Who can benefit from taking vitamin D supplements?

Certain groups should pay special attention to their vitamin D intake. Older adults, for example – as skin loses up to 50% of its ability to produce vitamin D with age. If you rarely get outside during peak sun hours, your body might not make enough on its own. People with darker skin tones also produce less vitamin D, putting them at greater risk of deficiency – especially in Central and Northern Europe. Pregnant and breastfeeding individuals need extra support to ensure a healthy supply for both parent and child. And for infants, whose skin should be kept out of direct sunlight, a vitamin D supplement is a definite must-have.Not sure if your vitamin D levels are sufficient? A simple blood test can give you clarity.

What’s the difference between vitamin D and vitamin D3?

Vitamin D isn’t just one nutrient – it’s a whole family of fat-soluble compounds known as calciferols. Within this group, vitamin D3 (cholecalciferol) plays the leading role – it’s the most effective form your body can actually use.

Which vitamin D supplements do we recommend?

For your daily needs, we recommend BIOGENA Vitamin D 2000 DUO – a practical, easy-to-dose option. Prefer something flexible? Vitamin D3 drops are smooth and simple to take. Looking for a plant-based source? Vitamin D3 2000 vegan is derived from lichen. For high-dose weekly support, try Vitamin D3 15,000. And for a bone-focused combo, Vitamin D3 & K2 is your go-to duo.

Is it useful to combine vitamin D with vitamin K?

Vitamin D3 and K2 – a true dream team! Studies have confirmed their synergistic effects time and again. That’s why BIOGENA brings them together in one powerful product: Vitamin D3 & K2. While vitamin D supports calcium balance, vitamin K helps direct that calcium to where it’s needed – your bones. Bonus: vitamin K also contributes to normal blood clotting. A smart combo for your daily nutrient routine!

When should you take vitamin D without K2?

In some cases, taking vitamin D on its own makes more sense – for example, if your personal need for vitamin K2 is low, you’re on blood-thinning medications, or you have certain kidney conditions. For lower vitamin D dosages or specific therapeutic goals, a separate intake may be the better option. Not sure what’s right for you? It’s always best to check in with your doctor.

Can you take omega-3 and vitamin D together?

Absolutely – omega-3 fatty acids and vitamin D are a perfect match! They support your health in different ways and don’t interfere with each other. In fact, taking vitamin D with a fat source like omega-3 can even improve absorption. A smart combo for your daily wellness.

How well does the body absorb synthetic vitamins?

In most cases (with exceptions like folic acid), the vitamins in supplements are chemically identical to those in food. That means your body absorbs and uses them just as efficiently.

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Vitamin D supplements

Whether you prefer drops, capsules, a vegan formula, or a high-dose weekly option – your perfect vitamin D is right here! Find the format that fits your lifestyle and keep your levels on point all year round.

9 results

Filters & sorting

Bestseller
Biogena Essentials
Vitamin D3 drops
Pure Vitamin D3 with high-quality Sunflower Oil – in easy-to-use drops
€19.90
Biogena Essentials
Junior Vitamin D3 drops
Vitamin D for children – neutral in taste, easy to dose & for the immune system*
€13.90
Biogena Exceptionals
Vitamin D 2000 DUO Gold
Your smart sunshine vitamin duo with vitamin D3 & linseed oil
€25.90
Biogena Essentials
Vitamin D3 2,000 vegan
Vegan vitamin D3 from lichen - supports the immune system, bones & muscles daily.
€45.90
Biogena Essentials
Vitamin D3 15,000 IU
High strength vitamin D capsules for your weekly supplementation routine
€36.90
Biogena Essentials
Vitamin D3 & K2 1.000 I.U.
Premium Vitamin D3 K2 capsules for the maintenance of normal bones
€50.90
Biogena Essentials
Vitamin D3 & K2 drops
High-Dose Vitamin D3 & K2 Drops – perfectly balanced in a smart 2:1 blend
€23.90
Biogena Essentials
Marie IMMUN®
Vitamin D with the added benefit of vitamin K2 and magnesium
€63.90
Biogena Sports
D3 & K2 liquid
Vitamin D3 & K2 liquid: Your daily support - for bones, muscles and immune system
€25.90

High-quality vitamin D supplements from BIOGENA

Vitamin D is a hot topic – and for good reason. Studies suggest that many people could benefit from targeted vitamin D supplementation. But with so many products out there, making the right choice isn’t always easy. That’s where we come in: At BIOGENA, our vitamin D supplements combine premium ingredients, top-tier quality, and dosing options tailored to your personal needs.

Vitamin D products: Which format fits your lifestyle?

Whether it’s capsules, drops, or a high-dose weekly option – vitamin D comes in many forms. But which one is right for you?

