Vitamin D

Vitamin D is a fat-soluble vitamin produced in the skin on exposure to ultraviolet B (UVB) sunlight, and also obtained in small quantities from dietary sources such as oily fish, eggs, and fortified foods. In the UK and other northern latitudes, UVB levels are insufficient for skin synthesis during autumn and winter months, making supplementation a widely used and recommended option. Vitamin D supplements are available in two principal forms: D3 (cholecalciferol), derived from animal sources or lichen (for vegan products), and D2 (ergocalciferol), which is plant-derived. D3 is the more commonly supplemented form. Products in this collection are available across a wide range of strengths from 400 IU (10mcg) through to 50,000 IU (1,250mcg), in capsule, tablet, softgel, liquid drop, and oral spray formats. Vitamin D3 is also available in combination with vitamin K2 (as MK-7, menaquinone-7), in capsule, liquid drop, spray, and liposomal formats, from brands including Cytoplan, Metagenics, Good Health Naturally, Lipolife, and HINNAO Technology. Standalone vitamin D3 products are available from Pure Encapsulations, Solgar, Natures Aid, Lamberts, Health Aid, Huxley Europe, BetterYou, Pharma Nord, Biogena, Viridian, and Higher Nature.

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Together Health Vitamin D3 Natural Plant Source 30's
£7.25
Together Health’s vegan, plant-based Vitamin D3 is from lichen. The lichen is sustainably sourced from North America, where it thrives in remote, cool, mountainous climates with pure, clean air. It’s...
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New Roots Herbal Vitamin D3 4000iu Liquid 15ml
£28.75
A food supplement consisting of Vitamin D3 (cholecalciferol) containing 100 mcg (4000 IU) per drop. Vitamin D contributes to the maintenance of normal bones, muscle function and teeth, and to...
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ITL Health Vitamin D Plus 60's
£18.95
Vital contains Vitamin D3 (lichen), B12 (methylcobalamin), K2 and Magnesium bisglycinate. Vitamin D needs magnesium to be metabolized in the body. Magnesium and vitamin B12 contribute to the reduction of...
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BetterYou Vitamin D 1000 IU Daily Oral Spray 15ml
£7.75
BetterYou™ Vitamin D 1000 is a convenient daily oral vitamin D spray. Specially formulated to deliver vitamin D directly into the bloodstream bypassing the digestive system. The plume of tiny...
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Life Armour drops of Vitamin D & bone health 30ml
£20.95
This high strength daily liquid supplement supports a healthy immune system, healthy bones and overall wellbeing. Each 1ml serving contains 1000iu Vitamin D3 and 75mcg Vitamin K combined with a...
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Goldman Laboratories Vitamin D Complex 60's
£33.45
High absorption and liposomal encapsulation complex with vitamin D, K and C. Vitamin D contributes to: normal absorption of calcium and phosphorus, maintaining bones, dentition, muscle function and the immune...
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Health Aid Vitamin D3 5000iu 30's
£8.75
Vitamin D3 is a fat soluble vitamin that contributes to the normal function of the immune system, absorption/utilisation of Calcium and Phosphorous, maintenance of strong bones & teeth, normal muscle...
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Pharma Nord D-Pearls 800 Bio-Vitamin D3 90's
£6.95
Vitamin D3 contributes to immunity, muscle function and the maintenance of teeth and bones. Bio-Vitamin D3 are dissolved in cold-pressed olive oil and in small, easy-to-swallow pearls. Bio-Vitamin D3 uses...
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Omega Quant Vitamin D Test Kit
£48.45
The Vitamin D test measures the total amount of vitamin D in your blood (equivalent to 25-hydroxyvitamin D2 & D3 in plasma) using the gold standard LC-MS/MS method. A desirable...
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Vitamin D3 + K2 Drops - 30ml | Seeking Health
£31.25
Vitamin D3+K2 Drops is a targeted formula containing 12.5 mcg (500IU) of vitamin D3 and 50 mcg of vitamin K2 in a convenient liquid format.Are you taking calcium for bone...
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Thorne Research Vitamin D/K2 Liquid 30ml
£46.00
Both vitamin D and vitamin K contribute to the maintenance of normal bones. Vitamin D also contributes to the normal function of the immune system and plays a role in...
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BioCare Vitamin D3 4000iu 30s
£19.45
High strength vegan vitamin D3, providing 4000iu vitamin D per capsule for immune and bone support.
