Living On the Plateau
For all nutrients for which we can define a plateau, the determination of the nutrient requirement follows directly from these behaviors; an intake sufficient to get 97.5% of a healthy population up onto the...
ICU and Surgical Outcomes Improve with Higher Vitamin D Status
Vitamin D deficiency upon ICU admission shown to increase 28-day mortality risk by over 4-fold, worse post-surgical outcomes also associated with low vitamin D status Key Points A study of 236 intensive care unit...
Thermostats, Feedback, and Adaptation, by Dr. Robert Heaney
From a physiological set-point perspective, ‘normal’ vitamin D status would be a 25(OH)D concentration that requires little or no compensatory PTH response under basal conditions, where minimal adaptation is necessary, which occurs around 50...
Responses to the Latest Hit Piece Against Vitamin D by Scientific American
A recent article in a respected journal focuses on discrediting vitamin D and advancements made in vitamin D research – what should you believe, and how can you respond to this misinformation? Key Points...
Findings from RCTs on Vitamin D and Thyroid Function
What does the published research say about vitamin D and thyroid function, especially for Hashimoto’s patients? Learn and share for January’s Thyroid Awareness Month Key Points A study by Mirhosseini et al. in which...
Higher Omega-3 Levels Associated with Lower Risk of Stroke
A new study used data from 29 cohorts in 15 different countries to find that those with the highest levels of DHA, EPA, or both had the lowest risk of total and ischemic stroke...
Over 40% of Vitamin D Results have been Above 60 ng/ml Among GrassrootsHealth Participants for the Past 3 Years
The average vitamin D result has remained steady at around 60 ng/ml since 2021. What is your level? What is too high, and when is toxicity a concern? Key Points The results distribution from...
Omega-3 Index Results Among GrassrootsHealth Participants (Updated 2023)
A Gift for You, Save 15% Today and Tomorrow Only! More than 80% of participants testing their Omega-3 Index are below the recommended 8% Key Points More than 80% of our participants who measure...
How Toxic are GrassrootsHealth Participants: Mercury Levels, Updated 2023
Mercury is a highly toxic heavy metal that can collect in and cause damage to the body’s tissues, especially the brain; it can also cause selenium deficiency, leading to diseases such as thyroid disease…...
How Toxic are GrassrootsHealth Participants: Cadmium Levels, Updated 2023
Cadmium accumulates in the kidneys and thyroid gland, and can contribute to thyroid issues, infertility, uterine fibroids, and other reproductive tract diseases… are you being affected by cadmium toxicity? Key Points While the primary...