At GrassrootsHealth, we are well aware that the quality of a supplement MATTERS.  Our Trusted Brands advocates have met specific criteria to show proven quality, absorption, strength, composition, purity, and safety.  

Save from the following brands while also supporting GrassrootsHealth.

GrassrootsHealth has been running the vitamin D*action study now for over 15 years, and throughout that time, we have often been asked what products, supplements, and brands we recommend our participants and followers use to help improve their levels of vitamin D and other nutrients, and in turn, improve their health.

In order to provide just a few recommendations, we reached out to some of the companies that we have worked with in the past, who we know provide excellent, high-quality products. The Trusted Brands listed below are just a few of those that we know provide quality products, and each of the supplement companies have met specific criteria to show proven quality, absorption, strength, composition, purity, and safety.

In addition, these brands have agreed to not only give our participants a discount, but they will also support GrassrootsHealth by giving a percentage of sales from your purchases back to us, or by donating products to one of our special projects.

Sperti Vitamin D Sunlamps

The Sperti Vitamin D Sunlamp, model D/UV-F, provides the special UVB rays needed for your body to produce Vitamin D. It is the only FDA recognized ultraviolet product for Vitamin D production in the human body, and independent studies have verified its effectiveness.

Look for our special project enrollment opportunity with Sperti!

See how the Vitamin D Sunlamp works for you!

Shop Sperti Here10% Discount on all products
Use Coupon Code GRASSROOTS


Parasol Omega-3 Fish Oils

One bottle of this high-quality omega-3 fish oil supplement contains a 3-month supply (180 softgels). Each capsule contains 400 mg of EPA and 300 mg of DHA, is made from sustainably harvested fish oil, and is processed in triglyceride form for better absorption. Formulated to increase the Omega-3 Index into a desirable range.

  • Uses a combination of non-GMO wild anchovy, sardine, and mackerel caught off the coast of Chile
  • Triglyceride form, proven to ensure better absorption
  • Advanced purification technologies to remove mercury, Lead, PCBs, Cadmium, Arsenic, and other environmental toxins
Shop Parasol Here10% Discount on all products
Use Coupon Code GRASSROOTS


RnA ReSet: Highly Absorbed Magnesium

Dr. Carolyn Dean is a medical doctor, naturopath, and author of over 35 books including best seller The Magnesium Miracle. With 40 years of experience, she offers proprietary, unique formulations that give every individual at any stage of wellness or illness the necessary building blocks for sustained health, vitality, and well-being. Their cGMP manufacturers have professional staff dedicated to the adherence of all quality standards of the FDA’s Good Manufacturing Practices which stipulate that manufacturers must evaluate the identity, purity, quality, strength, and composition of their dietary ingredients and dietary supplements to help guarantee that the products are safe and accurately labeled. Each batch of products is accompanied by a Certificate of Analysis (COA), displayed on their website’s Help page.

Look for our special MgPLUS project enrollment opportunity with RnA ReSet!

Shop RnA ReSet Here10% Discount on all products
Use Coupon Code GRH


Coromega: Emulsified & Highly Concentrated Omega-3 Squeezes

Founded in 1999, Coromega’s primary focus is to create high-quality nutritional supplements that are easy to take, enjoyable to consume, and backed by scientific research. To achieve this, Coromega uses a proprietary emulsification process to deliver supplements in a squeezable packet that offers superior absorption and convenience. With a broad range of products that includes Omega-3 supplements for adults, pets, and kids, Coromega offers something for everyone looking for a simple and effective way to support their overall wellness.

Coromega ensures that all its products are safe and effective through third-party testing, giving customers peace of mind whether they’re athletes, health enthusiasts, or just looking to improve their overall well-being.

Shop Coromega Here10% Discount on all products
Use Coupon Code GRASSROOTS10


Jigsaw Health: Magnesium, Hydration & Recovery Products

Jigsaw Health offers the highest-quality nutritional supplements with a special focus on magnesium supplements and hydration & recovery products. They use only the highest quality ingredients, each carefully researched and hand-selected to ensure the greatest potency, from the most reputable labs and manufacturers. Every batch of their products is triple-tested, and the lab results are posted online for all to see.

Their products have 13,000+ 5-star reviews, with a 90-day, no-hassle, money-back guarantee.

Shop Jigsaw Here$10 Off your order
Use Coupon Code GRH10


Alkaline for Life: Health through Proper pH Balance

At Alkaline for Life, embrace optimal health and vitality through proper pH balance and by alkalizing your body’s chemistry. This company is directed by Dr. Susan Brown, from the Center for Better Bones, who has devoted her 40+ year career to exploring promising nutritional and lifestyle pH therapies.

  • Only the highest quality hypoallergenic nutrients with no fillers, binders, or GMOs
  • Pharmaceutical grade or better with assurance that products exceed the FDA’s pharmaceutical GMP (Good Manufacturing Practices)
  • Full disclosure label. No hidden ingredients. Formulated for the most sensitive body chemistry with the focus on purity
  • Optimized bioavailability using biologically preferred ingredient forms activated by the same potent transporters used in nature and in food
  • Free from: Citrus, MSG, wheat/gluten, corn/zein/starch, dairy/casein/whey/milk derivatives, yeast, soy, sulfate, phosphates (other than co-enzymes), and preservatives
Shop Alkaline for Life Here10% Discount on all products*
Use Coupon Code GRASSROOTS10

*Save even more by joining the subscriber newsletter and rewards program when you shop on the site!

Many more options can be found through the GrassrootsHealth Wellness Center, Powered by Fullscript!


Fullscript carries only practitioner-grade supplements, and follows strict supplement quality controls to ensure all products are from reputable brands with a supply chain that helps promote better patient outcomes.  Find many more brands in the GrassrootsHealth Wellness Center on Fullscript.

Automatically receive 10% off all orders, plus free shipping on orders over $50

Shop Fullscript Here