VitaminD3Agil
Your daily dose of sun

Unterstützung des Immunsystems & Erhaltung einer normalen Muskelfunktion

Inhalt: 90 Kapseln - 0,17€ pro Kapsel

Dauer: 3 Monats-Ration

Vegan

Recycle ・ Reuse ・ Reduce: Unsere Aluminiumdosen schonen Ressourcen: Sie sind leicht, zu 100% recycelbar und tragen zur Reduktion von Energieverbrauch und CO2-Emissionen bei der Produktion bei.
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VitaminD3Agil
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1. Optimal vitamin D supply
VitaminD3Agil provides high-quality cholecalciferol in a well-thought-out formulation that supports optimal absorption in the body. As an essential vitamin, it contributes to the normal function of the immune system, the maintenance of healthy bones and muscles, and a balanced sense of well-being - ideal for anyone who wants to specifically support their vitamin D supply.
2. With natural sage extract for well-being
Sage has been valued for its valuable properties for centuries. In C+ZinkAgil, the high-quality sage extract perfectly complements the formula and brings natural plant power into your daily supply - for a good feeling, day after day.
3. BioPerine® - High bioavailability
BioPerine® is a patented black pepper extract with a high piperine content that improves the bioavailability of numerous nutrients. It can significantly increase the absorption of vitamins, minerals and plant extracts in the body, allowing them to have the best possible effect. BioPerine® also supports digestion and metabolism , making it a valuable component of high-quality nutritional supplements. A small but powerful raw material for maximum efficiency!
4. Recyclable aluminum cans | Reduce・Reuse・Recycle
We package our nutritional supplements in high-quality aluminum cans because aluminum conserves natural resources. It is not only particularly light, but also up to 100% recyclable and reduces energy consumption and CO2 emissions during packaging production. We have taken care to use the smallest possible can size so as not to waste material unnecessarily. This is also filled to the brim.
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Vitamin D
Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus. Vitamin D thus contributes to a normal calcium blood level. Vitamin D thus supports the maintenance of normal bones and teeth as well as the maintenance of normal muscle function. Vitamin D also contributes to normal cell division and the normal functioning of the immune system. -
Black Pepper Extract
Everyone has black pepper in their kitchen. However, the spicy-tasting spice can do more than just refine your dishes. VitaminD3Agil contains BioPerine® , a valuable black pepper extract, which ensures high bioavailability. Because what is decisive is what the body can absorb and not just what is fed to it.
Product details & ingredients
Contents: 90 capsules, 35 g
Composition: Fillers: microcrystalline cellulose and hydroxypropylmethylcellulose, 1.8% black pepper extract (BioPerine®), anti-caking agents: magnesium salts of fatty acids, cholecalciferol.
Brand raw material:
- BioPerine® is a brand of Sabinsa (not an organic product according to VO (EU) 2018/848)
Item number: 11001/019090
German pharmaceutical central number (PZN): 18196860
Recommended consumption & important information
Take 1 capsule daily with plenty of water. One pack is enough for around 3 months.
It should still be
A balanced and varied diet must be ensured, an adequate one
Hydration (approx. 2-3 liters of calorie-free drinks/day) as well as regular physical activity and a
healthy lifestyles are important.
The stated consumption quantity must not be exceeded. Dietary supplements are not a substitute
for a balanced and varied diet.
The product is for
Designed for adults and to be stored out of the reach of children.
VitaminD3Agil contains the extract
BioPerine®, which comes from natural black pepper and ensures high bioavailability. Because
What matters is what the body can absorb, not what is fed to it.
• Pregnant women are advised not to take dietary supplements containing isolated piperine
(black pepper extract), not recommended.
• Piperine impairs the metabolism of various substances, including dietary supplements and
Drug. Ask your doctor or pharmacist for advice before taking/using.
• It is recommended not to consume any other products containing piperine at the same time.
Production & Origin
From recipe development to production and bottling, everything was manufactured to the highest quality, regionally in Germany.
Allergen confirmation & capsule
VitaminD3Agil is 100% vegan and free from :
- gluten
- Crustaceans and ore.
- Eggs and ore.
- Fish and ore.
- Peanuts & ore.
- Soybeans & Ore.
- Milk and ore (including lactose)
- Nuts and ore (nuts...)
- Celery & ore.
