Life Extension Bio-Quercetin immune health supplement heart health support gluten free non-GMO vegetarian 30 capsules
Analysis updated July 2026 · How Scout scores
At a glance
Summary
This supplement features a clean formulation with minimal ingredients, including microcrystalline cellulose and vegetable cellulose, which are generally considered safe. The absence of artificial additives, dyes, or sweeteners contributes to its high rating, making it a well-formulated option for those seeking immune and heart health support.
Key ingredients 4
Microcrystalline CelluloseNeutral
Microcrystalline cellulose is a common filler and binder used in supplements. It is derived from plant cellulose and is generally considered safe for consumption. It does not provide nutritional benefits but helps in the manufacturing process.
See more about Microcrystalline Cellulose →Vegetable CelluloseNeutral
Vegetable cellulose is used to form the capsule shell and is derived from plant sources. It is a suitable option for vegetarians and is considered safe. It does not contribute any nutritional value but is essential for encapsulating the active ingredients.
See more about Vegetable Cellulose →Vegetable StearateNeutral
Vegetable stearate is used as a lubricant in supplement manufacturing to prevent ingredients from sticking to equipment. It is derived from vegetable oils and is generally recognized as safe. It does not provide nutritional benefits but aids in the production process.
SilicaNeutral
Silica is used as an anti-caking agent to prevent clumping in powdered supplements. It is naturally occurring and considered safe in small amounts. It does not offer nutritional benefits but ensures product consistency.
See more about Silica →Processing
Processed Foods
Get the full breakdown in the Scout appTake Scout shopping
Scan any product to see lab results, healthy alternatives, and your personalized analysis.
Download on theApp Store GET IT ONGoogle Play