Arabinogalactan
Fiber
Also known as: Larch Arabinogalactan, Arabinogalactan (from Larch), AG, LAG
B
Grade B💊 1.5-4.5g per day🎯 4 primary uses🔗 3 synergies✅ Generally safe
Levels upNutrition+50 pts
Overview
A prebiotic soluble fiber derived from larch tree bark that supports immune function and gut health by promoting beneficial bacteria growth.
Primary Uses
Immune supportGut healthPrebiotic fiberDigestive support
Frequently Asked About Arabinogalactan
How much Arabinogalactan should I take?
The typical effective range is 1.5-4.5g per day. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Arabinogalactan?
Can be taken any time. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Arabinogalactan with food?
Can be taken with or without food.
What does Arabinogalactan pair well with?
Arabinogalactan stacks well with Probiotics, Other prebiotic fibers, and Vitamin C — these combinations either improve absorption or work synergistically toward common goals.
What are the side effects of Arabinogalactan?
Most people tolerate Arabinogalactan well. The most commonly reported side effects are Initial bloating and Gas (temporary). Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
1.5-4.5g per day
Timing
Can be taken any time
With food
Can be taken with or without food
Duration
Safe for long-term use
Special Populations
Generally safe; start with lower doses if sensitive digestion
Research & Studies
Search the literature now
We haven’t curated landmark studies for Arabinogalactanyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Fermented by gut bacteria to produce short-chain fatty acids (SCFAs)
- • Promotes growth of beneficial Bifidobacteria and Lactobacilli
- • May enhance natural killer (NK) cell activity
- • Supports gut barrier integrity
Evidence Quality
Evidence Grade B
Good evidence for prebiotic effects and immune modulation; more research needed for clinical outcomes.
Safety & Contraindications
Common Side Effects
- • Initial bloating
- • Gas (temporary)
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
No known concerns
Interactions
🧪 Supplements
- • Works synergistically with other prebiotics
Stacking & Synergies
Pairs Well With
Best Goal Synergies
Gut healthImmune support
Buying Guide
What to Look For
- • Specify larch source
- • Third-party tested
Standardization Markers
From Larix species
Adulteration risk
Low
Practical Notes
- • Start with 1g and increase gradually
- • Mix into water or smoothies
Tags
fiberprebioticimmunegut-healthlarch
Top Products with Arabinogalactan
Highest-scored catalog products containing Arabinogalactan, ranked by our scoring engine.
Browse all Arabinogalactan products →
More in Fiber
Other ingredients in the Fiber category.
Acacia Fiber
Gentle prebiotic fiber from acacia gum. Very well-tolerated with slow fermentation and minimal gas.
Apple Pectin
Soluble fiber from apples that supports gut health, cholesterol, and gentle regularity.
Beta-Glucan Fiber
Soluble fiber from oats or mushrooms with immune-modulating and cholesterol-lowering effects.
Flaxseed
Flaxseed oil is a plant-based source of alpha-linolenic acid (ALA), an omega-3 fatty acid with modest evidence for cardiovascular and inflammatory support. Human studies show moderate benefits for cholesterol and blood pressure, though conversion to EPA/DHA is limited.
FOS (Fructooligosaccharides)
Short-chain prebiotic fiber that rapidly feeds bifidobacteria. More gas-producing than longer-chain fibers.
Glucomannan (Konjac)
Highly viscous fiber from konjac root. Strong satiety effects and blood sugar support.
Last reviewed: September 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, September). Arabinogalactan — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/arabinogalactan
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.