Do You Really Need a Multivitamin? How to Decide If You Need One

Do You Really Need a Multivitamin? How to Decide If You Need One

Do you really need a multivitamin? Walking through a pharmacy or browsing an online supplement store can make it seem as though everyone needs one. There are multivitamins marketed for women, men, older adults, athletes, energy, immunity, stress, hair, skin, and many other goals.

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But a basic question often gets lost:

Do you actually need a multivitamin?

For many healthy adults who regularly eat a varied diet, a multivitamin is not automatically necessary. For others, a supplement may be useful because of a restricted diet, a diagnosed nutrient deficiency, pregnancy, certain medical conditions, medication use, or difficulty absorbing nutrients.

The answer therefore isn’t simply “yes” or “no.”

A better approach is to ask why you are considering one, what your diet looks like, whether you have a known nutritional need, and whether a multivitamin is the most appropriate solution.

The National Institutes of Health (NIH) notes that nutritional needs should generally be met primarily through food, although supplements can be useful in situations where specific nutrient needs cannot be met through diet alone.

This guide explains what multivitamins contain, who may benefit from them, when they may be unnecessary, potential risks and interactions, and how to choose a product if you and a healthcare professional decide that supplementation makes sense.

Quick Answer: Do You Need a Multivitamin?

Not necessarily.

A multivitamin may be useful when there is a nutritional gap that cannot easily be addressed through food alone.

Examples can include:

  • A diagnosed vitamin or mineral deficiency
  • Pregnancy or planning a pregnancy, when specific prenatal nutrients are recommended
  • Certain restrictive diets
  • Conditions that affect nutrient absorption
  • Some gastrointestinal surgeries
  • Certain life stages or circumstances with increased nutritional needs

On the other hand, taking a multivitamin simply because you assume you are “missing something” does not guarantee better health.

For healthy, nonpregnant adults without known nutritional deficiencies, the U.S. Preventive Services Task Force (USPSTF) concluded that evidence is insufficient to determine whether multivitamin supplementation prevents cardiovascular disease or cancer.

That does not mean multivitamins are useless.

It means their role depends on the individual and the reason for taking them.


What Is a Multivitamin?

A multivitamin, often called a multivitamin/mineral supplement (MVM), is a dietary supplement containing a combination of vitamins and minerals.

Products differ considerably.

Some contain only a relatively basic collection of vitamins and minerals, while others include much higher amounts or additional ingredients such as botanical extracts.

Multivitamins may come as:

  • Tablets
  • Capsules
  • Gummies
  • Powders
  • Chewable tablets
  • Liquids

The exact formula is not standardized. Manufacturers decide which nutrients to include and in what amounts. Some products are designed for particular age groups or life stages.

Multivitamin bottle with different vitamin and mineral supplements

Common Nutrients Found in Multivitamins

Depending on the product, a multivitamin may contain nutrients such as:

Vitamins

  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Vitamin E
  • Vitamin K
  • Thiamin (B1)
  • Riboflavin (B2)
  • Niacin (B3)
  • Pantothenic acid (B5)
  • Vitamin B6
  • Biotin (B7)
  • Folate (B9)
  • Vitamin B12

Minerals

  • Calcium
  • Iron
  • Magnesium
  • Zinc
  • Selenium
  • Copper
  • Manganese
  • Iodine

Not every product contains all of these nutrients, and the amounts can vary substantially.

This is why the label matters more than the word “multivitamin” on the front of the package.


What a Multivitamin Can—and Cannot—Do

A multivitamin can help supply nutrients when your diet or circumstances make it difficult to obtain enough of certain vitamins or minerals.

It cannot reproduce everything that comes from food.

Whole foods provide nutrients alongside other dietary components such as:

  • Fiber
  • Protein
  • Essential fats
  • Carbohydrates
  • Plant compounds
  • Naturally occurring food components

The NIH Office of Dietary Supplements specifically notes that multivitamins cannot replace a varied diet.

Think of a multivitamin as a nutritional supplement, not a replacement for meals.


Who Might Actually Benefit From a Multivitamin?

There is no single list of people who “need a multivitamin.” In many cases, the more appropriate solution is a specific nutrient supplement rather than a broad multivitamin.

Different adults considering whether a multivitamin fits their nutritional needs

However, certain situations deserve closer attention.

