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Nathan Goodyear

Vitamin D3 Is More Potent Than Vitamin D2 in Humans -- Heaney et al. 96 (3): E447 -- Jo... - 0 views

  • D3 is approximately 87% more potent in raising and maintaining serum 25(OH)D concentrations and produces 2- to 3-fold greater storage of vitamin D than does equimolar D2
  • D3 should be the preferred treatment option when correcting vitamin D deficiency
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    Vitamin D3 87% more potent than D2; D3 should be the treatment for vitamin d deficiency
Nathan Goodyear

Long-Term Bioavailability After a Single Oral or Intramuscular Administration of 600,00... - 0 views

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    This study is misleading.  Their conclusion is that D2 and D3 are equivalent in raising 25-OH vitamin D via po form preferentially over the IM form. However, when you look at the results, the response of D3 was statistically significant over that of D2.  That is the conclusion: vitamin D3 is the optimal form of vitamin D.
Nathan Goodyear

Bioavailability of Vitamin D2 and D3 in Healthy Volunteers, a Randomized Placebo-Contro... - 0 views

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    Vitamin D3 is better than D2.  Vitamin D3 replacement raised 25(OH)D, whereas vitamin D2 caused a decline in levels.
Nathan Goodyear

Cambridge Journals Online - Abstract - Effect of vitamin D supplementation during pregn... - 0 views

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    Vitamin D3 during pregnancy shown to have only positive effects on pregnancy.  Granted this is a small study with only 3 doses of small amounts of vitamin D3.  But still positive.
Nathan Goodyear

Effects of supplemental vitamin D and calcium on biomarkers of inflammation in colorect... - 0 views

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    Vitamin D3 shown to reduce CRP, TNF, IL-6, IL-1B, IL-8 in colorectal adenoma patients. This study supports the anti-inflammatory, anti-cancer benefits of vitamin D3.
Nathan Goodyear

Vitamin D3 Is More Potent Than Vitamin D2 in Human... [J Clin Endocrinol Metab. 2010] -... - 0 views

  • Given its greater potency and lower cost, D3 should be the preferred treatment option when correcting vitamin D deficiency.
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    Vitamin D3 better absorbed than D2: and should be the preferential treatment in vitamin D deficiency
Nathan Goodyear

Randomized trial of vitamin D supplementation to prevent seasonal influenza A in school... - 0 views

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    Nice study from a few years ago found that a low dose vitamin D3 (1200 IU) significantly reduced the relative risk of the flu in school age children.  Also of note, a significant reduction in asthma attacks in those children with asthma were significantly reduced in the vitamin D3 treated group.  One interesting thing about this study was that they did not check prior or during the study if vitamin D deficiency was even present.  This study was conducted in Japan
Nathan Goodyear

Vitamin D3 Is More Potent Than Vitamin D2 in Humans - 0 views

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    Vitamin D3 is more potent (87%) and just a better form than is vitamin D2.
Nathan Goodyear

Decreased bioavailability of vitamin D in obesity - 0 views

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    Obesity is associated with decreased vitamin D3 levels. One would think that an increase in surface area would increase Vitamin D levels, but actually, the increase in fat accumulates the fat soluble vitamin D3.
Nathan Goodyear

The Journal of Steroid Biochemistry and Molecular Biology | Vol 141, Pgs 1-170, (May 20... - 0 views

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    vitamin D3 associated with down regulation of most TLRs associated with inflammation.  Though, vitamin D3 did increase TLR-10.
Nathan Goodyear

1alpha,25-dihydroxyvitamin D3 interacts with curcu... [J Alzheimers Dis. 2009] - PubMed... - 0 views

  • 1,25D3 strongly stimulated Abeta phagocytosis and clearance while protecting against apoptosis
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    Vitamin D3 and Alzheimer's disease
Nathan Goodyear

Vitamin D3 Is More Potent Than Vitamin D2 in Humans - 0 views

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    vitamin D3 shown to be 87% more potent than vitamn D2
Nathan Goodyear

Vitamin D2 Is Much Less Effective than Vitamin D3 in Humans - 0 views

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    Vitamin D3 is more potent and longer acting than vitamin D2
Nathan Goodyear

Vitamin D supplementation for pre... [Cochrane Database Syst Rev. 2011] - PubMed - NCBI - 0 views

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    6% relative risk reduction in mortality with vitamin D3 vs. 2% relative risk increase with vitamin D2.
Nathan Goodyear

Sign In - 0 views

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    review of study that analyzed 94,000 people on vitamin D3 and D2.
Nathan Goodyear

Effects of vitamin D supplementation on gluco... [Am J Clin Nutr. 2013] - PubMed - NCBI - 0 views

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    Vitamin D3 replacement was found to decrease fasting glucose, decrease insulin, increase insulin sensitivity, and decrease total cholesterol and LDL in pregnant women with gestational diabetes.  The dosing here was 50,000 IU x 2 doses taken 3 weeks apart. 
Nathan Goodyear

Genomic and Nongenomic Signaling Induced by 1α,25(OH)2-Vitamin D3 Promotes th... - 0 views

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    Vitamin D3 clears amyloid plaque from the brains of those battling Alzheimer's disease.
Nathan Goodyear

Vitamin D3 enhances mood in healthy subjects durin... [Psychopharmacology (Berl). 1998]... - 0 views

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    Vitamin D3 enhances mood in healthy subjects during winter.
Nathan Goodyear

Effect of vitamin D supplement on depression scores in people with low levels of serum ... - 0 views

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    Low vitamin D levels associated with more depression; However, vitamin D3 treatment did not improve depression symptoms.
Nathan Goodyear

20S-hydroxyvitamin D3, noncalcemic product of CYP11A1 action on vitamin D3, exhibits po... - 0 views

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    vitamin D decreased fibrogenesis in invivo mouse model of scleroderma.
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