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Purchase a gift card this month and both you and its recipient will receive 15% OFF your next order Give the gift of health to others, while sharing the knowledge and tools that anyone can...
What are the Zinc to Copper Ratios of GrassrootsHealth Participants? (Updated 2023)
One of the most common trace metal imbalances is a high copper level with a low zinc level; measuring the Zinc to Copper Ratio can tell you if these two minerals are in balance...
What Are the Zinc Levels of GrassrootsHealth Participants? (Updated 2023)
An estimated two billion people world-wide are deficient in zinc, an element essential for immune health, central nervous system function, growth and reproduction, and much more – are you getting enough? Key Points Zinc...
The Need for Higher Vitamin D Doses Demonstrated in Randomized Trial
Congratulations and Thanks to the Target-D Trial for demonstrating the importance of dosing based on serum level! Key Points Findings from the Target-D trial showed that participants needed much more vitamin D than what...
Vitamin D Safety and Adverse Effects – When Should Caution Be Advised?
Prof. Sunil Wimalawansa elaborates on the safety of vitamin D and avoiding adverse effects, including types of individuals who may need to be more cautious about taking higher doses and concerns about co-nutrients. (Interview...
How Does One Determine the Right Amount and Type of Vitamin D to Take?
Prof. Sunil Wimalawansa elaborates on calculating the correct amount of vitamin D to take and when certain forms of supplementation should be considered (Interview Series Part 4) A 5-Part Interview Series with Dr. Sunil...
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Black Friday Sale Now through Tuesday, November 28th Save 20% on all orders* today through Tuesday for our Black Friday Sale Event! See where your vitamin D level is at along with other important...
A Special Thank You Letter from Dr. Cedric Garland
Cedric Garland, Dr. PH is the principal investigator of the vitamin D*action study and one of the world’s leading senior researchers and experts on vitamin D and cancer Key Points Thanks from Dr. Garland...
What Enhances or Weakens Natural Immunity?
The severity of a disease depends on the strength of our natural immunity, in other words, how our body’s immune system responds to viral infection Key Points The strength of one’s immune response can...
Understanding the Forms of Vitamin D: Vitamin D3, 25(OH)D, and 1,25(OH)2D
What are the unique differences between each major form of vitamin D within the body, and under what circumstances might individuals consider measuring them? Part 3 of a series of questions and answers with...