- Mustard and ore.
- Sesame and ore.
- SO2 and sulfites > 10mg/kg or 10ml/l
- Lupins and ore.
- Mollusks and ore.
- TSE/BSE suspect
- Gelatin
- GMO status EC Regulations 1829/2003.1830/2003
The capsule consists of a natural cellulose (plant fiber) - short
HPMC (Hydroxypropylmethylcellulose) - and is therefore vegan . It has capsule size 0 (21.3 mm) and a weight of 385 mg (+/-5%).
Packaging & Storage
Packaging: Aluminum can that protects against light and oxidation and is 100% recyclable .
To reuse the aluminum can, the label can simply be removed. Any residue can be easily rubbed off with a little dishwashing detergent.
Storage: The product should be stored dry and not above 25 °C.
Best before: Best before August 2025 / Batch: see underside of the product
HEADING SWITCH (Don't remove)
General questions about supplements:
Many people question the effectiveness of dietary supplements. We asked our nutritionist: inside the following questions.
What are dietary supplements and what is special about AgilNature dietary supplements?
From a legal perspective, nutritional supplements are considered foods. They contain nutrients such as vitamins and minerals that are also found in normal foods. However, in dietary supplements these substances are present in concentrated form and usually in higher dosages. Dietary supplements are offered in various dosage forms. There are tablets, capsules, powders, effervescent tablets or even liquids. Plant extracts can also be found in some dietary supplements.
The AgilNature dietary supplements are developed in collaboration with nutritionists. The valuable formulations usually consist of a mineral and vitamin complex combined with plant extracts and are specifically tailored to their functions. The formulation combines the latest scientific findings with tried and tested ancient wisdom. The carefully selected ingredients make AgilNature products a valuable dietary supplement. The AgilNature nutritional supplements are high-quality products that are developed and manufactured according to the strict guidelines of the AgilNature quality promise. By avoiding known allergens, chemical additives and genetically modified substances, a high level of tolerability is ensured. Out of ethical conviction, we avoid all animal raw materials. VitaminD3Agil forte is 100% vegan!
In our NEMs, we use the power of nature in addition to the vitamin and mineral complexes in order to be able to contribute holistically to maintaining health. Unfortunately, there is very strict regulation of the marketing of dietary supplements in the EU. We are therefore hardly allowed to advertise the effects of certain plant substances. However, that doesn't mean they can't work. If you want to find out more about the effects of plant substances, then educate yourself. You will be surprised at the power the plants have!
Why does my body need additional micronutrients?
Unfortunately, many people today do not have sufficient micronutrient stores. This is mainly due to our lifestyle. Diet plays a big role here. Our food currently often contains too much sugar and light flours as well as too much unhealthy fat and too little fiber and plant-based food sources. If you want to replenish your nutrient stores, pay attention to a balanced and varied diet. But nutritional supplements can also help you fill your reserves.
How do I recognize a micronutrient deficiency?
Recognizing a micronutrient deficiency is often not that easy. The body usually signals a deficiency with non-specific symptoms such as listlessness, fatigue or reduced stress tolerance. However, if massive deficiencies occur, these can manifest themselves in deficiency-related illnesses. However, if you suspect this is the case for you, you should see a doctor.
However, most micronutrient deficiencies are not that severe. To illustrate this, you can compare people to gears that mesh with each other and influence each other. If some of the gears are already a little worn, the system no longer runs smoothly. If some of your micronutrient stores are no longer full, this has an impact on other processes in your body. So it makes sense to always keep your storage well filled. This can be achieved with a balanced and varied diet and possibly additional nutritional supplements. A simple way to determine your micronutrient needs is to ask your doctor for an analysis of your micronutrient status.
Are there risks and side effects with dietary supplements? And what's wrong with the criticism of dietary supplements?
Dietary supplements are repeatedly criticized for leading to overdose. Yes, dietary supplements can contain vitamins or minerals in higher concentrations than you would consume with a normal diet. However, this does not immediately pose a risk of overdose. Many people actually have too few micronutrients in their stores.
Our body also has numerous sophisticated regulatory mechanisms, so that in many cases it only gets the nutrients from food that it really needs. However, it makes sense to have a blood analysis done by your family doctor before taking very highly concentrated dietary supplements in order to get an overview of your own stores so that you can then make a personalized selection of possible dietary supplements.
