Bristol Fungarium – Chaga




UK-wild harvested Chaga tincture, sustainably foraged in Scotland and extracted at our lab on the farm in Somerset.

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We are the only organic certified medicinal mushroom producer currently in the UK.


The name Chaga originates from the Russian word for mushroom (czaga), where it has been traditionally revered as a folk medicine for centuries to treat chronic diseases, infections, and Gastrointestinal Tract (GIT) disorders, to prevent the onset of degenerative diseases, boost physical stamina and “attain long life”. In the West, Chaga has gained exponential growth in popularity for its antioxidant, alkalising, adaptogenic, anti-inflammatory, and cholesterol-lowering effects – often hailed as the most nutrient-dense superfood in the world.

As popularity rises, we have to be mindful about how we harvest this precious fungi, so every bottle of Bristol Fungarium Chaga mushroom supplement is obtained for us sustainably from Scotland before the sap starts rising in the birch trees from which it grows – and for every sale made, we donate at least £1 back to reforesting initiatives in the Scottish Highlands, as well as local re-wilding projects. All our Chaga is:

100% Organic Certified

The only UK-grown organic certified Chaga Mushroom Tincture. All our mushrooms are grown on an organic mushroom farm in the green county of Somerset UK, and are certified by the Soil Association. Our organic medicinal mushroom tinctures are triple extracted with distilled water and organic UK ethanol, on the very same farm the mushrooms are grown on.

Native & Wild UK Chaga

Our Organic Chaga is wild-foraged in the Scottish Highlands, once per year. As much as possible we utilise native strains, not only to help us get closer once again to the medicine of this land – where so much of the knowledge has been lost – but most importantly to have as little effect as possible on local biodiversity and ultimately tread as lightly as possible on the earth. By prioritising native strains we are avoiding the spread of billions of spores that come from commercial mushroom strains that have been selected specifically for their ability to grow fast and fruit heavily, and will therefore easily out compete a lot of the native strains we have growing around the farm.

Triple Extracted, 1: 4 Ratio (Super Strength)

We carry out two hot water extractions and a final organic ethanol extraction to give you access to all the bioactive compounds that are responsible for Chaga’s gut-healing, immuno-modulating, antioxidant capacity. Many capsules and supplements are shipped across the world in powder form as it is a more commercially viable way of transporting extracted products, however, our tinctures are prepared on-site at a 1:4 ratio (1g of mushrooms to every 4ml of water). Tinctures generally have a longer shelf life than capsules, provide a faster absorption rate, enable flexible dosage, and are easy to prepare by simply taking one squeeze of mushroom tincture twice per day either directly under the tongue or into a short glass of water.

Fully Transparent & Short Supply Chain

Each bottle of our organic Chaga tincture contains 128g of Chaga fruiting body*. Our Chaga grows in Scotland where we harvest 1x per year before bringing it back to the farm in Somerset, where we also prepare the tinctures and pack the orders – meaning origin can be traced back to one location with absolutely no tampering by third parties. Because our supply chain is so much shorter, and we prepare our tincture in comparatively small batches, you can be sure that the extracts you buy from us haven’t lost bioactive compounds due to sitting around for a long time or being shipped halfway across the world. *fresh value

Bottle size: 50ml
Ingredients: Dried Native Chaga Fruiting Body, Purified Water, Organic UK Ethanol

Known Contraindications:

  • Insulin
  • Immunosuppressant medication
  • Blood thinners
  • Chaga extract contains a protein that can prevent blood clotting, and therefore should not be taken close to surgery.
  • We recommend speaking to a qualified medical practitioner if you are on any medication and unsure of how it may interact.


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