Vitamin D
Nutrients connected to Vitamin D
A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.
- Vitamin DEstablished role
Vitamin D status is checked with the 25-hydroxyvitamin D blood test. Ranges differ between sources and labs, and a clinician interprets the result.
- Button, cremini and portobello mushroomPreliminary or mixed
UV-exposed mushrooms may raise blood vitamin D similar to supplements per a scoping review; ordinary mushrooms contain almost none.
- Yellow foot (funnel chanterelle)Preliminary or mixed
A 1999 trial in 27 people with low blood vitamin D found sun-grown dried yellow foot raised 25-hydroxyvitamin D about as well as a D2 supplement. Small and short; vitamin D2 in wild mushrooms varies with sunlight.
- Immune Support FormulasPreliminary or mixed
In a pooled analysis, vitamin D helped most when blood levels were very low at the start.
- Bone Health FormulasPreliminary or mixed
The Cochrane review suggests vitamin D may reduce falls mainly in people whose levels were low to start with.
- PhosphorusEstablished role
Vitamin D helps the body use phosphate, and vitamin D deficiency can lead to low phosphate and soft bones. Interpret together with calcium and parathyroid hormone tests.
- Creatine GummiesDocumented risk
In the case report a mislabeled creatine product raised vitamin D to 1,910 nmol/L in a teenager. A one-off manufacturing error, not an expected effect of creatine.
- Gummies, Chewables and LozengesPreliminary or mixed
One crossover study of healthy adults found higher blood vitamin D3 after a single large gummy dose than after a tablet; one nutrient, one study.
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