Sometimes dietary supplements are criticized for possibly being contaminated. However, our AgilNature quality promise guarantees dietary supplements that are free of known allergens, chemical additives and genetically modified substances. This means we can guarantee a high level of tolerability.
However, dietary supplements are not a replacement for a balanced and varied diet. Simply consuming nutritional supplements is often not enough to do your body any good. If you want to get to the root of the reasons for your micronutrient deficiencies, you should start where you get most of your nutrients from: your diet. It's best to eat a varied diet that contains many different types of fruit and vegetables, some whole grain products and few processed products and sweets. If you find this difficult, you can always get advice from various nutritionists.
Why would we recommend taking nutritional supplements?
Dietary supplements are repeatedly criticized. But there are also a lot of people who never want to do without nutritional supplements again. Now who is right?
Unfortunately, this question cannot be answered clearly, but in the following lines we would like to give you a few reasons why we believe that consuming nutritional supplements can make sense.
- Dietary supplements can help you replenish certain nutrient deficiencies more quickly than simply changing your diet. Nevertheless, it makes sense to adapt your diet in parallel to consuming dietary supplements, because dietary supplements are not a replacement for a balanced and varied diet.
- The AgilNature nutritional supplements are also specially formulated to provide you with the best possible combination of minerals, vitamins and selected plant extracts for a specific goal.
- Do you eat vegan? Of course we're happy about that because you're protecting the animals and our environment, but you should also definitely supplement with vitamin B12. Unfortunately, vitamin B12 can only be found in foods of animal origin and cannot be produced by the body itself. It is therefore essential for you to take vitamin B12 as a dietary supplement or in fortified foods. Attention: Vegetarians also often have a vitamin B12 level that is too low despite consuming milk and milk products as well as eggs. It is therefore advisable for both vegans and vegetarians to have their vitamin B12 status and other critical micronutrients such as iron checked regularly by their family doctor.
- Do you have a growing desire to have children, but you don't want to do anything wrong when it comes to nutrition? Here you should pay particular attention to a sufficient intake or supplementation of folic acid and not only when you are already pregnant, but also when you plan to become pregnant. However, we recommend that you find out more about this. You can do this either with your gynecologist or, better yet, with a nutritionist.
- You probably already knew that the body can synthesize vitamin D independently through the skin. But do you also know that in winter, due to the position of the sun, especially in our latitudes, it is almost impossible to get enough sun to adequately produce vitamin D? Here, too, we strongly recommend that you have your vitamin D status checked by your family doctor and, if necessary, supplement with vitamin D.
HEADING SWITCH (Don't remove)
Sources, information & studies - VitaminD3Agil
Study - Clinical Findings/ Science Spotlight/ Evidence Digest/ Study Snapshots :
A recent study shows that vegan individuals may need to exercise particular caution as they may be at increased risk of reduced bone mineral density and associated fractures. It is recommended to follow a well-planned vegan diet with adequate intake of nutrients such as calcium, vitamin D and protein to maintain bone health.
Sources:
- Iguacel, Isabel et al. “Veganism, vegetarianism, bone mineral density, and fracture risk: a systematic review and meta-analysis.” Nutrition reviews vol. 77.1 (2019): 1-18. doi:10.1093/nutrit/nuy045
- Akimbekov, Nuraly S et al. “Vitamin D and Phosphate Interactions in Health and Disease.” Advances in experimental medicine and biology vol. 1362 (2022): 37-46. doi:10.1007/978-3-030-91623-7_5
- Bouillon, Roger et al. “The health effects of vitamin D supplementation: evidence from human studies.” Nature reviews. Endocrinology vol. 18.2 (2022): 96-110. doi:10.1038/s41574-021-00593-z
- Płudowski P, Kos-Kudła B, Walczak M, Fal A, Zozulińska-Ziółkiewicz D, Sieroszewski P, Peregud-Pogorzelski J, Lauterbach R, Targowski T, Lewiński A, Spaczyński R, Wielgoś M, Pinkas J, Jackowska T, Helwich E , Mazur A, Ruchała M, Zygmunt A, Szalecki M, Bossowski A, Czech-Kowalska J, Wójcik M, Pyrżak B, Żmijewski MA, Abramowicz P, Konstantynowicz J, Marcinowska-Suchowierska E, Bleizgys A, Karras SN, Grant WB, Carlberg C, Pilz S, Holick MF, Misiorowski W. Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland. Nutrients. 2023 Jan 30;15(3):695. doi: 10.3390/nu15030695. PMID: 36771403; PMCID: PMC9920487.
