Multivitamins Vs. Individual Vitamin And Mineral Supplements: Which Is Better?

Apr 21, 2026 by Erica Sweeney

 

Multivitamins vs Individual Supplements

Multivitamins often contain dozens of vitamins and minerals, like B vitamins, calcium, iron, and magnesium. Individual supplements contain a single vitamin or mineral. Both have pros and cons: multivitamins tend to be cost effective, but taking several individual supplements each day can be cumbersome.

Meet the experts: Vanessa King, RDN, spokesperson for the Academy of Nutrition and Dietetics. Brintha Vasagar, MD, family physician in Milwaukee, Wisconsin.

Multivitamins

Pros

  • They can help you meet nutrient requirements. “If your diet isn’t well-balanced or your body has trouble absorbing specific nutrients, multivitamins can help you get the elements your body needs to thrive,” says Dr. Vasagar.
  • They offer extra nutrients. Some people—such as those with health conditions or who are pregnant or breastfeeding—may have increased nutrient needs, and taking a multivitamin can provide these nutrients in just one capsule.
  • They’re (relatively) inexpensive. You can take one pill and get several nutrients, which is more convenient and cost effective than multiple single supplements.

Cons

  • They’re often unnecessary. If you eat a balanced diet and don’t have a nutrient deficiency, you’re likely getting all the nutrients you need.
  • They’re missing some nutrients. Multivitamins don’t include everything—like omega-3 fatty acids, which are essential.
  • They may contain excessive amounts of certain nutrients. Fat-soluble vitamins like A, D, E, and K can accumulate and potentially cause toxicity.

Individual Supplements

Pros

  • They can treat specific deficiencies. Blood tests can identify deficiencies, and doctors can help you take the correct dosage.

Cons

  • They may provide too much of a nutrient if not needed, potentially leading to toxicity.
  • You might have to take many pills each day, which can be unpleasant and expensive.

Who Should Consider Supplements?

  • Pregnant people: Recommended to take prenatal vitamins for fetal growth and to minimize complications.
  • Babies and children: Vitamin D supplements for babies; iron or multivitamins for children with limited meat intake; B12 and iron for those avoiding animal products; calcium and vitamin D for those avoiding dairy; multivitamins for children lacking fruits and vegetables.
  • People over 60: Nutrient absorption declines with age. Supplements may help with calcium, vitamin B12, and other nutrients.
  • People with restrictive diets: Those avoiding certain food groups may need to supplement nutrients like calcium or B12.

Best Practices for Supplementation

  • Always read product labels. Some vitamins may contain megadoses far above daily needs.
  • Check that the supplement contains the right amounts for your needs.
  • Look for third-party certifications like NSF or USP to ensure quality.

Supplements can be helpful, but the best way to get nutrients is through a balanced diet rich in all necessary vitamins and minerals.

Author: Erica Sweeney, writer covering health, wellness, and careers. Work published in The New York Times, HuffPost, Teen Vogue, Parade, Money, Business Insider, and more.