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Jonathan Bortz MD
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X Fact - All Categories
B Vitamins
B12
B6
Choline
Clinical
Folate
History
Intrinsic Factor
Methylation
Personalized Nutrition
SNPs
Single Carbon
X Fact Top Picks
August 3, 2020
A More Accurate Way of Measuring Vitamin B12 Status than with a Vitamin B12 Blood Test
July 31, 2020
Can You Spot a Person with Vitamin B12 Deficiency at the Airport?
July 29, 2020
Is Measuring Blood Vitamin B12 Levels the Best Way to Test for Vitamin B12 Deficiency?
July 23, 2020
Can Gene Mutations Be Inherited and What Does This Have to Do With Nutrition?
Most Recent
August 3, 2020
A More Accurate Way of Measuring Vitamin B12 Status than with a Vitamin B12 Blood Test
July 31, 2020
Can You Spot a Person with Vitamin B12 Deficiency at the Airport?
July 29, 2020
Is Measuring Blood Vitamin B12 Levels the Best Way to Test for Vitamin B12 Deficiency?
July 24, 2020
How a Sandwich Spread Helped Scientists Discover the Cause & Treatment of Pernicious Anemia
July 23, 2020
Can Gene Mutations Be Inherited and What Does This Have to Do With Nutrition?
July 20, 2020
Why Demand for Choline Is So High in Pregnancy
July 15, 2020
How Scientists Discovered Intrinsic Factor and Its Vital Role in Vitamin B12 Absorption
July 14, 2020
What Are SNPs (Pronounced SNIPS) and Why Are They Important?
X Fact All Posts
August 3, 2020
A More Accurate Way of Measuring Vitamin B12 Status than with a Vitamin B12 Blood Test
June 23, 2020
Are There Nutrients Other than Choline That Contain Single Carbon Methyl Groups?
June 21, 2020
B vitamins Play a Key Role in Supplying Single Carbon Methyl Groups for Gene Expression
June 16, 2020
B12 is the Biggest and Most Complex Vitamin by Far
July 23, 2020
Can Gene Mutations Be Inherited and What Does This Have to Do With Nutrition?
July 31, 2020
Can You Spot a Person with Vitamin B12 Deficiency at the Airport?
June 17, 2020
Companies Use Bacteria to Produce Vitamin B12 as the Most Efficient Way to Produce Industrial Quantities for Human Use
June 30, 2020
Do You Know That What You Eat Can Control Whether Your Genes Do Their Job Properly?
July 10, 2020
Does Gastric Bypass Surgery Cause Lifelong Vitamin B12 Deficiency?
July 15, 2020
How Scientists Discovered Intrinsic Factor and Its Vital Role in Vitamin B12 Absorption
July 6, 2020
How Scientists Discovered That The Mysterious 'Extrinsic Factor' in Liver was Vitamin B12
June 18, 2020
How Spinach Came to Give Vitamin B9 Its Name - Folic Acid
July 24, 2020
How a Sandwich Spread Helped Scientists Discover the Cause & Treatment of Pernicious Anemia
June 26, 2020
How does a Big Molecule Like Vitamin B12 Get Absorbed from the Intestine?
July 29, 2020
Is Measuring Blood Vitamin B12 Levels the Best Way to Test for Vitamin B12 Deficiency?
June 18, 2020
Is There a Difference between Folate and Folic Acid?
June 29, 2020
Pernicious Anemia is the Name of the Anemia Caused by Severe Vitamin B12 Deficiency
June 19, 2020
Vitamin B12 is named after the rare earth metal at its center
June 25, 2020
Vitamin B12's Size Makes it Very Vulnerable to Being Destroyed by Gastric Acid
July 13, 2020
We Need to Understand the Basics of Genes to Understand Nutrition
July 14, 2020
What Are SNPs (Pronounced SNIPS) and Why Are They Important?
June 24, 2020
What Does the Color of Blood Have in Common With Vitamin B12?
June 22, 2020
What on Earth is a Methyl Group and Why do We Care?
July 20, 2020
Why Demand for Choline Is So High in Pregnancy
June 22, 2020
Why Its Important to Know the Molecular Structure of Choline
July 9, 2020
Why Vitamin B12 Deficiency Is Common in Vegans, Vegetarians and Ovo-Vegetarians
July 3, 2020
Why Vitamin B12 was Called 'Extrinsic Factor' by the Scientist Who Predicted That it Must Exist
Contributors
Jonathan Bortz MD
