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  • Our Products
    • Humic And Fulvic Acid Complex
      • Humic & Fulvic POWDER
    • Shilajit- with Humic-Fulvic Acids
      • Shilajit with Humic-Fulvic Acids
    • Multivitamins / Vitamins & Minerals
      • Real Multi -One Per Day 30 day & 60 day
      • Real D3 K2 Plant Based Soft Gel
      • Real Magnesium -Non-Buffered 4 Blend
    • Cold & Immune
      • Cold Formula by LeafSource®
    • Lifestyle
      • Stress Complex With 2x Ashwagandha Strength
      • Real Bio-Gut Superfood
      • Real Berberine
      • Real Sleep
  • The Science
  • Our Principles
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LeafSource® Canada
  • Our Products
    • Humic And Fulvic Acid Complex

      • Humic & Fulvic POWDER
    • Shilajit- with Humic-Fulvic Acids

      • Shilajit with Humic-Fulvic Acids
    • Multivitamins / Vitamins & Minerals

      • Real Multi -One Per Day 30 day & 60 day
      • Real D3 K2 Plant Based Soft Gel
      • Real Magnesium -Non-Buffered 4 Blend
    • Cold & Immune

      • Cold Formula by LeafSource®
    • Lifestyle

      • Stress Complex With 2x Ashwagandha Strength
      • Real Bio-Gut Superfood
      • Real Berberine
      • Real Sleep
  • The Science
  • Our Principles
  • 0
LeafSource® Canada
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LeafSource®

The Science of Nature, Made Simple, Made Real

If you’re curious, cautious, or both, you’re in the right place. You want clear answers, not lab-speak. We agree. This page explains how we think about the “science” in supplements at LeafSource® in plain language, with respect for both nature and evidence.

The LeafSource® Approach


For over twenty years we have focused on one idea: real ingredients from nature work best when they stay close to their original form. That does not mean guessing or folklore. It means paying attention to outcomes, respecting how nutrients live together in foods, and using research to guide smarter choices.

What “Science” Means To Us


Science is not only test tubes. It is also observation, pattern, and results. Nature already builds complex nutrient teams that work together. When you pull one star out of the team and ignore the rest, the result often falls short.

Our Nature-Inspired Mantra

  1. Respect nature’s nutrient teamwork


  2. Prefer food-based or naturally complexed forms


  3. Avoid unnecessary synthetics and isolates


  4. Use research and real-world results to guide every formula

How This Shapes LeafSource®

We select ingredients that arrive with natural partners, not lone actors. We use gentle methods that keep those partners intact. We look for forms your body recognizes and uses well. Then we test, refine, and keep the formulas clean.

Why It Matters For You

You want products that feel right in your body, that fit your routine, and that you can trust. When nutrients are delivered the way nature intended, people often report better tolerance and steady, reliable effects. That is the experience we design for.

Your Next Step

Take a look at our products. Read the labels. Notice the forms we choose and the supporting compounds we include. If you have questions, ask. We are happy to help.

LeafSource® Canada

Nutritional Researcher, Educator & Best Selling Author on Health

Brad King MFS, MS

Our formulator Brad King, has won many awards for his formulations and now exclusively develops products for
LeafSource®



LeafSource®️ is a leading provider of natural health products, dedicated to empowering individuals to live their healthiest lives. We believe in the transformative power of nature, and our products are designed to support and enhance the body's natural healing processes.

Subscribe To The Health-Source Newsletter HERE

You'll receive exclusive content on health related news, tips and alerts from Nutritional researcher and 2 time best-selling author on health Brad King MS MFS.

PLUS! Specials Just For You. You'll also receive discounts and offers for your eyes only!

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The information found throughout this site has not been evaluated by Health Canada or the FDA and is not intended to diagnose, treat, cure or prevent any disease or medical condition. All content provided is only informational and is not a substitute for advice from a qualified medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease, or prescribing any medication or health fix. You should read carefully all product packaging. If you have or suspect that you have a medical problem, promptly contact your health care provider prior to using any drug, medication, or dietary supplement. If you are pregnant or breast-feeding, check with your health care professional before taking any product. If you have any questions, please let us know at info@leafsource.com

LeafSource® is a registered trademark of Transforming Health Inc.

*LeafSource® Guarantee is limited to one person per household

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★ Reviews

Let customers speak for us

624 reviews
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M
Shilajit Liquid 60ml with Fulvic Acid (80 servings) LeafSource®
Martha +.A.D.

Excellent product

J
Real Berberine 90 Vcap
Jane M.
Leafsource Berberine for the Win!

Love this brand so much. Made me try the Shilajit liquid which is now another favorite. Great quality and price from Leaf Source! Thanks

R
Real Magnesium 120vcap
Robert B.

Since starting Real Magnesium I have no more digestive issues and have more energy and smoother sleeping

H
Real Berberine 90 Vcap
Harry L.

I was very impressed with your follow up to my order. It got delayed some where in delivery and your follow up was quickly rectified

M
Real Berberine 90 Vcap
Marion H.
Watching my glucose readings going down

Real Berberine is a fantastic product. It lives up to everything that has been said in the advertising. I’ve only been taking it for ten days and I’m watching my glucose readings and my blood pressure readings going down to a healthy number. Something that my prescriptions haven’t been able to do. So very pleased.

T
SHILAJIT Capsules Fulvic Acids Humic Acids LeafSource®
Tina S.
Gaïa

Hi! I was taking another supplement and I wanted to wait until I felt the effects of it before taking this one 😀 so I will giving you my review in a couple of weeks! Thank you 🙏

N
Real Berberine 90 Vcap
Nancy B.

Love it

A
SHILAJIT Capsules Fulvic Acids Humic Acids LeafSource®
Aurore A.

SHILAJIT Capsules Fulvic Acids Humic Acids LeafSource® (formally humic-fulvic complex)

B
Real Berberine 90 Vcap
Bonnie A.
Berberine

Haven't received as of yet but pleased with results from first bottle.

R
Real Berberine 90 Vcap
Roberta D.
Fabulous

I found it helps to regulate my blood sugar levels and helps me avoid taking a prescription medication.

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