Vitamin D: how to take? The big income guide

So, are you already taking vitamin D? And if so, how? There are still many myths surrounding the topic.Vitamin D – how to take it?"And many people don't really know what's important when taking it. That's exactly what Vetain is for. In this guide, we'll explain how to take your vitamin D supplement and why the usual advice for supplements (simply take it with a glass of water) doesn't work here."
You will also learn which other supplements you can combine with vitamin D.

Your knowledge to go: Vitamin D | How to take it?

• You can take vitamin D to any time of day Taking it in the morning is particularly common.

• It is important to have vitamin D to a fatty meal to take – this can be a main meal or a snack.

• The Duration of intake It depends on your needs and the specific product. Low-dose supplements can often be taken long-term.

• Vitamin D drops are pleasant to take for many.

Vitamin D intake: morning or evening?

Let's start off relaxed. It doesn't matter at all whether you have vitamin D. morning or evening, or even midday you take it. The time of day doesn't have a major influence – so you can simply try out which time suits you best.
Many people like to take it in the morning with breakfast or at lunchtime, as this helps them establish a consistent supplement routine. It also makes it easy to take it later in the day if you forget.
If you currently take vitamin D in the evening and notice that it negatively affects your evening routine, you can easily switch to taking it in the morning or at midday.

What's really important, though, is that you take your supplement with a meal. More on that in the next section.

Vetain's tip: Vitamin D | How to take it? The right time to take it.
You can take vitamin D supplements at any time of day – the only important thing is to take them with a meal.

Best tips: Vitamin D | How to take it?

With food, on an empty stomach, or just with water? "How to take vitamin D?" is one of the most frequently asked questions about dietary supplements. We've got the answers!

Since vitamin D is a fat-soluble vitamin, supplements should always be taken in a fat-soluble form. to a fatty meal take them. Don't worry, you don't have to eat hyper-fatty burgers or fries. & Co-eating – one is enough normal, balanced meal. It contains enough fat to ensure that the vitamin D can be properly absorbed and utilized by the body.
Examples:

• You can get vitamin D from a bowl Pasta with Veggie Bolognese take.

• You can get vitamin D with nuts take.

• You can get vitamin D with a Porridge combine.

• You can get vitamin D with summer rolls take.

• You can get vitamin D with yogurt Take it – feel free to combine it with fresh fruit, nut butters or other toppings.

As you can see, it's very easy to take vitamin D with food.

One Exception are preparations that already contain fat (z.B. (as a carrier oil). In this case, the fat it contains can already contribute to absorption. However, it certainly doesn't hurt to take vitamin D with a meal.Depending on the supplement's fat content, this can improve absorption. Such products are recommended if you want to take vitamin D on an empty stomach.

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Vetain's tip: Vitamin D | How to take it? Tips for taking it
It's best to take your vitamin D supplement with a fatty meal. An exception is vitamin D drops (or other preparations like vitamin D capsules), which already contain fat.

Duration of intake

Once the question "Vitamin D: How to take it?" has been answered, the next step for many is to figure out how long they need to take the pills.
Unfortunately, that's not so easy to answer, as it's very individually is:

• Low-dose vitamin D supplements (20 µg or 800 IU per day) can theoretically permanently taken as a supplement. However, if you spend a lot of time outdoors in the midday sun during the summer and feel you are getting enough vitamin D even without supplements (you can find a self-check here: What is vitamin D good for – plus a self-test), you can also extend the supplementation to autumn, spring & Restrict winter.

• High-dose preparations, Those exceeding the usual dosage should not be taken without medical advice. not long-term These supplements should not be taken too frequently, as there is a risk of overdose. You should use them as a short course.

• If you have been diagnosed with a vitamin D deficiency and perhaps even prescribed a supplement by your doctor, you should discuss this question with your doctor. Often directs The duration of the supplementation is determined here. according to your current vitamin D level.

The most popular is the Vitamin D intake in winter – During the colder months, the question of how to take vitamin D is therefore asked more frequently. You can read why this is the case here: Vitamin D in winter.

In general, it is always advisable to have your vitamin D levels tested by a doctor and to adjust your supplementation accordingly.

Vetain's tip: Vitamin D | How to take it? Duration of intake
How long you should take vitamin D is individual and depends on your needs and the specific supplement. Often, low-dose vitamin D supplements can be taken year-round. Different guidelines apply to higher-dose supplements used to specifically treat a deficiency – in this case, you should consult a healthcare professional.

How often should I take vitamin D?

How often you need to take your vitamin D supplement depends on the specific product. There are different forms available:

• Supplements that daily be taken like the Vitamin D drops from Vetain

• Supplements that weekly be taken

• Supplements that monthly be taken

Not sure what applies to your supplement? Just check the packaging. There you'll find information like "How to take vitamin D?"

