How to Read a Lion's Mane Supplement Label: Source, Amount and Quality

Lion's mane supplements vary a lot from brand to brand. This guide walks through the label, line by line, so you know what you're buying.

1. Source: Fruiting Body or Mycelium?

The fruiting body is the mushroom itself; the mycelium is the root-like network. They contain different compounds: hericenones mainly in the fruiting body, erinacines mainly in the mycelium. Some mycelium products are grown on grain and ground up together with it, so check what the "mycelium" ingredient actually includes.

2. Amount per Daily Serving

Look for the number of milligrams of lion's mane (powder or extract) per daily serving. If the amount isn't listed, it's hard to compare products.

3. Extraction Method

Extracts may be made with hot water, alcohol, or both ("dual extraction"). Different methods draw out different types of compounds, so a clear description is a good sign.

4. Manufacturing and Testing

• GMP: Good Manufacturing Practice certification shows the factory follows quality-control standards.
• Raw-material testing: Look for brands that explain how raw materials are tested for contaminants such as heavy metals.
• Traceability: Information about where and how the mushroom was grown.