Mushroom Nutrition
Overview
Mushrooms are a culinary food composed primarily of water, with small amounts of protein and dietary fiber. Like many whole foods, they also contain trace amounts of vitamins and minerals that contribute to their overall nutritional profile.
In recent years, mushrooms have gained increased attention due to research into certain bioactive compounds found in specific species. While this research continues to evolve, the purpose of this page is not to focus on isolated compounds or concentrated extracts. Instead, it aims to provide a general, non-quantitative overview of the nutrients commonly found in culinary mushrooms as whole foods.
This information is presented to place mushrooms in their proper context: as foods that are traditionally consumed as part of a regular diet, rather than as supplements or standalone sources of nutrition.
The Macros
Culinary mushrooms are composed primarily of water. They contain small amounts of carbohydrates, including dietary fiber, along with modest amounts of protein and very little fat. This macronutrient profile reflects their role as a low-energy, whole food that is typically consumed alongside other ingredients rather than as a primary source of calories.
Micronutrients
In addition to macronutrients, mushrooms contain trace amounts of vitamins and minerals. While these micronutrients are present in relatively small quantities, they contribute to the overall nutritional profile of mushrooms when consumed as part of a varied diet.
B Vitamins
B vitamins are a group of related nutrients with distinct roles in human biology. Culinary mushrooms contain trace amounts of several B vitamins, which are also found across a wide range of foods. The graphic below provides a general overview.
Other Vitamins
In addition to B vitamins, culinary mushrooms contain trace amounts of other vitamins commonly found in whole foods. These may include vitamin D in certain mushrooms exposed to ultraviolet light, as well as small amounts of vitamin C and vitamin A precursors. As with other nutrients in mushrooms, these vitamins are present in relatively low quantities and vary by species and preparation. They are best considered within the context of an overall dietary pattern rather than as concentrated sources of individual vitamins.
Minerals
Culinary mushrooms also contain trace amounts of minerals commonly found in whole foods. These may include minerals such as potassium, copper, selenium, and phosphorus. As with vitamins, mineral content is best understood in context, as part of an overall dietary pattern rather than in isolation.
Nutritional Context
The information on this page is intended to provide general nutritional context for culinary mushrooms as foods. While mushrooms contain a range of nutrients in small amounts, they are typically consumed alongside other ingredients and should be considered one component of a varied and balanced diet. This overview is meant to support an understanding of mushrooms as everyday foods, rather than as concentrated sources of individual nutrients. For additional culinary context, see our Mushroom Cookbook, which explores traditional and contemporary ways mushrooms are prepared and enjoyed as part of regular cooking.