Chaga (Northern Birch Mushroom)
- Rich in phytochemicals — plant-based compounds traditionally valued for supporting the body's immune and hormonal balance
- Antioxidant support — chaga is one of nature's most antioxidant-dense mushrooms, studied for helping the body manage oxidative stress
- Standardized & clean — 400 mg standardized to 40% polysaccharides in a vegan capsule, with no artificial additives
The research on chaga
Chaga (Inonotus obliquus) is a mushroom that grows on birch trees in cold northern climates, valued for centuries in traditional practice and studied for its dense antioxidant and polysaccharide content. The findings below describe what the peer-reviewed literature reports. Everyone responds differently, and these statements have not been evaluated by the FDA.
2021: A peer-reviewed review documented chaga's rich content of antioxidant and immune-supporting compounds, including polysaccharides and polyphenols.
Review literature on Inonotus obliquus (chaga) — summarizing its bioactive compounds and studied antioxidant and immunomodulating properties.
2020: A peer-reviewed review described the immune-supporting beta-glucan polysaccharides shared across medicinal mushrooms, including chaga.
Venturella et al., International Journal of Molecular Sciences, 2020 — review of medicinal mushrooms and their bioactive compounds, focusing on the beta-glucans studied for immune modulation.
Antioxidants and oxidative stress: reviews describe how dietary antioxidants help the body manage oxidative stress, a factor studied in relation to healthy aging and overall wellness.
Review literature on dietary antioxidants and oxidative stress — describing the studied role of antioxidant compounds, of which chaga is a notably dense natural source, in supporting cellular health.
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Grounded in real research.
Chaga and its antioxidant and polysaccharide compounds have been studied in peer-reviewed research for their potential to support immune balance and the body's management of oxidative stress. Earthbound's Ground Provisions are built and formulated on that science.
Antioxidant-Rich
One of nature's most antioxidant-dense mushrooms, studied for managing oxidative stress.
Immune Balance
Phytochemicals that support the body's immune and hormonal balance.
Gut Support
Traditionally valued for supporting a healthy gut microbiome.
Standardized Potency
400 mg standardized to 40% polysaccharides, in a clean vegan capsule.
*Based on peer-reviewed research, results may vary
The birch mushroom, in a capsule
Chaga grows slowly on birch trees in the cold forests of the far north, concentrating decades of the tree's compounds into one of the most antioxidant-dense mushrooms known — which is why traditional cultures have brewed it for centuries. This capsule captures that in a standardized, potency-verified extract, so you get a consistent dose of its polysaccharides and phytochemicals in two easy capsules a day.
It's a foundational, food-like supplement: gentle enough for daily use, with or without food, building its antioxidant and immune support over time. It's for anyone who wants to add a steady, natural source of antioxidant support to their routine — a quiet daily habit drawn straight from the forest floor.
- One of nature's most antioxidant-rich functional mushrooms
- Standardized to 40% polysaccharides for consistent potency
- A clean vegan capsule with no artificial additives