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Solgar Vitamin D3 400iu (10ug) 100 Softgels
£9.25
Vitamin D3 400 IU (10 μg) softgels is a premium formula delivering vitamin D in the form that is easiest to use by the body – D3. Supporting optimal wellbeing,...
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Natures Aid Vitamin D3 (Daily Strength) 400iu 90's
£5.75
Natures Aid® Vitamin D3 contributes to the maintenance of normal bones, teeth and muscle function.
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Vitamin D-3 Cream - 118 ml. | NOW Foods
£8.75
- 1,000 IU per gram- Intense Moisture- Nourishes Skin- High Potency Vitamin D-3- Paraben FreeCondition: Dry skin in need of intense daily moisture to renew and maintain a healthy water/oil...
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Viridian Vitamin D3 & K2 Liquid 50ml
£23.75
High potency vitamin D3 and K2 blend, captured in a convenient and easy to use liquid. This format allows for dosage flexibility, can be added to smoothies or taken directly...
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Metagenics Vitamin D3 Drops 1000iu 30ml (Formerly Nutri Adv. NUT-3400)
£17.25
Vitamin D3 Drops is an emulsified liquid vitamin D formula that allows convenient, flexible dosing. Each single drop provides 1000iu of the preferred form of vitamin D, cholecalciferol.
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Vitamin D3 Drops - 30ml | Seeking Health
£27.25
Vitamin D3 Drops provide a potent 50 mcg (2,000 IU) dose of the active form of vitamin D3 per single droplet.This liquid vitamin D3 supplement is delivered in a pure...
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Viridian Vitamin D3 2000iu 150s
£36.75
Vitamin D contributes to the maintenance of normal bones, teeth, muscle function and immune function. Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus.
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BioCare Vitamin D3 1000iu 60s
£14.25
High potency vegan vitamin D3, providing 1000iu vitamin D per capsule for immune and bone support.
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Vitamin D3 50,000 IU - 50 Softgels | Protocol for Life Balance
£26.75
The major biologic function of vitamin D is to maintain healthy blood levels of calcium and phosphorus. Vitamin D supports bone health by promoting calcium absorption and bone mineralization. Vitamin...
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Pure Encapsulations Vitamin D3 (Vegan) 2,000IU 120s
£33.25
Vitamin D3 (vegan) 2000 IU (50 ug) provides pure vitamin D as D3, the preferred form of vitamin D. Vitamin D contributes to the maintenance of normal muscle function and...
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Nutrivital Liposomal Vitamin D3, K2 & Magnesium 30s
£23.75
D3 helps with regular absorption of calcium from food and a normal blood calcium level. It also aids the process of cell renewal and supports the body’s immune system. K2...
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Thorne Research Vitamin D Liquid 30ml
£30.00
Vitamin D contributes to the maintenance of normal bones and teeth, normal function of the immune system, normal muscle function, normal absorption/utilisation of calcium and plays a role in the...
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the Good guru Vegan Vitamin D3+K2 90s
£18.95
This combination ensures that the calcium mobilised by vitamin D is directed to the bones, not the soft tissues and blood vessels.
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Natures Aid Mini Drops Vitamin D3 50ml
£7.75
Natures Aid Award-Winning Vitamin D3 drops have been designed specifically for breastfed babies, infants and children. Vitamin D is an essential vitamin that helps your body absorb calcium for strong,...
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Health Aid Vitamin D3 1000iu 30's
£7.25
Vitamin D3 is a fat soluble vitamin that contributes to the normal function of the immune system, absorption/utilisation of Calcium and Phosphorous, maintenance of strong bones & teeth, normal muscle...
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NaturesPlus Source of Life Garden Vitamin D3 63ug (2500iu) 60s
£13.75
Natures Plus Source of Life Garden Vitamin D3 2500 IU is the first vegan cholecalciferol of 100% plant-source and algae.
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Solgar Vitamin D3 (Cholecalciferol) 1000iu (25ug) 180 Tablets
£16.25
Vitamin D3 (Cholecalciferol) 1000 IU (25 µg) is a premium formula delivering vitamin D in the form that is easiest to use by the body – D3. Supporting optimal wellbeing,...
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BetterYou Vitamin D 400IU Junior Daily Oral Spray 15ml
£7.25
BetterYou™ Vitamin D Junior Oral Spray is specially formulated for children over 3 years. The oral spray delivers this vital vitamin directly into the bloodstream, bypassing the digestive system. The...
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