- Weikert, Cornelia et al. “Vitamin and Mineral Status in a Vegan Diet.” Deutsches Ärzteblatt international vol. 117.35-36 (2020): 575-582. doi:10.3238/arztebl.2020.0575
- Giustina, Andrea et al. “Vitamin D in the older population: a consensus statement.” Endocrine vol. 79.1 (2023): 31-44. doi:10.1007/s12020-022-03208-3

FAQs
Do you have questions about VitaminD3Agil? Our team of
Nutritionists will be happy to help you – just write to us
an email or use our chat!
Good to know
For whom is VitaminD3Agil a good choice and why should you try it?
Do you want to support your immune system and bone health? Do you spend most of your time indoors, even in summer, making it harder for your body to synthesize its own vitamin D? Do you want to have well-filled vitamin D stores in winter too? Then VitaminD3Agil is just the thing for you. Do you want to eat a 100% vegan diet? Then VitaminD3Agil is also a good choice for you. In many available vitamin D supplements, the vitamin D is extracted from sheep's wool. In our case, however, the source of vitamin D3 is a lichen. This means that our VitaminD3 Agil is also naturally 100% vegan.
We pay special attention to ensuring that your body can actually absorb the active ingredients. With VitaminD3Agil you therefore receive a formulation with a special extract from black pepper, which has been proven to promote the absorption of vital substances. We ensure high bioavailability, which is why we provide you with combinations of vital substances that reach exactly where they are actually needed in your body and are not simply excreted unused.
How exactly does VitaminD3Agil work?
VitaminD3Agil contains 1000 IU of vitamin D. This corresponds to 25μg. The estimated daily requirement is 20μg. VitaminD3Agil not only helps you to cover your daily requirement, but also to fill your vitamin D stores. Most people in Germany have very poorly filled vitamin D stores. You can have your personal vitamin D status determined by your family doctor at any time.
What is vitamin D3 actually?
Vitamin D is a fat-soluble vitamin. There are various forms of vitamin D. Vitamin D3 is also known as cholecalciferol. Vitamin D has numerous functions in the body. Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus and to a normal calcium blood level. Vitamin D supports the maintenance of normal bones and teeth and the maintenance of normal muscle function. It also contributes to normal cell division. However, vitamin D is probably best known for its effect on our immune system. Vitamin D is needed for the normal functioning of the immune system. This is another reason why supplementing with vitamin D is useful, especially in the winter months.
What should I watch out for while taking VitaminD3Agil?
You should not take any other vitamin D-containing food supplements at the same time as taking VitaminD3Agil. In general, it is advisable to adjust your diet at the same time as taking VitaminD3Agil. Take a look at the section “Should I change my diet at the same time?” Vitamin D is a fat-soluble vitamin. It is therefore advisable to take VitaminD3Agil with a high-fat meal. This makes it easier for your intestines to absorb vitamin D. It is also important that the recommended amount is not exceeded. AgilNature® products also contain piperine. There are a few tips to keep in mind:
How do I recognize a vitamin D deficiency?
A vitamin D deficiency becomes apparent above all through an increased susceptibility to infections, muscle weakness and disturbed bone mineralization. Because vitamin D contributes to the normal absorption and utilization of calcium and phosphorus. As a result, vitamin D contributes to a normal calcium blood level. Calcium is required for bone mineralization. Vitamin D thus supports the maintenance of normal bones and teeth. Vitamin D is also needed to maintain normal muscle function. Vitamin D also contributes to normal cell division. Vitamin D is also required for the normal functioning of the immune system.
Should I change my diet at the same time?
Dietary supplements are not a substitute for a balanced and varied diet and a healthy lifestyle. In general, it is always advisable to eat a balanced and varied diet. Would you like to consciously support your body through your diet to maintain a good vitamin D level? Then we have a few tips for you: Vitamin D is found in food, especially in fatty sea fish such as salmon, herring or mackerel. Eggs can also be a good source. Some mushrooms are grown under special conditions, so they can sometimes be rich in vitamin D. There is also margarine enriched with vitamin D. As you can see, food sources of vitamin D are rare. Vitamin D supplementation is therefore almost unavoidable, especially in the winter months, when the skin's own synthesis is blocked by thick sweaters and an incorrect angle of exposure to sunlight. However, if you would like to have your vitamin D status checked before taking a supplement, you can ask your family doctor to do so.
