet to help meet nutritional needs over supplementation. However, multivitamins are often prescribed to those with limited intake, people with restrictive diets and those with certain conditions that may impair nutrient absorption. Multivitamins can also benefit older adults, pregnant women and those at risk for health issues like macular degeneration.

Types

Your nutritional needs can vary based on many different factors. For this reason, the best multivitamin for men over 50 may be totally different from the best multivitamin for women.

Fortunately, there are many types of multivitamins available to fit any age and lifestyle. In fact, you can easily find a multivitamin for bodybuilding and gaining muscle, multivitamins designed specifically for people with kidney disease, and even vitamin supplements made to enhance the health of your hair, skin and nails.

They can be found in pill, powder, capsule or liquid form, making it easy to find something that works for just about everyone. Plus, different supplements contain different mixes of vitamins and minerals, so you can use your multivitamin to tailor to your specific health goals and round out your diet.

Multivitamin vs. B Complex Vitamin

Multivitamins typically contain most of the vitamins and minerals that your body needs, including vitamins A, C, D, E and K, as well as B vitamins like thiamine, niacin and vitamin B12. For this reason, they are most often used to help fill in the gaps in a balanced diet and may be especially useful for those who have restrictive diets, limited intake or just need some help squeezing in enough micronutrients each day.

B complex vitamins, on the other hand, contain only B vitamins, including a mix of thiamine, riboflavin, biotin, pantothenic acid, folic acid, vitamin B12 and vitamin B6. These supplements may be more useful for those who have well-rounded diets and meet most of their nutritional needs through food alone but are looking to support healthy energy levels, improve cognitive performance and promote mental health.

It’s usually not recommended to take both a B complex and multivitamin, as excess amounts of B vitamins are simply excreted through the urine. Instead, pick one or the other based on your personal nutritional needs and health goals.

Health Benefits

1. Corrects Nutritional Deficiencies

Micronutrient deficiencies can be at the root of serious issues like pellagra, anemia, bone loss, fatigue and constipation. Luckily, multivitamins can be used to help fill in any nutritional gaps in your diet and prevent vitamin and mineral deficiencies to optimize your health.

If you’re on any type of restrictive diet, in particular, you may be missing out on important nutrients that your body needs. People following a vegan or vegetarian diet, for example, are often lacking key micronutrients like iron, vitamin B12, zinc and calcium in their diets. Taking a multivitamin is the best way to ensure that you’re getting these essential vitamins and minerals in your daily diet.

2. Supports Healthy Pregnancy

Getting enough vitamins and minerals in your diet is absolutely essential to ensuring a healthy pregnancy, and each nutrient plays a specific role in fetal growth and development. Folate supports neural tube development, calcium supports bone growth, iodine prevents thyroid problems and iron keeps your blood healthy.

Doctors generally recommend that women who are pregnant or planning to become pregnant should take prenatal vitamins, which can help round out a well-balanced diet by supplying these key vitamins and minerals to ensure a healthy pregnancy. In fact, some studies show that multivitamin use is associated with a lower risk of certain birth defects, which can have long-lasting and even permanent effects on health.

3. Promotes Proper Growth and Development

Multivitamins can help provide many of the micronutrients that are necessary for promoting proper growth and development in children. This is especially important for children who may not be meeting their nutritional needs through diet alone.

For instance, one review published in the Archives of Disease in Childhood found that nearly 50 percent of children surveyed had vitamin A intakes below the recommended amount. Deficiencies in vitamins D and K have also been recorded in children, both of which can have serious consequences on long-term health and are easily preventable through the use of a multivitamin.

4. Helps Maintain Bone Strength

As you get older, it’s normal to gradually lose bone mineral density, increasing the risk of bone fractures and serious conditions like osteoporosis. Certain people are at an even higher risk of developing osteoporosis, including women, older adults and those with nutritional deficiencies.

