Key takeaways
- Look for the Ganoderma species named on the label.
- Check whether it uses fruiting body, mycelium or spores.
- Reishi’s chemistry makes dual extraction particularly relevant.
- Tradition is context, not evidence; no health claims are authorised.
Reishi has been prepared for centuries and is widely available today in many forms. This guide explains what to check when choosing a Reishi product.
1. Check the species
Reishi is usually labelled Ganoderma lucidum, though much cultivated Asian Reishi is now recognised as Ganoderma lingzhi. A product that names its species is a good sign. See Ganoderma Species Explained.
2. Fruiting body, mycelium or spores?
Reishi products can be made from the fruiting body, the mycelium (sometimes grown on grain) or the spores. Each is different, and the label should make clear which you’re buying.
3. Check the extraction
Reishi’s triterpenes need alcohol and its polysaccharides need hot water, so a dual extract makes particular sense. See How Reishi Is Extracted.
4. Tincture or powder?
Reishi is very bitter, which some people find easier to take as a tincture in a drink. See Reishi Tincture vs Powder.
5. Treat tradition as tradition
Reishi’s long history is fascinating, but it isn’t evidence of effect, and no health claims are authorised for Reishi in the UK. See Reishi Research: How to Read the Evidence.
Quick checklist
- Species named
- Fruiting body, mycelium or spores stated
- Hot water and alcohol extraction
- Full ingredients listed
- No health promises
Our Reishi
Our Reishi tincture is a dual extract of UK-grown fruiting bodies, containing only mushroom, purified water and plant-derived ethanol, made in small batches in Dorset.