Do you need a multivitamin gummy? Who benefits and who probably does not
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About a third of American adults take a multivitamin. Many do so as a kind of insurance. The honest summary of the research is that for a healthy adult who eats reasonably well, a multivitamin has not been shown to prevent the major diseases people hope it will. For people with particular gaps in their diet or particular needs, it can be useful.
So the question is not whether multivitamins are good or bad. It is whether you are in one of the groups with a gap.
The short answer
You probably do not need a multivitamin if you eat a varied diet and have no special requirements. One is reasonable if you eat a restricted diet, are over about 50, eat very little, or are in a life stage with higher needs. A multivitamin at around 100 percent of the Daily Value is low risk. It is not a substitute for food, and a gummy version will usually lack iron, calcium and magnesium.
What the evidence says
In 2022 the US Preventive Services Task Force reviewed the trials of vitamin and mineral supplements for preventing cardiovascular disease and cancer. It concluded that the evidence is insufficient to judge the balance of benefits and harms of multivitamins for those purposes in healthy adults who are not pregnant. In plain terms, the trials do not show a clear benefit, and do not show clear harm.
The same statement recommended against taking beta carotene or vitamin E supplements to prevent those diseases. Beta carotene supplements were linked to a higher risk of lung cancer in people at increased risk, such as smokers.
That review does not apply to people with a diagnosed deficiency, to pregnancy, or to people with conditions that affect absorption. For them the question is different, and the answer is often yes.
What a multivitamin can do
It can raise your intake of nutrients you are short of. National surveys show that many Americans eat less than recommended of several nutrients. The Dietary Guidelines list calcium, potassium, vitamin D and dietary fiber as under-consumed in the general population, with iron a concern for many women and younger adults.
Notice the overlap with what a gummy multivitamin contains. It usually provides vitamin D. It usually provides little or no calcium, no potassium and no fiber. So a multivitamin gummy addresses some common gaps and misses others.
Who is more likely to benefit
| Group | Nutrients of concern | Does a typical gummy cover them? |
|---|---|---|
| Vegans | B12, iodine, zinc, iron, calcium, vitamin D | B12, zinc and D usually. Iron and calcium no |
| Adults over 50 | B12, vitamin D, calcium | B12 and D yes. Calcium no |
| People eating very little, or on restrictive diets | Many | Vitamins yes, most minerals partly |
| People with little sun exposure | Vitamin D | Usually, check the amount |
| Women who could become pregnant | Folic acid, iron, iodine | Folate partly. Ask your provider about a prenatal |
| People after weight-loss surgery or with absorption problems | Many | Needs a plan from their medical team |
Who probably does not need one
A healthy adult who eats fruit, vegetables, whole grains, dairy or fortified alternatives, and some meat, fish, eggs or beans most days is likely to meet nearly all requirements from food. Fortified foods add more. Breakfast cereals, plant milks and breads are fortified with many of the same vitamins found in a multivitamin.
For this person a multivitamin mostly produces expensive urine, to use the old phrase. It will not make up for a poor diet either, because what is missing from a poor diet is largely fiber, potassium and the foods themselves.
Is there any harm?
At around 100 percent of the Daily Value, very little. Risks arise in three ways.
- Stacking. A multivitamin plus several single-nutrient or “targeted” gummies can push vitamin A, vitamin D, zinc or niacin toward their upper limits. See taking several different gummies in one day.
- Specific groups. Smokers should avoid supplements with high beta carotene. Pregnant women must limit preformed vitamin A. People on warfarin need to keep vitamin K steady.
- False reassurance. Taking a multivitamin can feel like a reason not to improve a diet.
With gummies there is also sugar, usually 2 g to 4 g a day for a multivitamin, and the fact that they are easy to overeat. See can you take too many gummy vitamins.
