Fruiting body extracts come from the mushroom itself and tend to have higher beta-glucan content, while mycelium-on-grain products include the grain substrate, which can dilute potency and add starch. Reputable COAs measure beta-glucans specifically, not just polysaccharides. Many manufacturers on the AJ Cosmo Labs app disclose sourcing so you can match it to your brand's quality positioning.
Read the full guide on private label mushroom supplement manufacturer low moq →