1. People With a Diagnosed Nutrient Deficiency

If testing or clinical evaluation identifies a deficiency, supplementation may be appropriate.

For example, a person may be found to have inadequate levels of a particular nutrient because of:

  • Dietary intake
  • Absorption problems
  • Certain medications
  • Increased nutritional requirements
  • Blood loss
  • An underlying medical condition

In such cases, a healthcare professional may recommend a specific nutrient and dose rather than a standard multivitamin.

This distinction is important.

If you have an iron deficiency, for example, the question is not simply:

“Which multivitamin should I buy?”

It may instead be:

“Why am I low in iron, and what form and amount of supplementation are appropriate?”

Taking a random multivitamin may not provide enough of the nutrient to address a confirmed deficiency.


2. People With Highly Restrictive Diets

Some dietary patterns can make particular nutrients harder to obtain.

For example, people following a vegan diet need to pay particular attention to vitamin B12 because naturally occurring vitamin B12 is found primarily in animal-derived foods.

People who avoid dairy products may need to pay attention to how they obtain nutrients such as calcium and vitamin D from other foods or fortified alternatives.

People with very limited food choices may also have difficulty meeting overall nutrient needs.

That does not automatically mean everyone following a restricted diet needs a multivitamin.

Instead, the diet should be assessed for the nutrients that may be missing.

A targeted supplement may sometimes make more sense than taking a product containing dozens of nutrients.


3. People With Conditions That Affect Nutrient Absorption

Some medical conditions and procedures can interfere with the absorption or use of nutrients.

Examples include certain gastrointestinal disorders and some types of gastrointestinal surgery.

In these situations, nutritional management can be more complicated.

A person may need:

  • Specific vitamins
  • Specific minerals
  • Higher or lower doses
  • Different formulations
  • Regular monitoring

For someone with a diagnosed absorption problem, a standard over-the-counter multivitamin should not automatically be assumed to solve the problem.

Follow the treatment plan provided by the relevant healthcare professional.


4. Pregnancy and People Planning Pregnancy

Pregnancy is one of the clearest situations in which specific supplementation can be important.

However, pregnancy does not simply mean that everyone should take an ordinary adult multivitamin.

Prenatal supplements are formulated around pregnancy-related nutritional needs.

One especially important nutrient is folic acid.

The USPSTF recommends that people who are planning pregnancy or who could become pregnant take a daily supplement containing 400–800 micrograms of folic acid to help prevent neural tube defects.

Other nutrients, including iron, iodine, vitamin D, and others, may also be relevant depending on the individual’s diet and circumstances.

Pregnancy supplementation should therefore be considered separately from the question of whether a healthy adult needs a general-purpose multivitamin.


5. Some Older Adults

Nutritional needs can change with age.

Some older adults may have difficulty obtaining enough of certain nutrients because of:

  • Lower food intake
  • Changes in appetite
  • Dietary restrictions
  • Medication use
  • Absorption changes
  • Difficulty preparing or accessing nutritious meals

Vitamin B12 deserves particular attention because some older adults have difficulty absorbing naturally occurring B12 from food.

However, it is too broad to say that every older adult needs a multivitamin.

NIH notes that products designed for older adults often differ from standard formulations—for example, they may contain more vitamin D and B12 and little or no iron.

The appropriate choice depends on the person’s diet and nutritional needs.


6. People Who Have Difficulty Meeting Nutritional Needs Through Food

There are circumstances in which eating a varied diet may be difficult.

Examples can include:

  • Very low appetite
  • Limited food access
  • Significant dietary restrictions
  • Certain medical treatments
  • Difficulty eating or preparing meals
  • Recovery from illness

In these situations, a supplement may sometimes provide useful nutritional support.

But the goal should still be to identify the underlying nutritional gap whenever possible.


When You Probably Don’t Need a Multivitamin

For many healthy adults, a multivitamin is not automatically required.

1. You Regularly Eat a Varied Diet

A varied eating pattern can provide a wide range of nutrients.

A useful diet includes different combinations of:

  • Vegetables
  • Fruits
  • Whole grains
  • Beans and lentils
  • Nuts and seeds
  • Dairy or suitable alternatives
  • Eggs
  • Fish or other protein foods
  • Meat or poultry when included in the diet

The exact foods do not need to be identical every day.

Variety over time is more useful than trying to make every meal nutritionally perfect.

