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Vitamin D Foods - Sources, Benefits, & Deficiencies

  • Wellness Blog

  • 28 Aug 2025

  • 5 Viewed

Contents

  • Benefits of Vitamin D
  • Vitamin D Deficiency
  • Vitamin D Sources
  • Vitamin D Foods for Vegetarians
  • Risks of Getting Too Much Vitamin D
  • How Much Vitamin D Do You Need?
  • Conclusion
Vitamin D, often referred to as the "sunshine vitamin," is essential for maintaining good health. It plays a critical role in bone health, immune function, and overall well-being. In this blog, we will explore the vitamin D sources, benefits, and deficiencies. Additionally, we will provide a comprehensive list of vitamin D rich foods, including options for vegetarians.

Benefits of Vitamin D

Vitamin D has several vital functions in the body. The most important are regulating the absorption of calcium and phosphorus and supporting a healthy immune system. Adequate Vitamin D is essential for normal bone and teeth development, as well as stronger resistance to infections and certain diseases.

1.Fight Disease 

Research shows that Vitamin D may help reduce the risk of multiple sclerosis (MS), lower the chances of heart disease, and decrease the severity of certain illnesses. People with sufficient Vitamin D levels are also less likely to develop autoimmune conditions such as rheumatoid arthritis, type 1 diabetes, and inflammatory bowel disease.

2.Regulate Mood and Reduce Depression

Vitamin D plays a role in mood regulation and may help reduce symptoms of depression. Studies have found that individuals with low Vitamin D levels often experience mood disorders, while supplementation may improve emotional well-being.

3.Support Weight Management

There is evidence suggesting a connection between Vitamin D and body weight. People with higher body weights are more prone to Vitamin D deficiency, and some studies indicate that improving Vitamin D levels could support weight management, although research is still ongoing.

Vitamin D Deficiency

Several factors can affect your ability to get adequate vitamin D from sunlight alone. You may be less likely to absorb enough vitamin D if you live in an area with high pollution, use sunscreen, spend most of your time indoors, live in a big city where buildings block sunlight or have darker skin. These factors can increase your risk of vitamin D deficiency, so it s important to get some of your vitamin D from sources other than sunlight.

Also Read: Calcium-Rich Foods: Which Are Foods High in Calcium?

Vitamin D Sources

Your body naturally produces Vitamin D when exposed to sunlight. However, factors like geographic location, skin tone, and lifestyle can make it difficult to get enough from sunlight alone. This is why dietary sources of Vitamin D are important to help maintain healthy levels. Below is a list of Vitamin D-rich foods, including both animal and plant-based options.

1.Fatty Fish

Fatty fish such as salmon, mackerel, and sardines are among the best natural sources of Vitamin D. For example, a 3.5-ounce (100-gram) serving of farmed Atlantic salmon provides about 526 IU of Vitamin D, covering around 66% of the Daily Value (DV).

2.Cod Liver Oil

Cod liver oil is a widely used supplement and one of the richest sources of Vitamin D. Just one teaspoon (4.9 mL) contains about 450 IU, which is 56% of the DV.

3.Canned Tuna

Canned light tuna is an affordable and convenient option. A 3.5-ounce (100-gram) serving offers 269 IU of Vitamin D, or about 34% of the DV.

4.Egg Yolks

Whole eggs, particularly the yolks, are a good source of Vitamin D. One large egg yolk provides around 37 IU, which is about 5% of the DV. Eggs from hens fed with Vitamin D-enriched feed contain significantly higher levels.

5.Mushrooms

Certain mushrooms can produce Vitamin D when exposed to UV light. Wild mushrooms or UV-treated ones are excellent vegetarian sources. A cup of UV-exposed mushrooms contains up to 1,110 IU of Vitamin D, which is 139% of the DV.

6.Fortified Foods

Many foods are fortified with Vitamin D to help meet daily needs. These include cow’s milk, soy milk, orange juice, breakfast cereals, and oatmeal. Fortified options are especially beneficial for vegetarians and vegans.

Vitamin D Foods for Vegetarians

For individuals following a vegetarian or vegan diet, getting enough Vitamin D can be a challenge since most natural sources are animal-based. However, several vegetarian-friendly foods can help maintain healthy Vitamin D levels:

1.Fortified Plant Milk

Plant-based options such as soy milk, almond milk, and oat milk are often fortified with Vitamin D. Always check nutrition labels to confirm the levels provided.

