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Chaga Nutrition Facts: Minerals and Natural Compounds in Wild Chaga Mushroom

Chaga Nutrients

Chaga nutrition reflects a complex composition of naturally occurring minerals and fungal compounds, helping answer the question of what is in Chaga and how these elements vary depending on growth conditions and preparation.

Wild Chaga is naturally rich in a wide range of trace minerals, absorbed over many years from its birch tree host and the surrounding boreal ecosystem.

Below is a snapshot from a recent mineral panel analysis of wild Canadian Chaga.

Chaga Mineral Content (ICP Analysis)

Sample Size: 100 g
Method: ICP (Inductively Coupled Plasma) Analysis

Mineral ppm
Calcium 850
Copper 2.8
Iron 11
Magnesium 820
Manganese 350
Molybdenum 0.0049
Phosphorus 180
Potassium 48,000
Selenium <0.016
Sodium 92
Sulfur 200
Zinc 61

Values reflect naturally occurring minerals found in wild Canadian Chaga. Mineral levels may vary according to harvest region, birch tree age, environmental conditions, and seasonal factors. 


What Is in Chaga?

In addition to trace minerals, Chaga contains a range of naturally occurring fungal compounds. These compounds help answer the common question: What is in Chaga?

These compounds develop over many years as Chaga interacts with its birch tree host and the surrounding forest environment.

Some of the naturally occurring components identified in Chaga include:

  • Polysaccharides, including beta-glucans
  • Polyphenols and related antioxidant compounds
  • Triterpenoids and sterol compounds
  • Melanin and naturally occurring pigments
  • Trace nutrients and micronutrients

The exact composition of Chaga can vary depending on where it grows, the age of the host tree, and how the material is prepared. Because Chaga is most often consumed as a tea, powder, tincture, or extract, different preparation methods may influence which compounds are released.


Chaga Nutrition and Naturally Occurring Minerals

Chaga nutrition reflects a unique combination of naturally occurring minerals and fungal compounds.

As Chaga grows on living birch trees over many years, it absorbs minerals from both the tree and the surrounding boreal ecosystem. Independent laboratory analysis of wild Canadian Chaga has identified naturally occurring levels of potassium, calcium, magnesium, manganese, phosphorus, sulfur, zinc, copper, and other trace minerals. 

Because Chaga is a natural forest product, mineral concentrations can vary between harvesting regions, tree age, growing conditions, and preparation methods.


How Mineral Content Differs from Other Chaga Compounds

While mineral analysis reflects the trace elements absorbed from the birch tree and surrounding environment, other Chaga compounds, such as polysaccharides, polyphenols, melanin, and triterpenoids, are part of the fungal structure itself.

This distinction is important when understanding Chaga as both a source of naturally occurring minerals and a complex fungal organism with its own unique composition.


Why Chaga Mineral Levels Vary

No two Chaga conks are identical.

Natural variation may occur due to:

  • Birch tree species and age
  • Geographic location
  • Soil and environmental conditions
  • Harvest season
  • Growth duration
  • Preparation and processing methods

This natural variation is one reason why independent laboratory testing is valuable when evaluating wild harvested forest products.


Wild Canadian Chaga and Quality Testing

At Annanda, we believe transparency is an important part of responsible sourcing.

Our Chaga undergoes independent third-party laboratory testing, including mineral analysis, microbiological testing, moisture verification, and heavy metal screening. Testing helps verify the quality and composition of each lot while providing customers with objective information about the products they purchase.


Learn More About Chaga

Discover more about the nutrients, trace minerals, traditional uses, and preparation methods of Chaga mushroom:

Updated: September 2026