The American Heart Association also emphasizes obtaining nutrients through a balanced diet and notes that foods provide nutritional components that supplements do not fully reproduce.


2. You Are Taking One “Just in Case”

Taking a multivitamin simply because you are worried that your diet might not be perfect is not necessarily the best approach.

Instead, ask:

  • What am I trying to improve?
  • Do I have a known deficiency?
  • Is there a specific nutrient I am concerned about?
  • Can I obtain it through food?
  • Am I already taking another supplement containing the same nutrient?
  • Could the supplement interact with a medication?

This turns supplement use from a guess into a more informed decision.


3. You Expect It to Prevent Major Diseases

Multivitamins are often marketed around broad ideas such as heart health, brain health, immunity, energy, and longevity.

The evidence is much more complicated.

For healthy, nonpregnant adults without known nutritional deficiencies, the USPSTF concluded that there is insufficient evidence to determine the overall balance of benefits and harms of multivitamin supplementation for preventing cardiovascular disease or cancer.

A large evidence review commissioned for the USPSTF found little or no benefit overall for preventing cardiovascular disease, cancer, or death, although some findings—such as a small association with lower cancer incidence in certain multivitamin trials—require careful interpretation because of study limitations and the possibility of chance findings.

Therefore, a multivitamin should not be presented as a proven disease-prevention strategy.


Can a Multivitamin Give You More Energy?

This is one of the most common reasons people buy multivitamins.

The answer depends on the reason for low energy.

If someone has a nutrient deficiency that contributes to fatigue, correcting that deficiency may improve symptoms.

But taking extra vitamins when you already meet your nutritional requirements does not automatically create more energy.

A multivitamin is not a substitute for addressing other common contributors to tiredness, such as:

  • Inadequate sleep
  • Poor overall diet
  • Insufficient calorie intake
  • Stress
  • Excessive workload
  • Certain medical conditions

Persistent or unexplained fatigue deserves appropriate evaluation rather than simply adding more supplements.


Are Multivitamins Safe?

Many multivitamins can be used safely when taken according to their labels, but “vitamins are natural” does not mean unlimited amounts are safe.

Multivitamin bottle and supplement label illustrating careful supplement use

Some nutrients can cause harm when consumed in excessive amounts.

This is particularly important when a person combines:

  • A multivitamin
  • Individual vitamin supplements
  • Fortified foods
  • Energy products
  • Other dietary supplements

You may unintentionally consume the same nutrient from several sources.

NIH notes that some high-potency multivitamins contain amounts substantially above the Daily Value and, in some cases, above established upper intake levels.


Important Nutrients to Watch

Vitamin A

High amounts of preformed vitamin A can cause toxicity.

This is one reason to avoid automatically combining several products containing vitamin A.

Beta-carotene is a different form of vitamin A-related compound, and its safety considerations differ from those of preformed vitamin A.


Iron

Iron is essential, but more is not automatically better.

Taking iron when it is not needed can expose you to unnecessary side effects and excessive intake.

A multivitamin containing iron may not be appropriate for everyone.

This is one reason products marketed toward different age groups and sexes can have different formulations.


Vitamin D

Vitamin D is important for normal body function, but taking very high amounts without a reason can be harmful.

If vitamin D status is a concern, a healthcare professional can help determine whether testing or supplementation is appropriate.


Zinc

Zinc is an essential mineral, but excessive long-term intake can cause problems, including interference with copper status.

Again, the goal is to meet nutritional needs—not simply maximize nutrient intake.


Multivitamins and Medication Interactions

This is one of the most important reasons to check with a pharmacist or healthcare professional when you take prescription medicines.

Multivitamin supplements beside medications to illustrate possible interactions

Warfarin and Vitamin K

People taking warfarin should be particularly careful with supplements containing vitamin K.

Vitamin K affects blood clotting and can alter the effect of warfarin. NIH recommends that people taking warfarin discuss multivitamins or other supplements containing vitamin K with their healthcare provider.

The goal is not necessarily to eliminate vitamin K.

Instead, healthcare professionals may need to account for the amount consumed consistently.


Calcium, Iron and Certain Medicines

Minerals such as calcium and iron can interfere with the absorption of some medicines.

For example, certain thyroid medicines and antibiotics can interact with mineral-containing supplements.

The correct spacing depends on the specific medication.

