USING HPDI FOUNDATIONAL SUPPLEMENTS
Fred Liers, PhD
HPDI foundational supplements are designed to provide a complete range of essential nutrients that complement a healthy diet…
Browsing Category
Vitamin D
21 posts
FOUNDATIONAL SUPPLEMENTS REMAIN FUNDAMENTAL
I spoke with an old friend recently. I will call him Joe. Joe has digestive tract issues, including extreme diverticulosis. While I…
Frequently Asked Questions About Our Products
Hank Liers, PhD
We frequently receive questions about our products and share the answers with you on our blog. If you have questions please…
A QUESTION ABOUT THE PURITY OF FISH LIVER OIL IN VITAMIN D3 PLUS
I often receive questions about various HPDI products. This month, I want to answer a question I got…
Risk Factors Associated with Vitamin D Deficiency in Children
Hank Liers, PhD and Fred Liers, PhD
A new study published in the Journal of Nutrition presents findings that identify risk factors associated with vitamin D deficiency…