Gummy or tablet?
| Gummy multivitamin | Tablet multivitamin | |
|---|---|---|
| Vitamins | Usually a full set | Full set |
| Iron | Almost never | Often, in formulas for women under 50 |
| Calcium, magnesium | Little or none | Some, though rarely a full day’s amount |
| Sugar | 2 g to 4 g a day | None |
| Likelihood you will take it | High | Depends on you |
The gummy’s advantage is that people take it. A supplement left in the cupboard has no effect. Its disadvantage is the minerals it cannot hold. Our articles on whether gummy vitamins are as good as pills and what a women’s multivitamin gummy leaves out go into each side.
How to choose a multivitamin gummy
- Look for amounts near 100 percent of the Daily Value. Very high percentages are not better. See what percent Daily Value means.
- Check the nutrients you actually need. For most people that is vitamin D and B12, and for some folate, iodine and zinc.
- Note what is absent, and decide whether food covers it.
- Check the form of vitamin A. Preformed vitamin A, listed as retinyl palmitate or acetate, has an upper limit of 3,000 mcg a day.
- Count the gummies per day and the sugar.
- Look for independent testing. See what third-party tested means.
As an example of reading one, Goli Women’s Complete Multi Gummies list all 13 vitamins and five minerals, with B12 at 100 percent, vitamin D at 75 percent and folate at 50 percent of the Daily Value at two gummies a day, and no iron or calcium. Our Goli Women’s Complete Multi Gummies review covers it in full.
Men, women and age-specific formulas
Multivitamins are sold in versions for men, women and people over 50. The differences are usually modest. Formulas for women under 50 may add iron and more folate. Formulas for men and for older adults usually leave iron out, and those for older adults often raise vitamin D and B12. In gummy form the iron difference mostly disappears, because gummies rarely contain iron at all. Read the panel instead of relying on the name on the front, and pick the one whose amounts match your needs.
How long to take one
A multivitamin is not something you feel working. If you take one to cover a known dietary gap, it makes sense for as long as the gap exists. If you started one without a particular reason, review it after a few months. Nothing is lost by stopping, and if your diet has improved in the meantime, the gap may have closed.
A better first step
Before buying, look at a typical day of what you eat. If there is no dairy or fortified alternative, calcium is the gap. If there are no animal foods, B12 is. If there is little fruit or vegetables, the gap is fiber and potassium, which no multivitamin fills. A doctor can test for vitamin D, B12 and iron if there is reason to suspect a shortage.
If you decide a multivitamin is sensible, take one, take it consistently, and do not add to it without a reason. Related reviews are on the daily nutrition gummies page.
The short version
- Multivitamins have not been shown to prevent heart disease or cancer in healthy adults.
- They can fill gaps for vegans, older adults and people with restricted diets.
- Gummy versions usually lack iron, calcium and magnesium.
- Around 100 percent of the Daily Value is enough.
- The main risk is stacking with other supplements.
- No multivitamin supplies fiber or potassium.
Common questions
Is it worth taking a multivitamin gummy every day?
It is if your diet has gaps the gummy covers. For a healthy adult eating a varied diet, benefits have not been shown.
Do multivitamins prevent disease?
A 2022 US Preventive Services Task Force review found insufficient evidence that they prevent cardiovascular disease or cancer.
Are gummy multivitamins as good as tablets?
For vitamins, generally yes. They usually contain no iron and little calcium or magnesium.
Can a multivitamin make up for a poor diet?
No. It does not supply fiber, potassium, protein or the foods themselves.
Should I take a multivitamin in the morning or at night?
With a meal, at whichever time you will remember.
Is it harmful to take a multivitamin I do not need?
At about 100 percent of the Daily Value, harm is unlikely. Problems come from combining several supplements.
Sources
- US Preventive Services Task Force. Vitamin, mineral, and multivitamin supplementation to prevent cardiovascular disease and cancer: recommendation statement. JAMA. 2022.
- NIH Office of Dietary Supplements. Multivitamin/mineral supplements: fact sheet for health professionals.
- US Department of Agriculture and US Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025.
These statements have not been evaluated by the Food and Drug Administration. Products discussed here are not intended to diagnose, treat, cure or prevent any disease. This page is not medical advice. It is written for adults 18 and over.