Multivitamins can supply some of the important vitamins and minerals that your body needs to build and maintain strong, healthy bones, even as you get older. Studies show that calcium and vitamin D, in particular, can be combined to help reduce the risk of bone fractures.

However, the best multivitamin for women over 50 should include a mix of calcium, vitamin D, magnesium and phosphorus, all of which can promote bone health and reduce the risk of osteoporosis.

5. Improves Brain Function

The benefits of multivitamins extend far beyond physical health. In fact, some research shows that taking a daily multivitamin can also preserve brain function and boost mental health as well.

Interestingly enough, one study published by the Centre for Human Psychopharmacology at Swinburne University in Australia even found that daily supplementation with a multivitamin was able to improve memory in older men at risk for cognitive decline.

What’s more, multivitamins may also improve mood and reduce symptoms of depression. One study published in Psychopharmacology showed that multivitamin supplementation was linked to significant reductions in both anxiety and stress. Similarly, another study found that taking a multivitamin was effective at increasing alertness, improving mood and enhancing feelings of overall well-being.

6. Enhances Eye Health

Research suggests that taking a multivitamin can help improve eye health and aid in the treatment of conditions like macular degeneration, which is an eye disease that causes vision loss and is considered the leading cause of blindness around the world. Fortunately, studies show that taking multivitamins can help slow the progression of age-related macular degeneration.

Other studies have found that multivitamins may even reduce the risk of cataracts, another common condition that contributes to vision loss in older adults.

7. May Benefit Heart Health

It’s no secret that what you put on your plate has a major impact on the health of your heart. Certain nutrients can reduce cholesterol level, lower blood pressure and relieve inflammation to keep your heart functioning and in top condition. That may be why some studies have found that multivitamin use may be associated with a lower risk of heart attacks and death from heart disease.

However, evidence has been mixed on the effects of multivitamins on heart health, with several studies showing that supplementation may not have much of an impact on the prevention of heart disease. Therefore, more studies are needed to understand how multivitamins may impact heart health in the general population.

Best Multivitamins for Men

Men have different nutritional needs than women, so finding the best multivitamin for men can definitely be a challenge. The best men’s multivitamin should include enough of several important micronutrients that are directly involved in overall health and wellness to meet your daily needs and prevent deficiency.

Here are a few of the best vitamins for men, plus a few minerals that should definitely be included in your multivitamin:

• Vitamin A: helps maintain eye health, increases skin cell turnover and regulates immune function

• Vitamin B12: aids in red blood cell formation, DNA synthesis and brain function

• Vitamin C: acts as an antioxidant to fight free radicals, produces collagen, and protects against infection and disease

• Vitamin E: improves heart health, prevents oxidative damage to cells and relieves inflammation

• Vitamin D3: increases calcium absorption, builds strong bones and boosts immunity

• Magnesium: acts as a cofactor for over 300 enzymatic reactions and plays a role in energy metabolism, muscle contractions and brain health

• Selenium: protects cells, reduces the risk of thyroid problems and increases male fertility

Best Multivitamins for Women

Because women need different amounts of vitamins and minerals at different points throughout their life spans, the best women’s multivitamin should include a wide array of vitamins and minerals tailored to fit their recommended daily requirements.

Here are some of the best vitamins for women as well as a few important minerals that you may want to look for in your daily supplement:

• Vitamin A: keeps your skin glowing, wards off illness and infection, and maintains healthy vision

• Vitamin B12: boosts energy levels, promotes DNA production and optimizes brain health

• Vitamin C: aids in collagen synthesis to support healthy hair and skin, prevents cell damage, and enhances immunity

• Vitamin D3: supports bone health, increases calcium absorption and boosts immunity

• Calcium: promotes bone formation and strength to prevent osteoporosis and bone loss during menopause

• Folate: involved in DNA replication and necessary to prevent birth defects during pregnancy

• Iron: produces healthy red blood cells to help deliver oxygen to the body