Fiber Choice Immune Support Fruity Bites Natural Orange Flavor
Brand: Fiber Choice
Dr. Feb's Analysis
Scientific Mechanism
The primary active ingredient, Vitamin D3 (cholecalciferol), functions at a cellular level by binding to the Vitamin D receptor (VDR) present in most immune cells. This binding regulates the expression of genes involved in immune defense, enhancing the pathogen-fighting ability of monocytes and macrophages while modulating T-cell responses to reduce inflammation. The second key ingredient, Inulin, is a plant-based prebiotic fiber. It passes undigested to the colon, where it selectively ferments and feeds beneficial bacteria like Bifidobacteria. This process produces short-chain fatty acids (SCFAs) that nourish the gut lining, strengthen the intestinal barrier, and systemically support immune function.
Key Benefits
Key benefits include:
- Supports a robust immune system response
- Promotes healthy gut microbiome balance
- Aids in maintaining strong bone health
- Provides a convenient, plant-based fiber source
- Helps reduce minor gas or bloating when dosed correctly
Usage & Safety
The recommended dosage is 2 gummies per serving. For optimal absorption of Vitamin D3, take with a meal containing healthy fats. If minor gas or bloating occurs due to the Inulin, reduce the daily serving. Consult a physician before use if you are pregnant, nursing, have a medical condition, or take medications. Keep out of reach of children; fully chew under adult supervision.


