Multivitamins are a supplement that packs in essential vitamins and minerals your body needs
Because many Americans often don’t maintain a healthy diet, they might not be getting the key nutrients they need through food
Do multivitamins work? Taking a multivitamin supplement improves overall nutrient intake, and helps to close nutrient gaps, especially for people who can’t or don’t get the recommended amounts of vitamins and minerals from food alone
Multivitamins offer a range of benefits to your health and wellbeing
In an ideal world, we would all eat a variety of healthy foods every day, including fruits, vegetables, whole grains, low-fat dairy, and lean protein. Doing so would provide us with most of the nutrients we need, from Vitamin A to Zinc. But life happens and sometimes our best of intentions fall by the wayside as we reach for packaged, convenience foods that might not be the best choice. Perhaps that’s why so many people turn to multivitamins to fill in the nutritional gaps. But what exactly are multivitamins? And, more importantly, do multivitamins work?
What Are Multivitamins?
Let’s start with the reality that many Americans have poor eating habits and are not eating healthy; they don't consume the recommended nine servings of fruit and vegetables every day. As a result, many people who follow a Western diet don’t meet the recommended daily allowances established by the U.S. Institute of Medicine for many vitamins and essential minerals.1
While multivitamins should never replace a balanced, healthy diet, they can provide vitamins and minerals essential to your health and help fill nutrient gaps. So, what are multivitamins? Sometimes called multis or vitamins, multivitamins are a supplement that typically pack essential vitamins and minerals, often in the form of a tablet, capsule, liquid, gummy, or gel cap. Commonly, multivitamins are taken once a day and include all or most vitamins and minerals, with the majority in amounts that are close to recommended daily amounts.2
Because multivitamins are not medications, you don’t need a doctor’s prescription to buy these dietary supplements. You can purchase them at most pharmacies, grocery stores, mass merchandise and club stores, as well as online retailers.
The body requires 13 vitamins and at least 16 minerals essential to your health.3 Depending on the brand, multivitamins will contain a variety of these vitamins, minerals, and perhaps other ingredients, such as fatty acids and herbs. And the specific amount of each essential nutrient needed each day varies by age, gender, and if you are pregnant or lactating.4
All of these nutrients play different but important roles in the body. Think of multivitamins as the Swiss Army Knife of supplements, as they deliver multiple benefits in promoting good health.
Your body needs these important nutrients for a variety of functions ranging from reproduction to maintenance to growth. Different vitamins and minerals help convert food into energy, build strong bones, protect vision, heal wounds, build protein, provide antioxidant benefits, regulate bodily processes, support your immune system, and provide many other health benefits.5, †
If you’re trying to live a healthy lifestyle, you strive to make the right choices every day. You manage your stress, eat healthy, exercise, and get a good night’s sleep. But life often throws a curveball, which might impact your health and the choices you make each day.
You know yourself better than anyone. If you follow the US Dietary Guidelines for Americans recommendations for healthy eating, you focus on eating a variety of nutrient dense foods, and choose foods and beverages with less saturated fat, sodium, and added sugars.6 Ask yourself a few questions to determine how healthy you’re truly eating:
Do you regularly “eat the rainbow” by choosing a variety of fruits (bananas, blueberries, cantaloupe, kiwi, oranges, ) and vegetables (broccoli, carrots, red bell peppers, spinach, tomatoes)?
Do you avoid processed foods, such as bacon, potato chips, and cookies?
Do you eat a variety of whole grains, such as oats, wheat, bulgur, quinoa, and barley?
Do you choose fat-free or low-fat dairy options?
Do you choose healthy proteins such as lean meat, poultry, seafood, beans and peas, eggs, nuts, and seeds?
Do you include healthy fats such as fatty fish, avocados, olive oil, walnuts and almonds?
If you answered yes, then you might be getting most of the nutrients you need from food and beverages every day. But if you answered no to even one or two questions, you might not be getting enough key nutrients your body needs every day. Either way, to help close essential nutrient gaps and provide your body with a “nutrient insurance policy,” it is probably a good idea to take a daily multivitamin.
Also, keep in mind that certain people—including pregnant and breastfeeding women, people age 50 and older, vegetarians and vegans, smokers, and people with some health conditions—may need more or less of certain vitamins and minerals. Also, certain health conditions or medications might make it even more difficult to get the necessary nutrients from food alone. If you are concerned about any of the above, it’s a good idea to speak to your doctor or pharmacist.
Taking a multivitamin is just another healthy choice in your “healthy lifestyle toolbox.” It increases your nutrient intake and gives you the confidence in knowing that you’re covering your basic nutritional needs even on days when you might skip a meal or make less-than-healthy food choices.
How Do Multivitamins Work?
Once you take a multivitamin by mouth, the vitamin supplement dissolves and works its way through your body in different ways. It is important to take your multivitamin along with some food and water to help dissolve the supplement (if it’s a tablet or gel cap) — it’s best to take it with a meal that contains some fat, to help absorb fat soluble vitamins A, D, E, and K that might be in the multivitamin. The water-soluble vitamins (like the B vitamins and vitamin C) are absorbed directly into the bloodstream as food is broken down during digestion and when a dietary supplement dissolves. The fat-soluble vitamins get into the blood through the intestinal wall’s lymph channels. Minerals move through the body in a variety of ways, with some (like potassium) being quickly absorbed into the bloodstream while others (like calcium) require a carrier for absorption and transport.5
Multivitamins are great for anyone who wants to make sure their bodies are getting enough of the nutrients they need. Taking a multivitamin improves overall nutrient intake, and helps to close nutrient gaps as most Americans don’t get the recommended amounts of vitamins and minerals from food alone. Plus, multivitamins offer a range of benefits to your health and wellbeing. As always, you should check with your healthcare provider before taking any new vitamins, or supplements.
Lisa Beach is a seasoned journalist whose work has been published in The New York Times, Good Housekeeping, Eating Well, Parents, AARP’s Disrupt Aging, Optimum Wellness, and dozens more. She also writes for a variety of health/wellness-focused brands. Check out her writer’s website at www.LisaBeachWrites.com.
Melissa is a registered dietitian (RD) and works in our Medical and Scientific Communications department as a Science and Health Educator. She has worked for Pharmavite for over 20 years educating consumers, healthcare practitioners, retailers and employees about nutrition, dietary supplements and overall wellness. Prior to joining the Medical and Scientific Communications team, Melissa launched and managed Pharmavite’s Consumer Relations department. Melissa received her Bachelor of Science degree in Nutritional Science, from the University of Arizona in Tucson, Arizona, and completed her dietetic internship at Veterans Affairs Medical Center in East Orange New Jersey.
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