Real Food Profile: Mushrooms

by | Oct 9, 2023 | Nutrition, Real Food

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Not only can mushrooms offer a unique texture and taste, but they can provide specific nutrients that are essential to optimal health.

How Mushrooms Can Fill in Nutritional Gaps

In the realm of nutrition, it’s often a challenge to ensure daily requirements of essential vitamins and minerals are met. Two commonly overlooked nutrients are selenium and vitamin D, which play vital roles in our overall health. However, there’s a culinary solution that can help fill these gaps: mushrooms. These versatile fungi are not only delicious but also rich sources of selenium and, when exposed to sunlight or ultraviolet (UV) light, can provide a natural source of vitamin D. They also contain B vitamins, phosphorus, copper, and potassium. Let’s explore the nutritional benefits of mushrooms, particularly focusing on selenium and vitamin D, and provide tips on how to cook them to retain their nutritional value. 

Mushrooms are often underappreciated for their nutritional value. They are high in protein and low in calories, fat, and carbohydrates, making them an excellent addition to a balanced diet. What makes them truly special, however, are their unique nutrient profiles. They have unique compounds like polysaccharides, indoles, polyphenols, and carotenoids in which studies have shown antioxidant, anti-inflammatory and anticancer effects. 


Selenium is a trace mineral that plays a crucial role in maintaining overall health. It acts as an antioxidant, helping to protect cells from oxidative damage, supports thyroid function, and boosts the immune system. Many people fall short of their daily selenium needs, but mushrooms can help bridge this nutritional gap. 

Common cooking mushrooms like white button mushrooms, cremini mushrooms, and shiitake mushrooms are good sources of selenium. In fact, one cup of cooked white button mushrooms provides about one-third of the recommended daily intake of selenium. Incorporating a variety of mushroom types into your diet can help ensure you meet your selenium requirements. 

Vitamin D

Vitamin D is essential for bone health, immune function, and overall well-being. While our bodies can produce vitamin D when exposed to sunlight, many individuals still struggle to obtain enough of this vital nutrient, particularly in regions with limited sun exposure. About 1 billion people worldwide are vitamin D deficient, with approximately 35% of US adults not reaching recommended levels. 

Here’s where mushrooms shine—literally. When mushrooms are exposed to UV light or sunlight, they produce vitamin D, just like human skin does. This natural process can significantly enhance the vitamin D content of mushrooms. Some commercial mushroom growers have started exposing their crops to UV light, creating a readily available source of vitamin D for consumers.  

To maximize the nutritional benefits of mushrooms, it’s essential to prepare and cook them properly. Here are some tips to help you retain their nutritional value: 

  • Minimize water usage: Mushrooms are like sponges and can absorb excess water, which dilutes their nutrients. Instead of washing them under running water, gently wipe them clean with a damp cloth or a soft brush.

  • Cook with minimal heat and oil: Overcooking mushrooms at high temperatures can lead to nutrient loss. Opt for gentle cooking methods like sautéing, roasting, or grilling with a small amount of oil.

  • Combine with vitamin D sources: Enhance the absorption of vitamin D by pairing mushrooms with foods rich in healthy fats, such as avocado, nuts, or olive oil.

Mushrooms are a nutritional powerhouse that can help fill dietary gaps in selenium and vitamin D. Incorporating various mushroom varieties into your meals and cooking them correctly can maximize their benefits. By embracing these culinary delights, you not only enhance your overall nutrition but also savor the delicious flavors and textures mushrooms bring to your plate. So, the next time you’re planning a meal, don’t forget to sprinkle in some mushrooms to support your health and well-being. 

Fundamentals of Health Alliance

Fundamentals of Health Alliance


The Fundamentals of Health Alliance works to publish useful and reliable information about nutrition and health. Their mission is to empower readers to be informed with honest, non-biased information about food, nutrition and the vital components of health.

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