Therefore, rather than using one universal “take everything four hours apart” rule, check the medication instructions or ask a pharmacist.


Should You Choose a Multivitamin With 100% of Every Nutrient?

Not necessarily.

The original version of this article recommended choosing a product with no nutrient above 100% of the Daily Value.

That is too simplistic.

Some appropriate products contain more than 100% of the Daily Value for particular nutrients, while some high-potency products contain amounts that may be unnecessarily large.

NIH notes that multivitamin formulations vary widely and that some products contain substantially more than the Daily Value.

Instead of applying an arbitrary 100% rule, consider:

  • Your age
  • Your sex
  • Your life stage
  • Your diet
  • Specific nutritional needs
  • Existing supplements
  • Medications
  • The amounts of individual nutrients in the product

More is not automatically better.

Keep in mind that the % Daily Value on a supplement label is not exactly the same thing as your individual recommended intake. Daily Values are standardized label reference amounts, while nutrient recommendations can vary according to factors such as age, sex, and life stage.


How to Choose a Multivitamin If You Decide You Need One

If supplementation makes sense for you, choosing a product deserves some attention.

Person comparing multivitamin labels before choosing a supplement

1. Start With the Reason You Need It

Don’t start with the bottle.

Start with the nutritional problem.

For example:

“I need a prenatal supplement.”

is more useful than:

“I want the strongest multivitamin available.”

Likewise:

“I have been diagnosed with a B12 deficiency.”

may lead to a very different supplement strategy than simply buying a general multivitamin.


2. Choose a Product Appropriate for Your Life Stage

Look for products designed for the relevant population when appropriate.

Formulations may differ for:

  • Adults
  • Children
  • Older adults
  • Pregnancy
  • Different dietary patterns

NIH notes that specialized formulations can differ substantially in their nutrient amounts.

Life stage can also affect what someone looks for in a multivitamin, particularly when comparing products marketed for women and different nutritional needs.


3. Read the Supplement Facts Label

Look beyond the front of the package.

Check:

  • Nutrient names
  • Amount per serving
  • Serving size
  • Percentage Daily Value
  • Additional ingredients
  • Suggested use
  • Warnings
  • Allergens

Do not assume that an expensive product is automatically better.


4. Be Careful with High-Potency Products

A product containing extremely high amounts of multiple nutrients is not necessarily more effective.

In some cases, high doses can create unnecessary risk.

The objective is to fill a nutritional gap—not create a new one.


5. Consider Quality Testing

Independent quality testing can provide additional information about whether a product meets certain standards for identity and contents.

Organizations and programs such as USP and NSF offer quality-testing or certification programs for certain dietary supplements.

However, third-party testing does not mean that a product is medically necessary or that its health claims are automatically proven.

Quality and usefulness are two different questions.


Food First: What Should You Eat Instead?

A multivitamin should not become an excuse to neglect your diet.

A varied eating pattern can provide a combination of vitamins, minerals, fiber, protein, healthy fats, and other food components.

Variety of whole foods providing vitamins and minerals

Here are some examples:

NutrientFood examples
Vitamin CCitrus fruits, bell peppers, strawberries, tomatoes
Vitamin B12Fish, meat, eggs, dairy, fortified foods
FolateLeafy greens, beans, lentils, asparagus
IronMeat, lentils, beans, leafy greens, fortified foods
CalciumDairy foods, fortified alternatives, tofu, some leafy greens
Vitamin DFatty fish, fortified foods, egg yolks
MagnesiumNuts, seeds, legumes, whole grains
ZincMeat, seafood, dairy, beans, nuts and seeds
Omega-3 fatsFatty fish, walnuts, chia seeds, flaxseed

Food sources are not interchangeable with supplements in every situation, but they provide a useful foundation.

The American Heart Association similarly recommends a balanced diet as the primary way to obtain nutrients.


Multivitamin vs. Specific Nutrient Supplement

Sometimes the better question is not:

“Do I need a multivitamin?”

but:

“Do I need a particular nutrient?”

For example:

SituationPossible approach
Confirmed iron deficiencyDiscuss an appropriate iron treatment
Low vitamin B12Determine why B12 is low and choose appropriate supplementation
PregnancyUse an appropriate prenatal strategy
Vegan dietPay particular attention to nutrients such as B12
Adequate varied dietA multivitamin may not be necessary
Absorption disorderFollow individualized nutritional guidance
Taking several medicationsReview supplements with a pharmacist or doctor

This targeted approach can be more useful than taking a broad supplement without knowing what problem it is supposed to solve.