General information on dietary supplements
What are dietary supplements and what is special about AgilNature dietary supplements?
Legally speaking, food supplements are considered food. They contain nutrients such as vitamins and minerals that are also found in normal food. In food supplements, however, these substances are in concentrated form and usually in a higher dosage. Food supplements are available in various forms. There are tablets, capsules, powders, effervescent tablets or even liquids. Some food supplements also contain plant extracts.
The AgilNature nutritional supplements are developed in collaboration with nutritionists. The valuable formulations mostly consist of a mineral and vitamin complex combined with plant extracts and are specifically tailored to their functions. The formulation combines the latest scientific findings with tried and tested old wisdom. The carefully selected ingredients make the AgilNature products a valuable nutritional supplement. The AgilNature nutritional supplements are high-quality products that are developed and manufactured according to the strict guidelines of the AgilNature quality promise. By avoiding known allergens, chemical additives and genetically modified substances, a high level of tolerability is guaranteed. Out of ethical conviction, we avoid all animal raw materials. VitaminD3Agil is 100% vegan!
In our nutritional supplements, we use the power of nature in addition to the vitamin and mineral complexes in order to contribute holistically to maintaining health. Unfortunately, there is very strict regulation of the marketing of nutritional supplements in the EU. We are therefore hardly allowed to advertise the effects of certain plant substances. However, that does not mean that they cannot work. If you want to find out more about the effects of plant substances, then do your own research. You will be surprised at the power that plants have!
Why does my body need additional micronutrients?
Unfortunately, many people today do not have sufficiently filled micronutrient stores. This is mainly due to our lifestyle. Diet plays a big part in this. Currently, our diet often contains too much sugar and white flours as well as too much unhealthy fat and not enough fiber and plant-based food sources. If you want to refill your nutrient stores, make sure you eat a balanced and varied diet. But dietary supplements can also help you to fill up your reserves.
Are there any risks and side effects of dietary supplements? And what about the criticism of dietary supplements?
Dietary supplements are repeatedly criticized for leading to an overdose. Yes, dietary supplements may contain vitamins or minerals in higher concentrations than you would get from a normal diet. However, this does not immediately pose a risk of overdose. In fact, many people tend to have too few micronutrients in their stores.
Our body also has numerous sophisticated regulatory mechanisms, so that in many cases it only gets the nutrients from food that it really needs. However, it makes sense to have a blood analysis done by your family doctor before taking very highly concentrated food supplements in order to get an overview of your own storage and then be able to make a personalized selection of possible food supplements.
Sometimes dietary supplements are criticized for being potentially contaminated. However, our AgilNature quality promise guarantees dietary supplements that are free of known allergens, chemical additives and genetically modified substances. This means we can guarantee a high level of compatibility.
However, dietary supplements are not a substitute for a balanced and varied diet. The mere consumption of dietary supplements is often not enough to do something good for your body. If you want to get to the root of the reasons for your micronutrient deficiencies, you should start where you get most of your nutrients from: your diet. It is best to ensure a varied diet that contains many different types of fruit and vegetables, some whole grain products and few finished products and sweets. If you find this difficult, you can always get advice from various nutritionists: inside.
How do I recognize a micronutrient deficiency?
Recognizing a micronutrient deficiency is often not that easy. The body usually signals a deficiency with unspecific symptoms such as listlessness, tiredness or reduced stress tolerance. However, if massive deficiencies occur, they can manifest themselves in deficiency-related diseases. However, if you suspect this is the case with you, you should see a doctor.
However, most micronutrient deficiencies are not as severe. A good way to illustrate this is to compare people with gears that mesh and influence each other. If some gears are already a bit worn, the system no longer runs so smoothly. If some of your micronutrient stores are no longer so full, this has an impact on other processes in your body. So it makes sense to always fill your storage well. This can be achieved with a balanced and varied diet and possibly additional food supplements. A simple way to determine your micronutrient needs is to ask your doctor for an analysis of your micronutrient status.