2.Fortified Orange Juice

Some brands of orange juice are enriched with Vitamin D. One cup (237 mL) may provide up to 100 IU, which is about 12% of the Daily Value (DV).

3.Fortified Cereals and Oatmeal

Many breakfast cereals and oatmeals are fortified with Vitamin D. A single serving can supply a significant portion of your daily requirement.

4.Mushrooms

Mushrooms exposed to UV light are one of the few natural plant-based sources of Vitamin D. Adding them to your diet can help boost intake, especially for vegetarians and vegans.

Risks of Getting Too Much Vitamin D

While vitamin D is essential, it is possible to get too much of it, primarily through supplements. Excessive vitamin D intake can lead to vitamin D toxicity, causing an increase in blood calcium levels, resulting in symptoms like frequent urination, vomiting, abdominal pain, dehydration, confusion, and increased thirst.

How Much Vitamin D Do You Need?

The recommended dietary allowances for vitamin D vary by age:

  • Infants (0 12 months): 10 micrograms (mcg) or 400 international units (IU)
  • Children and teens: 15 mcg (600 IU)
  • Adults ages 18 70: 15 mcg (600 IU)
  • Adults over age 70: 20 mcg (800 IU)
  • Pregnant or breastfeeding individuals: 15 mcg (600 IU)

Conclusion

Vitamin D has numerous potential benefits. It may reduce the risk of certain diseases, improve mood reduce depression symptoms, and assist with weight management. Given that it's challenging to obtain enough vitamin D from diet alone, consider asking a healthcare professional for a blood test and possibly taking a vitamin D supplement. Ensuring adequate levels of vitamin D is crucial for maintaining overall health. If you have health insurance from Bajaj Allianz General Insurance Company, regular check-ups can help monitor your vitamin D levels and address any deficiencies promptly. Incorporating vitamin D rich foods into your diet, such as fatty fish, fortified foods, and UV-exposed mushrooms, can help you maintain optimal vitamin D levels. For those on a vegetarian or vegan diet, fortified plant-based milks and cereals can be excellent vitamin D sources. By staying informed and proactive about your vitamin D intake, you can support your long-term health and well-being.

FAQs

Can I get enough Vitamin D from food alone?

While it's possible to get Vitamin D from food, many people find it difficult to reach the recommended levels solely through diet. Sunlight exposure is also an important factor, as it helps the body produce Vitamin D naturally.

How does Vitamin D affect bone health?

Vitamin D helps the body absorb calcium and phosphorus, which are essential for strong bones and teeth. A deficiency in Vitamin D can lead to weakened bones, increasing the risk of conditions like osteoporosis and rickets.

Can Vitamin D help with immunity?

Yes, Vitamin D plays a key role in supporting the immune system. It helps activate immune cells and enhances the body s defense mechanisms, potentially lowering the risk of infections and chronic diseases.

How does sunlight affect Vitamin D levels in the body?

Sunlight boosts Vitamin D by triggering its production in the skin through UVB rays. The body then converts it to its active form, aiding calcium absorption, bone strength, and immunity. Limited sun exposure can lead to deficiency.

What are the best ways to ensure I get enough Vitamin D during the winter months?

During winter months, when sunlight exposure is limited, you can maintain healthy Vitamin D levels by including Vitamin D-rich foods in your diet such as fatty fish, eggs, and fortified dairy products. Taking doctor-recommended Vitamin D supplements can also help meet daily requirements. Additionally, spending short periods outdoors on sunny days and consuming fortified foods or drinks are effective ways to support adequate Vitamin D intake.

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**Disclaimer: The content on this page is generic and shared only for informational and explanatory purposes. It is based on several secondary sources on the internet and is subject to changes. Please consult an expert before making any related decisions.

***Insurance is the subject matter of solicitation. For more details on benefits, exclusions, limitations, terms, and conditions, please read the sales brochure/policy wording carefully before concluding a sale.

****The information presented is not meant to be a substitute for medical advice. Any suggestions mentioned should be considered for general use only. For expert guidance on any health ailment or medical issue or any treatment/procedure, please consult a certified medical professional.

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