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Vitamin D
Established research area
A fat-soluble vitamin made in skin with sunlight and found in oily fish. Well established for bone health; often discussed with mood and energy.
Often discussed in relation to
Commonly noted
- Commonly noted
- Vitamin D supports calcium absorption and normal bone maintenance, and is produced in the skin on sun exposure.
- Low intake
- Low vitamin D status is commonly discussed in relation to bone strength and mood.
- Higher intake
- Very high vitamin D from supplements is commonly discussed in relation to raised blood calcium; this is not associated with sun exposure or food sources.
Source: NIH ODS
Reference intakes
General reference figures for a typical adult — not a personal target or a claim of need.
- rda · adult15 mcgDRI/NASEM
- ul · adult100 mcgDRI/NASEM
Commonly found in
Prenatal vitamin
Katsuobushi (dried bonito flakes)Cod liver oilMultivitaminEelTroutTunaCatfishVitamin D (supplement)
Fortified yogurt (with vitamin D)
MushroomsSalmonHalibutCaviar (fish roe)
Breakfast cereal (fortified)
Duck eggEggsAlmond milkVitamin K2 (supplement)Vitamin D3 + K2 (supplement)MilkOat milkHerringCalcium (supplement)SardinesMackerel
Katsuobushi (dried bonito flakes)Cod liver oilMultivitaminEelTroutTunaCatfishVitamin D (supplement)Fortified yogurt (with vitamin D)MushroomsSalmonHalibutCaviar (fish roe)Breakfast cereal (fortified)Duck eggEggsAlmond milkVitamin K2 (supplement)Vitamin D3 + K2 (supplement)MilkOat milkHerringCalcium (supplement)SardinesMackerelWorth knowing
Fat-soluble and can accumulate: very high supplemental doses can be harmful. Testing and professional guidance help with dosing.
Feelments is for personal tracking and general wellness education. It does not provide medical advice, diagnosis, or treatment.