Video discusses vitamin d3 and the government recommended amounts (USDA)…Is that enough or not?… more →
Vitaminddoc's BlogMarc Sorenson wrote 10 months ago: Video discusses vitamin d3 and the government recommended amounts (USDA)…Is that enough or not … more →
Marc Sorenson wrote 10 months ago: Seasonal affective disorder (SAD) is a type of winter-time depression experienced by people those wh … more →
Marc Sorenson wrote 11 months ago: Dr William Grant, who writes and compiles research as fast as I can read it, gave me a tremendous as … more →
Marc Sorenson wrote 11 months ago: When I first started advising people to have their blood levels of vitamin D tested [25(OH)D or calc … more →
Marc Sorenson wrote 11 months ago: There was an uproar recently about a study indicating that vitamin D supplementation had no affect o … more →
Marc Sorenson wrote 11 months ago: Vitamin D boosts the immune system and enhances the body’s ability to kill bacteria or viruses—inter … more →
Marc Sorenson wrote 12 months ago: In spite of numerous studies that demonstrate a profound reduction in risk of cancer with increased … more →