Vitamin D tablets & capsules: Ideal for easy intake. Especially practical: High-dose Vitamin D capsules are suitable for weekly supplementation – a smart alternative to daily intake.
Vitamin D drops Vitamin D Drops: Perfect for those who prefer not to swallow capsules. Our drops are flavorless and come without unnecessary additives like palm oil.
Vitamin D for children: The liquid form is especially popular among children. Our Junior Vitamin D3 is specifically tailored for little ones.

Why choose BIOGENA Vitamin D supplements?

Not all Vitamin D products are the same. At BIOGENA, we focus on the pure substance principle– no unnecessary additives, the highest quality, and the best tolerability. Our Vitamin D tablets and capsules are produced to the highest manufacturing standards and are designed for optimal bioavailability – for example, through the innovative NutriGellets® technology or by combining with valuable flaxseed oil and Magnesium as a cofactor for Vitamin D metabolism.

For vegetarians and vegans, we offer Vitamin D from a purely plant-based source: Lichens provide a high-quality, natural alternative for your daily supply of the sunshine vitamin.

Discover our vegan vitamin D3

Vitamin D & K2: The power duo for your bones

Vitamin D is essential for calcium metabolism and helps maintain normal bones. But vitamin K is just as important – it ensures that calcium gets to where it’s needed most: your bones. That’s why we offer specially formulated vitamin D3 & K2 combinations – for strong teamwork when it comes to supporting your bone health.

How to take vitamin D the right way

To help your body get the most out of your vitamin D supplement, always take it with a meal. Why? Because vitamin D is fat-soluble – and it’s best absorbed when paired with healthy dietary fats.

Sunlight & vitamin D: The 3 essentials for staying topped up

In addition to taking a high-quality supplement, there’s one natural source of the sunshine vitamin you shouldn’t forget: the sun itself. But how does your body actually produce vitamin D on its own?

Learn more about vitamin D & sunlight All you need to know about Vitamin D

Time to find your perfect vitamin D match

Everyone’s needs are different – that’s why we offer a wide range of vitamin D options. Drops, capsules, or combined with K2 – discover the format that fits your routine and goals.

	Vitamin D3 drops	Junior Vitamin D3 drops	Vitamin D 2000 DUO Gold	Vitamin D3 2,000 vegan	Vitamin D3 15,000 IU
Price	€19.90	€13.90	€25.90	€45.90	€36.90
Info	Pure vitamin D3 –the classic choice for daily use	Vitamin D3 drops in a child-friendly dosage	Highly concentrated vitamin D3 plus virgin linseed oil in NutriGellets®	Vegan vitamin D3 alternative	High-dose vitamin D3
Properties	Individually dosable thanks to its liquid form For people who have difficulty swallowing or anyone who does not like swallowing capsules	Ideal for children: drop form & lower dosage	In capsule form Classic product in improved dosage for particularly good absorption	In capsule form Vegan: for those who want to eat an exclusively plant-based diet	High-dose: take just once a week: perfect for anyone who likes to keep things simple
Contents	25 µg (1000 IU) D3 per drop Carrier oil: sunflower	10 µg (400 IU) per drop Carrier oil: coconut	50 µg (2000 IU) D3 per capsule In NutriGellets® form with linseed oil Plus lutein	50 µg (2000 IU) D3 from lichen per capsule	375 µg (15,000 IU) of vitamin D3 per capsule
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	Vitamin D3 & K2 1.000 I.U.	Vitamin D3 & K2 drops	D3 & K2 liquid
Price	€50.90	€23.90	€25.90
Info	Duo preparation with vitamin K2 in capsule form	Duo preparation with vitamin K2 in drop form	Liquid vitamin D3 & K2 specially developed for athletes
Properties	In capsule form The power duo for bones	In liquid form Ideal for people with swallowing difficulties or anyone who does not like swallowing capsules Less effort thanks to high dosage per drop: only needs to be taken every 5 days	In drop form For people who prefer drops Product of the Cologne List®
Contents	25 µg (1000 IU) vitamin D3 per capsule 75 µg K2 as menaquinone-7 (branded raw material K2VITAL®) per capsule With added linseed oil & lutein	125 µg (5000 IU) vitamin D3 per drop 62.5 µg K2 as menaquinone-7 (branded raw material K2VITAL®) per drop Recommended intake: 1 drop every 5 days Carrier oil: MCT from coconut oil	50 µg (2000 IU) D3 per drop 25 µg K2 as menaquinone-7 (branded raw material K2VITAL®) per drop Carrier oil: MCT from coconut oil
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Explore your ideal vitamin D product now and support your health all year round!

FAQs

Frequently asked questions about vitamin D supplements

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