Folate Status Testing and the MTHFR Variant Context
Why MTHFR genetic testing often misleads patients about their folate status.
Solène Marchand-Rioux
Section
Nutrient Status
8 stories in Nutrient Status.
Zinc and Copper Balance in Blood Test Results
An elevated copper-to-zinc ratio signals hidden inflammation and predicts serious aging risks.
Solène Marchand-Rioux
When Supplement Use Distorts Nutrient Lab Results
Biotin and other supplements can mask heart attacks or fake thyroid disease in blood tests.
Marcus Osei-Bonsu
Omega-3 Index Testing and Cardiovascular Relevance
A simple blood test reveals omega-3 tissue levels tied to heart disease risk.
Priya Nandakumar
Vitamin B12 Deficiency in Serum Versus Active B12 Testing
Standard serum testing misses real deficiency by counting mostly unusable B12 bound to cells.
Solène Marchand-Rioux
Vitamin D 25-OH Test and Deficiency Thresholds
Conflicting thresholds and individual biology make a single vitamin D number unreliable.
Solène Marchand-Rioux
Optimal Ferritin Range for Energy and Iron Status
Reference ranges catch disease, not the ferritin level where your body actually performs well.
Solène Marchand-Rioux
Magnesium Deficiency and Why Serum Magnesium Misses It
Most body magnesium hides where blood tests cannot reach it.
Solène Marchand-Rioux