Why would we advise you to take dietary supplements?
Dietary supplements are often criticized. But there are also many people who never want to do without dietary supplements again. Now who is right?
Unfortunately, this question cannot be answered unequivocally, but in the following lines we would like to give you a few reasons why we believe that the consumption of dietary supplements can be useful.
- Dietary supplements can help you to fill up certain nutrient deficiencies more quickly than a simple change in diet would do. Nevertheless, it makes sense to adjust your diet in parallel with the consumption of food supplements, because food supplements are not a substitute for a balanced and varied diet.
- The AgilNature food supplements are also put together in such a way that they provide you with the best possible combination of minerals, vitamins and selected plant extracts for a specific goal.
- Are you vegan? Of course we're happy about that, because you're protecting the animals and our environment, but you should definitely supplement with vitamin B12. Unfortunately, vitamin B12 can only be found in foods of animal origin and cannot be produced by the body itself. It is therefore essential for you to take vitamin B12 as a dietary supplement or in fortified foods. Attention: Even vegetarians: Despite the consumption of milk and milk products as well as eggs, internal vitamin B12 levels are often too low. It is therefore advisable for both vegans and vegetarians to have their vitamin B12 status and other critical micronutrients such as iron checked by their family doctor on a regular basis.
- The desire for children is growing in you, but you don't want to do anything wrong when it comes to nutrition? Here you should pay particular attention to a sufficient intake or supplementation of folic acid and not just when you are already pregnant, but also when you are planning to become pregnant. However, we recommend that you inform yourself about this. You can either do this with your gynecologist or, even better, with a nutritionist: in.
- You probably already knew that the body can synthesize vitamin D independently through the skin. But do you also know that in winter it is almost impossible to get enough sun to produce vitamin D adequately due to the position of the sun in our latitudes? Here, too, we strongly recommend having your family doctor check your vitamin D status and supplementing with vitamin D if necessary.
Scientific findings on VitaminD3Agil
Sources, information & studies - VitaminD3Agil
Study - Clinical Findings/ Science Spotlight/ Evidence Digest/ Study Snapshots:
A recent study shows that vegan individuals may need to exercise extra caution as they may be at increased risk for reduced bone mineral density and related fractures. It is recommended to follow a well-planned vegan diet with adequate intake of nutrients such as calcium, vitamin D and protein to maintain bone health.
Sources:
- Iguacel, Isabel et al. “Veganism, vegetarianism, bone mineral density, and fracture risk: a systematic review and meta-analysis.” Nutrition reviews vol. 77.1 (2019): 1-18. doi:10.1093/nutrit/nuy045
- Akimbekov, Nuraly S et al. “Vitamin D and Phosphate Interactions in Health and Disease.” Advances in experimental medicine and biology vol. 1362 (2022): 37-46. doi:10.1007/978-3-030-91623-7_5
- Bouillon, Roger et al. “The health effects of vitamin D supplementation: evidence from human studies.” Nature reviews. Endocrinology vol. 18.2 (2022): 96-110. doi:10.1038/s41574-021-00593-z
- Płudowski P, Kos-Kudła B, Walczak M, Fal A, Zozulińska-Ziółkiewicz D, Sieroszewski P, Peregud-Pogorzelski J, Lauterbach R, Targowski T, Lewiński A, Spaczyński R, Wielgoś M, Pinkas J, Jackowska T, Helwich E, Mazur A, Ruchała M, Zygmunt A, Szalecki M, Bossowski A, Czech-Kowalska J, Wójcik M, Pyrżak B, Żmijewski MA, Abramowicz P, Konstantynowicz J, Marcinowska-Suchowierska E, Bleizgys A, Karras SN, Grant WB, Carlberg C, Pilz S, Holick MF, Misiorowski W. Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland. Nutrients. 2023 Jan 30;15(3):695. doi: 10.3390/nu15030695. PMID: 36771403; PMCID: PMC9920487.
- Weikert, Cornelia et al. “Vitamin and Mineral Status in a Vegan Diet.” Deutsches Arzteblatt international vol. 117,35-36 (2020): 575-582. doi:10.3238/arztebl.2020.0575
- Giustina, Andrea et al. “Vitamin D in the older population: a consensus statement.” Endocrine vol. 79.1 (2023): 31-44. doi:10.1007/s12020-022-03208-3