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How to Determine if a Vitamin or Supplement Is Actually Right for You

With so many vitamins and supplements on the market, here are a few tips to help you find the right ones for you. (Image: Stocksy/Marc Tran)

Stroll down the supplement aisle at any health food store or pharmacy and you'll see there's no shortage of vitamins and other dietary add-ons out there, promising everything from bigger muscles to a longer lifespan.

But wading through all of the options to find the best — and safest — choice for your personal wellness needs can be a challenge, to say the least.

Maybe you're looking for a vitamin that can help keep your bones strong as you age, or you'd like to try a supplement to boost your weight-loss efforts. Or perhaps you're completely new to all of this and searching for a foothold when it comes to supplemental wellness. Whatever your goal, we've got the info you need in this comprehensive LIVESTRONG.com guide.

Here, we'll cover everything you need to know to find the best vitamins and supplements, from primers on the big players to tips on protecting your health — and wallet — when you're ready to make a purchase.

First, Let's Talk Safety

Before you consider adding any vitamin or supplement to your dietary plan, speak to a doctor. Why? Well, your body and needs are unique, and only a trained health care professional can tell you what's safe and what's not based on your health history, current conditions, prescription medications and other key factors. And if you're feeling hesitant to bring it up, keep in mind that your doc's goal is to help you be as healthy as possible, so no question about your wellness is too silly or small.

Once you get the OK from your MD, here's some more food for thought: The U.S. Food & Drug Administration does not ensure the safety of dietary supplements before they go to market, like it does for other food and drug products, so the quality and consistency of these products can vary.

While some may be simply overrated and not deliver the results they promise, others could be harmful to your health. Luckily, there are a few easy ways to tell if a product is worth your investment.

Here's everything you need to know about vitamin and supplement safety.

Certain vitamins and minerals may help boost your energy levels, like B-complex, vitamin D and iron. (Image: LIVESTRONG.com Creative)

Vitamins for Vitality

Let's say your get-up-and-go isn't what it used to be, or you're on the hunt for a natural alternative to the amp-you-up beverages that help you get through the day. There are a lot of potential culprits when it comes to sluggish energy levels, but getting the right amount of certain nutrients is an excellent place to start.

B-complex vitamins, vitamin D and iron all play an important role in fighting fatigue. And while most people can typically find these nutrients in abundance in their diets, supplementation may be the right move for others.

Here's how to determine which energy-boosting vitamins and nutrients are best for you.

Getting the right amount of several key nutrients can help make losing weight easier. (Image: LIVESTRONG.com Creative)

The ABCs of Getting Trim

If you're trying to lose weight, you may be tempted to try a pill or powder that claims to help with the process or even speed up your results. But unfortunately, there's no supplement in the world that can magically melt away pounds — the solution to that lies in the tried-and-true tenets of better nutrition and more exercise.

However, if you're not getting enough of a few critical vitamins and minerals — which can certainly happen when you're following a reduced-calorie diet — it can make weight loss all the more challenging.

Find out which vitamins for your weight-loss journey are the most important, plus how to pack more into your meals.

Most people don't need to take multivitamins, but for some, they can help correct nutritional deficiencies. (Image: LIVESTRONG.com Creative)

Multis Made Easy

You may not have a specific dietary goal, but you think your diet is a bit lacking in all the nutrients you need on a daily basis. While food should always be your primary source of vitamins, multivitamins can help you fill in the gaps and potentially help correct nutritional deficiencies.

But when it comes to these all-in-one powerhouses, there's no one-size-fits-all formula. Some multis target men's needs, while others are better suited for women, and that's just the tip of the iceberg. So, how to choose the best one for you?

Learn what specific things you should look for when selecting a multivitamin.

You likely don't need to take a vitamin A supplement if you're eating a healthy diet. (Image: LIVESTRONG.com Creative)

Upping Your A Game

Although it's probably best known for supporting eye health, vitamin A is also crucial for keeping your immune and reproductive systems in tip-top shape. And some research has even linked the nutrient to a lower risk of skin cancer and obesity.

Vitamin A is fat-soluble, which means your body can stockpile it. It's also available via a variety of foods, from carrots to cantaloupe, so you're likely getting enough if you're eating a healthy diet. But those with certain health issues are at risk for deficiency and may benefit from taking a supplement.

Read more about the benefits of this A-list nutrient and who should consider boosting their intake.

Vitamin B-complex can help keep your metabolism healthy. (Image: LIVESTRONG.com Creative)

B's Big Benefits

Vitamin B may be the most complex (pun intended) of the singular vitamins, because it's actually a group of eight distinct nutrients. As a whole, though, they're responsible for keeping your metabolism running smoothly and efficiently, and a deficiency in any one of them can seriously affect your health.

The rub? The Bs are water-soluble (as opposed to fat-soluble, like vitamin A), which means your body gets rid of whatever it doesn't use right away, and you constantly need to replenish your stores via food or supplements.

Here's how to make sure you're reaping all the perks of the B vitamin group.

Vitamin C helps your body fend off illness in a variety of ways. (Image: LIVESTRONG.com Creative)

All the C You Need

Think of vitamin C as the power source that keeps your body's natural defense system running. This mighty little nutrient bolsters your immune system, which helps you fight off potentially harmful germs and bacteria, and it also acts as an antioxidant, combatting the free radicals that might otherwise damage your DNA and lead to chronic illness. Pretty impressive, huh?

There's a lot more to know about this important vitamin (no, it can't actually prevent the common cold), and some of it might surprise you — like just how much you should be getting on the daily.

Get all the details on why you need vitamin C and the many delicious ways to add more to your diet.

Vitamin D is an important nutrient, but most people don't get the recommended amount. (Image: LIVESTRONG.com Creative)

Spotlight on the "Sunshine Vitamin"

Speaking of immune-boosters, let's talk about vitamin D, the hormone (yes, hormone) that also helps your body build strong bones and teeth and keeps your muscles functioning properly. Research has even linked a long-term lack of D to a higher risk for hypertension, type 2 diabetes and cancer.

Unfortunately, it's estimated that billions of people don't get enough of this nutrient on a daily basis, and certain people are especially at risk for deficiency based on where they live, what they eat and how old they are.

Learn more about vitamin D and what you can do to raise your levels.

Collagen powder is becoming popular as a dietary supplement for active individuals. (Image: LIVESTRONG.com Creative)

Protein's Trendy Turn

Of all the dietary supplements out there, collagen seems to be stealing the limelight most often these days (sorry, fish oil). The protein, which is naturally made in our bodies, has gotten a lot of attention in the beauty world for its potential to deliver better hair and a younger-looking complexion, but its benefits are more than skin deep.

Collagen is key when it comes to repairing damaged muscles, cartilage and bones, as well as maintaining the mobility of our joints and connective tissues as we age. The protein is readily available in many foods, but budding research indicates that taking a collagen supplement may benefit active people. Ready to give it a try?

Here's how to choose the best collagen supplement for you based on your personal wellness goals.

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