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Quantum Nutrition Labs Reviews

4.7 Rating 683 Reviews
93 %
of reviewers recommend Quantum Nutrition Labs
QN Labs has provided me with several top-quality products. The digestive enzymes and HCL are essential for good results with cooked foods. I really appreciate the information available from QNL. TJN
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Posted 1 year ago
It is easy to order from QN Labs; and the product is delivered in a timely manner.
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Posted 2 hours ago
I love QNL because they have the best clean vitamins.
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Posted 2 hours ago
Wonderful supplements, quick delivery.
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Posted 12 hours ago
I’m really loving my product! Feel great!
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Posted 1 day ago
Hi Karissa, Awesome to hear you're feeling great! We’re so glad the product is working well for you. Thanks for sharing!
Posted 1 day ago
very fast delivery
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Posted 3 days ago
Hi John, Thanks for the feedback! We’re glad your order arrived quickly and appreciate you choosing QNL.
Posted 3 days ago
Products are good. Products are good.
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Posted 3 days ago
Hi David, Thanks for the feedback. We’re glad to hear you’re happy with the products and appreciate your support!
Posted 3 days ago
Ever since I’ve listened to Bob Marshall I’ve been buying product, especially the oil of oregano. It’s a great deal for such a quality product . Top-notch quality that’s why I keep buying product. quantum labs is number one in quality in my book. I’ve been buying product from them for over 15 years. Their quality has never changed.
Quantum Nutrition Labs 5 star review on 29th April 2025
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Posted 3 days ago
Hi Henry, That’s some serious loyalty and we appreciate every bit of it. We’re thrilled Oregano Oil is still doing the job and that our products continue to deliver. Thanks for making us your top pick for over 15 years!
Posted 3 days ago
Thank you for keeping up the quality and superb customer service.
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Posted 4 days ago
Hi Steve, Thank you for the kind words. We’re committed to maintaining both product quality and customer care, and it means a lot to know it shows.
Posted 3 days ago
Excellent products and quick responses should I have questions, very timely deliveries; thanks!
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Posted 4 days ago
Hi there, Thanks for taking the time to share this. We’re happy to hear everything has been working well for you.
Posted 3 days ago
Have been using for a few years now and always feel like I'm getting the highest quality of herbs.
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Posted 4 days ago
Hi there, Thanks for being with us for the long haul! We’re proud to offer top-tier herbs you can count on, and we’re grateful for your trust.
Posted 3 days ago
Love the products - fantastic quality with no fillers or junk. Love the sales as well… super beneficial!
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Posted 6 days ago
Hi Brittany, We’re so glad to hear you’re loving the products and the quality we work hard to maintain. And happy to hear the sales are helping too—thank you for the kind words and continued support!
Posted 3 days ago
I am very committed to QN Labs. I have followed the founder since 1990 to learn about the body. Many principles are proven. I started taking products many years later. I believe the company is very professional in research, product development and quality. (Batch Quality).
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Posted 1 week ago
Hi Glenn, It’s clear you’ve been on this path for a long time, and we’re so grateful QNL has become a trusted part of it. Thank you for believing in our mission and for staying connected all these years.
Posted 3 days ago
Love all your products!
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Posted 1 week ago
I have been using QNL products of over 10 years now. There are many products that have been key to my health. Among others, I take HCL & Activator daily, along with Greens, Calcium and EPA/DHA oil.
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Posted 1 week ago
Hi Marco, We appreciate your continued trust over the years. It’s great to hear how key formulas like Greens, Calcium, and HCL & Activator have supported your well-being. That kind of consistency speaks volumes!
Posted 1 week ago
The products work! If I miss a day I can tell the difference in my body.
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Posted 1 week ago
Hi Carol, We really appreciate you taking the time to share this. It’s amazing to hear how clearly your body responds to the support—consistency can make all the difference, and we’re so glad our products are showing up for you in that way.
Posted 1 week ago
I began using Dr. Marshall’s products in 1986, and I’m So glad that the work of QN LABS has continued… It’s a blessing to have safe , trusted alternatives to traditional medical approaches…At the age of 71 years, My health is better because of it…Thank You for all you do… Sincerely, Mrs. Janice M. Ross (Los Angeles, CA)
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Posted 1 week ago
Hi Mrs. Ross, What a powerful message, thank you! It’s a privilege to carry forward Dr. Marshall’s work and support individuals like you who value safe, natural health solutions. We’re so glad to hear that you’re thriving at 71—thank you for being part of the QNL family all these years. Here’s to your continued health and vitality!
Posted 1 week ago
When I'm ordering QNL products I know they have the highest of standards and a company I can trust in.
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Posted 1 week ago
Hi Jerry, We really appreciate that. Trust and quality are at the core of what we do, and we’re glad that comes through every time you order.
Posted 1 week ago
Order came quick and not damaged. Just starting will let you know of its progress
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Posted 1 week ago
Hi Jay, Glad to hear everything arrived safely and quickly! Looking forward to hearing how things go as you get started.
Posted 1 week ago
The fermented tumeric/ginger powder is excellent. Great taste, and mixes perfectly with my Matcha tea. Loaded with health benefits!
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Posted 1 week ago
Hi Joe, Thanks so much for the great feedback! We're grateful to have you as part of the QNL community.
Posted 1 week ago
I love the products and have been purchasing them for many years. I have been paying full price a lot of times, because when I'm out of something, it always seems to be a time when there is no special price for what I need. It would be nice to get a reward/discount once in a while, most appreciated... Dave Nanarello
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Posted 1 week ago
Hi Dave, We hear you, and we appreciate your loyalty over the years. Our monthly promotions go out through email, so definitely make sure you’re on the list. Also, our subscription program is a great way to save regularly on your essentials. If you’d like help getting started, we’re always here at (800) 370-3447 or info@qnlabs.com.
Posted 1 week ago
Quantum Nutrition Labs is rated 4.7 based on 683 reviews