Advancing the science of micronutrient policy.
The word “organic” on a milk carton carries a clean implication. Consumers pay a premium for the idea that nothing synthetic has touched the product, that the cow ate what cows evolved to eat, and…
Most researchers designing a vitamin D prevalence study still anchor the protocol to a single number — usually <20…
Most vitamin D health claim dossiers fail. EFSA has evaluated over 2,300 health claim applications since the adoption…
Here is the nutritional industry's favorite script: take 5,000 IU of cholecalciferol, watch serum 25-hydroxyvitamin D…
Vitamin D fortification can fail long before a consumer opens the package. The nutrient may be present in the…
Routine vitamin D testing in nursing homes is often treated as a basic quality-control measure. A resident enters…
Most national nutrition surveys treat vitamin D the way they treat sodium or fibre: ask what people ate, multiply the…
When vitamin D status is poor, the intestine may absorb only 10–15% of the calcium presented in food. Across more…
A standard wheat bread bake cycle at 200–210 °C for 30 minutes destroys 15% to 20% of the cholecalciferol activity…
The advice circulates with the confidence of folk wisdom: darker-skinned individuals struggling with low vitamin D…
Walk into any supermarket from Toronto to Turku and you will find the same quiet architecture of public health at work…
A cholecalciferol bioavailability trial can fail before the first dose is administered. The most common failure is not…
Vitamin D monitoring methods by demographic cannot be chosen responsibly from a single universal testing menu. The same…
Vitamin D fortification is controlled by a narrow safety margin. The regulatory problem is not simply how much vitamin…
Walk into any pharmacy and you will find the same pitch on the shelf: a single 50,000 IU or even 100,000 IU vitamin D…
The difference between a fortified dairy product that carries vitamin D3 reliably and one that loses part of its…
Vitamin D stability in fortified milk processing is governed less by pasteurization temperature than by distribution…
Vitamin D deficiency is often treated as if the main question were simply how many international units a person…
A vitamin D blood test is not a static measurement. Serum 25-hydroxyvitamin D [25(OH)D] changes across the year in…
"Adding vitamin D to food is straightforward," the supplement industry insists. Drop it into milk, watch the deficiency…