The guide helps explain the product and does not replace professional advice.

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Fruiting body, mycelium and substrate

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A fruiting body is a spore-producing structure; mycelium is a network of fungal filaments. Substrate means the growing medium. These terms describe different things, not a universal quality ranking.

  • Mycelium is not a plant root.
  • Growing medium and harvested fungal material are not synonymous.

What does the label identify?

Separate the organism from its declared part. FDA guidance distinguishes mycelium for US food labeling. Here that document illustrates precise material descriptions; it does not state Israeli labeling requirements. Naming the part helps establish which materials are comparable.

  • The phrase mushroom product does not specify a particular fungal part.

Composition cannot be guessed

Doar and colleagues measured erinacines across Hericium erinaceus tissues and growing conditions. Differences belong to that laboratory comparison. They do not establish that one part is always better, or transfer a lion's mane profile to cordyceps and every commercial batch.

  • This was chemical research, not a test of outcomes in humans.

Useful questions about the material

When grain cultivation is mentioned, ask separately whether grain material remains in the final ingredient. Mycelium alone does not answer that question. Likewise, fruiting body does not replace batch information. The aim is a clear description, not a winner based on terminology.

  • Keep unknown details separate from the explicitly declared composition.
Fungal part

Fruiting body or mycelium.

Substrate

The medium used for growth.

Sources

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