Pure Encapsulations Arabinogalactan

Heavy training and travel wear on your gut and your immune system at the same time, whether that's race-week travel, a demanding training block, or just the cumulative load of a full season and lots of fuel. 

Arabinogalactan from Pure Encapsulations feeds your gut's beneficial bacteria while supporting immune cell function, sourced from North American larch trees rather than a synthetic fiber blend.

Feeds the gut bacteria training tends to disrupt – Arabinogalactan is a prebiotic fiber studied for supporting the growth of Lactobacilli and Bifidobacteria, the same beneficial bacteria strains heavy training and travel commonly knock down.

Backs your immune system's first line of defense – Research points to arabinogalactan supporting immune cells and cytokine production, the cell-to-cell signaling your immune response relies on.

Activates a second immune defense pathway – A four-week clinical trial found arabinogalactan also potentiates the complement system, a distinct immune mechanism from the cytokine and gut-microflora effects above.

Arabinogalactan is a fermentable prebiotic fiber concentrated in North American larch trees and also found in echinacea, part of why echinacea has a long history of immune-support use. As a fiber, it ferments in the gut and directly feeds beneficial bacteria like Lactobacilli and Bifidobacteria, while separately supporting the immune cells that make up your body's first line of defense and the cytokines that coordinate their response. This capsule includes a small amount of ascorbyl palmitate, a fat-soluble form of vitamin C commonly used to help preserve the fiber's freshness, though it isn't dosed as a standalone vitamin C supplement here.

How To Use Arabinogalactan

Dose: Take 1 capsule, 3 times daily, between meals.

Travel or race week: This is when gut disruption and immune dips often overlap, so consistent dosing through travel and race week is when this formula's dual gut and immune role matters most.