If you’re unsure whether a broad multivitamin or a supplement containing one specific nutrient makes more sense, understanding the differences between these approaches can help.


Multivitamin or Prenatal Vitamin?

These should not be treated as interchangeable products.

A prenatal supplement is formulated around pregnancy-related nutritional considerations.

Someone who is pregnant or planning pregnancy should discuss an appropriate prenatal supplement with their healthcare professional.

For people who could become pregnant, the USPSTF specifically recommends 400–800 micrograms of folic acid daily to reduce the risk of neural tube defects.

That recommendation is different from saying that every adult should take a general multivitamin.


Multivitamins for Older Adults

Older-adult formulas can differ from standard adult products.

Some may contain:

  • More vitamin B12
  • More vitamin D
  • Less or no iron

But a “50+” or “senior” label does not automatically make a product appropriate for every older person.

A person’s medications, diet, medical conditions, and nutritional status still matter.

NIH specifically notes that formulations marketed for older adults often differ from those designed for younger adults.


What About Gummy Multivitamins?

Gummy multivitamins can be easier to take for people who dislike swallowing tablets.

However, they are not automatically better.

When comparing gummies with tablets, check:

  • Which nutrients are included
  • The amount of each nutrient
  • Added sugar or sweeteners
  • Serving size
  • Whether multiple gummies are required for one serving
  • Other ingredients

Some gummies may not contain the same range or amounts of nutrients as a conventional multivitamin.

The form matters less than whether the product actually fits your nutritional needs.


Can Multivitamins Replace Healthy Eating?

No.

A multivitamin can provide selected vitamins and minerals, but it does not reproduce the full nutritional value of a varied diet.

It does not replace:

  • Vegetables
  • Fruits
  • Whole grains
  • Legumes
  • Protein foods
  • Healthy fats
  • Dietary fiber
  • Overall dietary variety

NIH explicitly states that multivitamin/mineral supplements cannot replace eating a variety of foods.

Think of supplementation as support, not a substitute for meals.


A Simple Decision Framework

If you’re unsure whether you need a multivitamin, ask yourself these questions.

Question 1: Is there a specific reason I’m considering one?

If the answer is simply “because everyone takes one,” pause before buying it.

Question 2: Is there a known nutritional gap?

Consider your diet, life stage, and any known deficiencies.

Question 3: Can I address the gap through food?

If yes, improving your diet may be the simplest starting point.

Question 4: Is there a reason food alone may not be enough?

Pregnancy, restrictive diets, absorption problems, and certain medical situations can change the answer.

Question 5: Am I already taking other supplements?

Check for overlapping nutrients.

Question 6: Could it interact with a medication?

If you take prescription medicines, ask a pharmacist or healthcare professional.

Question 7: Am I choosing a reasonable formulation?

Avoid assuming that the highest dose or most complicated formula is the best.

Decision guide showing factors to consider before taking a multivitamin

A Practical Multivitamin Checklist

Before buying a multivitamin, consider this checklist:

Diet:
Do I regularly eat a varied diet?

Reason:
What specific reason do I have for taking this supplement?

Nutrients:
Do I have a known deficiency or a likely dietary gap?

Life stage:
Am I pregnant, planning pregnancy, or in a different life stage requiring specific nutritional considerations?

Medication:
Could any ingredient interact with my medicines?

Overlap:
Am I already taking another vitamin, mineral, fortified drink, or supplement?

Dose:
Does the product contain unnecessarily high amounts of nutrients?

Quality:
Is the manufacturer transparent about ingredients and quality testing?

If you cannot answer why you need the product, that is a good reason to pause before purchasing it.


What Health Organizations Say

Different organizations approach supplements from slightly different perspectives, but an important theme is consistent: supplements should not automatically replace a healthy dietary pattern.

U.S. Preventive Services Task Force

For healthy, nonpregnant adults without known nutritional deficiencies, the USPSTF says evidence is insufficient to determine whether multivitamins prevent cardiovascular disease or cancer. It does not apply this statement to pregnant people, children, people with known deficiencies, or certain chronically ill populations.

National Institutes of Health

NIH’s Office of Dietary Supplements explains that multivitamin formulations vary widely and that nutritional needs should generally be met primarily through food, with supplements potentially useful when dietary intake is insufficient or specific needs exist.

