Last update: July 20, 2024

7 minute read

How Do I Know If I'm Buying High-Quality Supplements?

Find out how to choose quality supplements with our expert tips, forms to look for, and other options.

Stephanie Wright

By Stephanie Wright, RN, BSN

Edited by Dr. Jacquie Leone, NMD, HN

Learn more about our editorial standards

Have you ever wondered how to spot high-quality supplements? Selecting the right vitamins and minerals to complement your diet can be challenging. In this post, you'll discover key factors to consider when choosing supplements to ensure you get the best for your body.

Key takeaways

  • High-quality supplements are identifiable by their bioavailable forms, proper dosages, and purity
  • Reading labels thoroughly and talking to a healthcare provider are key steps in choosing supplements
  • It’s best to store your supplements in a cool, dry place away from heat or sunlight

    How do I know if I’m buying high-quality supplements?

    You can identify premium supplements by checking for potent, absorbable nutrients and ensuring they're free from unnecessary additives. Look for transparency on sourcing and thorough testing for purity and efficacy.

    What are the forms of supplements I should look for?

    When zeroing in on the best supplements, the form of a nutrient can have a big effect on how well it's absorbed by your body. For example:

    • B vitamins should be in their most bioavailable forms, like B2 as Riboflavin-5-Phosphate and B6 as Pyridoxal-5-Phosphate.
    • Look for Vitamin C derived from whole foods to ensure you get the full benefits, along with supportive bioflavonoids.
    • Vitamin D3 (cholecalciferol) is more readily used by the body than D2.
    • Take fish oil from wild-caught fish and minerals in chelated form, which your body can more easily use.

    How do I determine the potency and dosage of supplements?

    Determining the potency and dosage of supplements depends on many factors, and it's important to approach it carefully. Here are some general steps to help you determine the right potency and dosage for your supplements:

    1. Talk to a doctor: Before starting any supplements, talk to your doctor. They can give advice based on your health and any medications you take.
    2. Check the label: Look at the supplement label for info on how much to take. It usually tells you the serving size and amount. Pay attention to the units (like milligrams) to get it right.
    3. Know your goals: Think about why you're taking the supplement. Your goals affect how much you need. Your doctor can help figure this out.
    4. Start small: Start with the recommended dose on the label or what your doctor suggests. This helps you see how your body reacts without problems.
    5. Adjust as needed: Pay attention to how you feel. If something's wrong or you’re not getting the desired results r, talk to your doctor. They might change the dose or suggest something else.
    6. Watch for interactions: Some supplements can affect each other or any medications you may be taking. Your doctor can help you avoid problems by checking for interactions.
    • Be careful with high doses: Don't take any supplements unless your doctor says so. Too much of some vitamins and minerals can cause issues.

    What do purity and quality in supplements mean?

    "Purity" in supplements means how clean and free of harmful substances they are, like contaminants or things you don't want. A pure supplement only has what it says on the label and nothing extra.

    "Quality" is about how good the supplement is overall. It includes where the ingredients come from, how it's made, and if it does what it's supposed to do. A high-quality supplement is safe, reliable, and gives the health benefits it promises.

    When picking a supplement, choose one from a trusted brand that cares about both purity and quality. Look for certifications from groups like NSF or USP to make sure you're getting a good product. As always, it's smart to talk to your doctor for advice based on your health needs.

    Before I buy, what should I check on supplement labels?

    Before adding any supplement to your cart, review the label thoroughly. Here's a checklist:

    • Make sure the supplement doesn’t contain allergens or ingredients you’re sensitive to.
    • Confirm that the other ingredients section doesn't list unnecessary fillers.
    • Verify that it fits your dietary preferences, like plant-based or non-GMO.
    VitaRx Tip

    Make sure to read labels carefully to avoid side effects or nutrient overdoses.

    Why is consulting a doctor crucial when choosing supplements?

    Talking to a doctor before choosing supplements is important for a few reasons. First, they can give you advice that's specific to your health needs and any medical history you might have.

    They can also check if the supplements might interact with any medications you're taking. Doctors know how much of a supplement is right for you, helping you avoid taking too much or too little.

    They can also watch out for any side effects and address concerns quickly. Plus, doctors can identify if you're lacking certain nutrients and recommend the right supplements to fill those gaps. Overall, consulting with a doctor ensures your supplement choices fit into your overall health plan, keeping you safe and healthy.

    How do I store my supplements correctly?

    To store your supplements correctly, keep them in a cool, dry place away from heat and sunlight. Avoid storing them near sources of heat like stoves or radiators.

    If the label suggests refrigeration, especially for probiotics or certain liquids, make sure to follow those instructions. Keep supplements in their original, tightly sealed containers to protect them from air and moisture.

    Also, always check the expiration date. And, of course, keep them out of reach of children and pets.

    Prioritize safety and efficacy

    These simple steps will help maintain the effectiveness and safety of your supplements.

    Dos and don'ts of buying high-quality supplements

    When looking for high-quality supplements, it's crucial to have a clear checklist to guide your choices. To simplify, here's a straightforward table of dos and don'ts to serve as your quick reference guide while shopping for supplements.


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      Check for bioavailable forms of nutrients.

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      Make sure the dosage aligns with RDA or scientific literature.

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      Look for products that have undergone strict purity testing.

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      Read labels for allergen information and dietary compliance.


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      Buy supplements with artificial additives.

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      Ignore potential interactions with your current medications.

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      Settle for products without proper storage instructions.

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      Overlook the importance of consulting a healthcare provider.

    Advantages and disadvantages of buying high-quality supplements

    Picking good supplements isn’t always easy. On the bright side, it can boost your health; on the not-so-bright side, you might make choices without enough information. Here's a quick guide to help you know the pros and cons.

    Frequently asked questions (FAQ)

    Here are some of the most frequently asked questions about buying high-quality supplements.

    Final thoughts

    Picking good supplements is a key part of taking care of your overall health. You need to consider what kind, how strong, how pure they are, and if they fit your diet and health needs.

    We make this easy. We use science, clear practices, and personal service to improve your health routine. Just do a health check and get your own personalized vitamins for a healthier you!

    Sources and references


    Stephanie Wright avatar

    Stephanie brings over 13 years of diverse nursing experience to the table, having honed her expertise in critical care, mental health, and utilization management. Her journey as a registered nurse across these various healthcare sectors underscores her adaptability and deep commitment to patient care.

    Fact checker

     Dr. Jacquie Leone avatar

    Dr. Leone holds a BA in Psychology, a Doctorate in Naturopathic Medicine, and board certification in holistic nutrition. In addition to practicing medicine, Dr. Leone has developed and currently teaches science and nutrition courses for a nationally accredited institution. She specializes in chronic illness, gastrointestinal dysregulation, inflammatory conditions, and mental health. Her unique approach combines the wisdom of Eastern medicine with the technology and science of Western medicine, offering an integrative approach heavily focused on functional medicine.

    At VitaRx, we're not just passionate about our work — we take immense pride in it. Our dedicated team of writers diligently follows strict editorial standards, ensuring that every piece of content we publish is accurate, current, and highly valuable. We don't just strive for quality; we aim for excellence.

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