The three types differ in several ways. Most importantly, of course, the dosage is different – ​​obviously.Because if you only take a supplement once a week or once a month, it naturally needs to contain more vitamin D than a supplement taken daily. Otherwise, you wouldn't reach the recommended dose. Does this mean that weekly or monthly supplements are better because they deliver a much larger amount of vitamin D all at once?
No, not necessarily. Generally speaking, monthly and daily supplements usually provide the same amount of vitamin D per day. Furthermore, monthly supplements... & Weekly dosing intervals can cause some problems – we'll look at those in the next section. But first, a brief summary of this chapter:

Vetain's tip: Vitamin D | How to take it? Frequency
How often you need to take your supplement depends on the type of supplement. Most people use supplements that need to be taken once a day. You can find this information on the packaging of your product.

What is better: daily, weekly, or monthly?

• Overdose: Studies show that taking extremely high doses at once can lead to such high levels of vitamin D in the blood that there is a health risk.

• Intake errors: If you take it daily, it's not too dramatic if you miss a dose or accidentally take your vitamin D drops twice a day (though ideally, this shouldn't happen!). However, if you miss a weekly or monthly dose, it will significantly impact your vitamin D levels. It becomes even more dangerous if you accidentally take a double dose – then there is an acute risk of overdose.

• planning: If you take a supplement daily, it eventually becomes routine. With weekly intake or supplementation every 20 days, it's more difficult to keep track.

• effectiveness: Some studies suggest that daily intake is more effective than less frequent but larger doses – however, this has not yet been confirmed by the EFSA.

It certainly sounds great to only have to take a supplement once a month instead of a pill every day. However, dietary supplements aren't meant to be fun and convenient.

If your doctor has given you a different recommendation, that's perfectly fine. We're just passing on general information here – other arrangements may make sense in individual cases!

Vitamin D dosage & Overdose

When you start looking into the question "Vitamin D | How to take it?", sooner or later you will also come to the question of how much vitamin D you should take per day and how much is TOO much vitamin D.
The usual recommended dose* According to professional societies such as the DGE, the recommended value for healthy adults is... 20 µg per day. That corresponds to 800 IU.
A dose of up to 100 µg per day is considered safe. This value is called the tolerable upper intake level (THI). Upper Intake Level). This is the amount of vitamin D that a healthy adult can take daily, for their entire life, without having to fear any health risks.

The number of capsules, tablets, or drops this corresponds to can vary from supplement to supplement. Vetains Vitamin D Drops With just 1 drop, you get your daily dose.

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Disclaimer: If you consume significantly more than the recommended or safe dose over a long period, you may experience a vitamin D overdose. This can have serious health consequences – therefore, please pay attention to yourself and your body and adhere to the recommended intake.

Vetain's tip: Vitamin D | How to take it? The correct dosage
Recommended amount: 20 µg per day (= 800 IU)
Safe amount: up to 100 µg per day

Combinations with vitamin D

Many people take not only vitamin D, but also other supplements like zinc or calcium. Is it safe to combine these supplements? Let's take a look at the most common combinations:

You can find a detailed overview in the article: Which dietary supplements should not be taken together?

Vetain's tip: Vitamin D | How to take it? Combination with other vitamins & minerals
You can take vitamin D along with many other dietary supplements. The combination with vitamin K2 is particularly popular.

Conclusion: How to take vitamin D?

Hopefully, this guide has answered all your questions about how to take vitamin D. And hopefully, you've realized how easy and straightforward taking vitamin D can be. In my opinion, vitamin D drops are particularly easy – and surprise, surprise, we have just those in stock in our shop! ;)

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And if you haven't taken your vitamin D today, now is the perfect time! If you'd like to read on, you can find out more in our next article. Which foods contain vitamin D? or Test whether vitamin D drops or tablets are better suited to you..

Do you have any questions? Then feel free to write me a message. Mail - I look forward to hearing from you! :)

The information shared in this article does not replace individual medical or nutritional advice.

literature & Sources

1. BfR (Federal Institute for Risk Assessment) (2025). Taking high single doses of vitamin D via dietary supplements at intervals of days or weeks poses health risks: Updated opinion no. 031/2025 of the BfR dated September 3, 2025.

2. BfR (Federal Institute for Risk Assessment) (2020). Vitamin D: Taking high-dose supplements is unnecessary: ​​BfR Opinion No. 035/2020 of July 31, 2020.

3. DGE (o.J. ). Vitamin D. https://www.dge.de/wissenschaft/referenzwerte/vitamin-d/

4. Frimmer, V. et al. (2025). Who should take vitamin D? In: Deutsches Ärzteblatt, 122(6).

*This applies in the absence of endogenous synthesis.

Vitamin D3 drops (vegan)

✓ Vegan
✓ Easy to take
✓ Only 2 cents/day

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