American Heart Association

The American Heart Association emphasizes a balanced dietary pattern and notes that foods provide nutrients and other dietary components that supplements do not fully reproduce.

These recommendations do not mean that supplements are never useful.

They mean that the reason for taking a supplement matters.

If you’re interested in how the evidence applies specifically to heart and brain health, see our guide to multivitamins for heart and brain health.


Frequently Asked Questions

Do healthy adults need a multivitamin every day?

Not necessarily.

Many healthy adults can obtain the nutrients they need from a varied diet. A multivitamin may be useful when a specific nutritional need exists, but routine use should not be assumed to be necessary for everyone.

Can multivitamins prevent heart disease or cancer?

Current evidence does not establish multivitamins as a proven way to prevent cardiovascular disease or cancer in healthy, nonpregnant adults. The USPSTF considers the evidence insufficient to determine the overall balance of benefits and harms for this purpose.

Do multivitamins give you energy?

They may help if a nutritional deficiency is contributing to fatigue.

If you are not deficient, taking additional vitamins does not automatically produce an energy boost.

Persistent fatigue should not simply be treated with supplements.

Is it better to take a multivitamin or a single vitamin?

That depends on the nutritional problem.

If you have a specific deficiency or dietary gap, a targeted nutrient may be more appropriate than a broad multivitamin.

Should everyone over 50 take a multivitamin?

No.

Some older adults may benefit from particular nutrients, but age alone does not prove that someone needs a multivitamin.

Are gummy vitamins as good as tablets?

Not necessarily.

The important issue is the nutrient content, amounts, ingredients, serving size, and suitability for your needs.

Can I take a multivitamin on an empty stomach?

It depends on the formulation and the nutrients it contains.

Some people experience stomach discomfort when taking supplements without food. Follow the product directions and consider taking it with food if recommended.

Some individual nutrients also have specific absorption considerations.

Can I take a multivitamin with prescription medication?

Sometimes, but not always.

Some nutrients can interact with medicines. Vitamin K is particularly relevant to people taking warfarin, while minerals such as calcium and iron can affect the absorption of some medicines.

Ask a pharmacist or healthcare professional if you are unsure.

Can I take a multivitamin and other supplements together?

You can sometimes combine supplements, but check the labels first.

Taking several products can result in unnecessary duplication of nutrients.

For example, a multivitamin plus a separate vitamin D, zinc, iron, or vitamin A supplement may significantly increase your total intake.

Should I take a multivitamin if I eat poorly?

A multivitamin should not become a replacement for improving your diet.

If your diet is limited because of financial, medical, appetite, or other circumstances, a healthcare professional or registered dietitian can help identify practical ways to meet your nutritional needs.

How long does a multivitamin take to work?

There is no universal timeline.

If someone has a nutrient deficiency, correcting it may improve a related problem over time, but the response depends on the nutrient, severity of the deficiency, cause, treatment, and individual circumstances.

A multivitamin should not be expected to produce a noticeable effect simply because it has been taken for a few days or weeks.


Final Verdict: Do You Really Need a Multivitamin?

The most accurate answer is:

Some people do, some people don’t, and many people need to answer a more specific nutritional question first.

If you have a diagnosed deficiency, follow a restrictive diet, are pregnant or planning pregnancy, have difficulty absorbing nutrients, or have another specific nutritional need, supplementation may be useful.

If you are a healthy adult who regularly eats a varied diet and has no known nutritional deficiency, a multivitamin may not provide a clear additional benefit.

The goal should not be to consume as many vitamins and minerals as possible.

The goal is to meet your nutritional needs safely and appropriately.

Before starting a new supplement, look at the reason you want it, review your diet, check the label, consider other supplements you already take, and ask a healthcare professional or pharmacist if you take medicines or have a medical condition.

A multivitamin can be useful in the right situation—but “more vitamins” is not the same thing as “better health.”

Medical Disclaimer

This article is for general educational purposes and does not provide individualized medical advice, diagnosis, or treatment. Nutritional needs vary by person. If you have a diagnosed deficiency, are pregnant or planning pregnancy, have a medical condition, or take prescription medicines, speak with an appropriately qualified healthcare professional before starting or changing a supplement.

References

Written By: Zaheer Abbas

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