B-12 Intrinsic Factor by Progressive Labs
Introduction:
B-12 Intrinsic Factor provides a synergistic blend of folate, methylcobalamin (active B-12), biotin, and intrinsic factor to support healthy red blood cell formation, DNA synthesis, and energy metabolism. This formula features Quatrefolic®, a highly bioavailable form of folate.
Key Benefits:
- Supports healthy homocysteine levels and cardiovascular function
- Promotes energy production and nervous system health
- Contains bioactive B-12 (methylcobalamin) for optimal absorption
- Includes intrinsic factor to support B-12 absorption in the small intestine
How It Works:
This formula delivers activated forms of B vitamins—Quatrefolic® for folate and methylcobalamin for B-12—ensuring maximum bioavailability. Intrinsic factor aids B-12 absorption, especially in individuals with reduced gastric function.
Who Should Use This Product:
Ideal for individuals with B-vitamin deficiencies, those with absorption issues, vegetarians, and anyone needing neurological or energy metabolism support.
Recommendation:
Amount Per Serving:
- Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt – Quatrefolic®) – 800 mcg (200% DV)
- Vitamin B-12 (as methylcobalamin) – 500 mcg (8333% DV)
- Biotin – 300 mcg (100% DV)
- Intrinsic Factor – 20 mg
Other Ingredients:
Not listed on the label. Refer to product packaging for the full list of ingredients.
Additional Information:
Quatrefolic® is a patented form of folate with superior solubility and bioavailability, designed to support methylation and detoxification pathways.
FDA Disclaimer:
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.