Vitamin D

Support for calcium balance, bones, and the immune system

Vitamin D plays an important role in regulating minerals in the body. It contributes to normal calcium levels in the blood and supports the absorption of calcium and phosphorus from food. Calcium and phosphorus are essential minerals for the development and maintenance of strong bones and teeth.

Additionally, Vitamin D helps maintain normal bones. It aids in bone formation and supports the maintenance of a strong skeleton throughout life.

Vitamin D also helps maintain the normal function of the immune system, meaning that it plays a role in the body's natural defense mechanisms.

Sources of Vitamin D

Vitamin D is found in limited amounts in foods. Good dietary sources include fatty fish such as salmon, mackerel, and herring, as well as liver, eggs, and fortified products like margarine and certain dairy products.

An important non-food source of Vitamin D is sunlight. The skin can produce Vitamin D under the influence of UV radiation. Factors such as skin type, age, season, and sunscreen use can affect production.

Forms and Absorption

Vitamin D exists in two forms: Vitamin D2 (ergocalciferol) and Vitamin D3 (cholecalciferol).

Vitamin D3 is produced in the skin and is primarily found in animal products.

Vitamin D2 is derived from plant sources, such as certain mushrooms.

Vitamin D3 is more efficiently absorbed and converted into the active form than Vitamin D2.

Because Vitamin D is a fat-soluble vitamin, absorption is improved when it is consumed with a fat-rich meal.

For optimal Vitamin D status, a combination of sunlight exposure and a varied diet with Vitamin D-rich foods is recommended.

synonyms for Vitamin D: Vitamin D, vitamin D2, vitamin D3, cholecalciferol and ergocalciferol.

Products with Vitamin D

Product Form Standard dosage
Vitamin D3 (as cholecalciferol) 125 μg per 1 softgels
Vitamin D3 (as cholecalciferol) 75 μg per 1.2 ml
Vitamin D3 (as cholecalciferol) 63 μg per 0.5 ml
Vitamin D3 (as cholecalciferol) 60 μg per 3 capsules
Vitamin D3 (as cholecalciferol) 60 μg per 3 capsules
Vitamin D3 (as cholecalciferol) 60 μg per 3 capsules
Vitamin D3 (cholecalciferol) 50 μg per 2 capsules
Vitamin D3 (as cholecalciferol) 50 μg per 0.04 ml
Vitamin D3 (as cholecalciferol) 25 μg per 2 capsules
Vitamin D (as cholecalciferol D3) 25 μg per 1 ml
Vitamin D3 (Cholecalciferol) 25 μg per 1 capsules
Vitamin D (as cholecalciferol (D3) from lichen) 20 μg per 10 grams
Vitamin D (as cholecalciferol (D3) from lichen) 20 μg per 10 grams
Vitamin D (as cholecalciferol (D3) from lichen) 20 μg per 10 grams
Vitamin D (as cholecalciferol) [VegD3®] 15 μg per 6 capsules
Vitamin D (as cholecalciferol) [VegD3®] 15 μg per 6 capsules
Vitamin D 10 μg per 5 ml
Vitamin D 3 μg per 3 softgels
Bulletproof Vitamins A-D-K
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 125 μg per 1 softgels
Cymbiotika Vitamin D3+K2+CoQ10
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 75 μg per 1.2 ml
Quicksilver Scientific Nanoemulsified D3K2
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 63 μg per 0.5 ml
BIOptimizers MassZymes (250 capsules)
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 60 μg per 3 capsules
BIOptimizers MassZymes (120 capsules)
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 60 μg per 3 capsules
BIOptimizers MassZymes (30 capsules)
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 60 μg per 3 capsules
GR-7 Complex Hair Support
Product
Form Vitamin D3 (cholecalciferol)
Standard dosage 50 μg per 2 capsules
Life Extension Liquid Vitamin D3
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 50 μg per 0.04 ml
NoordCode Everyday Essentials
Product
Form Vitamin D3 (as cholecalciferol)
Standard dosage 25 μg per 2 capsules
Quicksilver Scientific Nanoemulsified Cat's Claw Elite
Product
Form Vitamin D (as cholecalciferol D3)
Standard dosage 25 μg per 1 ml
WHC UnoCardio 1000
Product
Form Vitamin D3 (Cholecalciferol)
Standard dosage 25 μg per 1 capsules
NuZest Good Green Vitality (300 g)
Product
Form Vitamin D (as cholecalciferol (D3) from lichen)
Standard dosage 20 μg per 10 grams
NuZest Good Green Vitality (120 g)
Product
Form Vitamin D (as cholecalciferol (D3) from lichen)
Standard dosage 20 μg per 10 grams
NuZest Good Green Vitality (750 g)
Product
Form Vitamin D (as cholecalciferol (D3) from lichen)
Standard dosage 20 μg per 10 grams
Neurohacker Collective Qualia Mind 2.0
Product
Form Vitamin D (as cholecalciferol) [VegD3®]
Standard dosage 15 μg per 6 capsules
Neurohacker Collective Qualia Mind Caffeine Free 2.0
Product
Form Vitamin D (as cholecalciferol) [VegD3®]
Standard dosage 15 μg per 6 capsules
Cymbiotika Infant D3
Product
Form Vitamin D3 (cholecalciferol)
Standard dosage 10 μg per 0.5 ml
Rosita Extra-virgin cod liver oil
Product
Form Vitamin D
Standard dosage 10 μg per 5 ml
Rosita Extra-virgin cod liver oil softgels
Product
Form Vitamin D
Standard dosage 3 μg per 3 softgels