It is found that the effect of probiotics in enhancing host resistance to pathogen infections depended on function of B_12 produced by an anaerobic indigenous gut microbe, Cetobacterium, which exhibited the ability to strengthen the interactions within gut mic
Vitamin B12
Glucose and metabolic health markers is closer to a research marker, so it should be read separately from a directly felt benefit.
Representative tier calculated from paper evidence that passed the collection audit.
Main benefit evidence
The representative ingredient tier is calculated from these target-level evidence groups.
Glucose and metabolic health3 studiesTier-BGlucose and metabolic health markersFairly consistent positive signal in studiesResearch marker focusPatient-group studyThis card is closer to a measured biomarker or lab outcome than a directly felt user benefit.Closer to a research marker than a directly felt benefit.Open metrics>
Nutrient status4 studiesTier-CNutrient status markersFairly consistent positive signal in studiesResearch marker focusSupplement contextThis card is closer to a measured biomarker or lab outcome than a directly felt user benefit.Closer to a research marker than a directly felt benefit.Open metrics>
Other research signals1 studiesTier-COther measured outcomesSome positive signal observedFelt benefit focusSupplement contextPotential benefit studied in Other research signals.Open metrics>
Stress and mood1 studiesTier-CStress Response and Sleep ChangesSome positive signal observedFelt benefit focusPatient-group studyThese findings come from stress response, cortisol, anxiety, or sleep outcomes. They may mix felt benefits with physiological markers.Open metrics>
Recent research
10 new papers were added in this period. No new risk signal was identified.
What's new
Most notable recent finding
Key cautions to review
Standalone side-effect signals and combination cautions are listed separately.
Side-effect and combination signals
No standalone side-effect or combination signal is currently clear enough to show from the collected papers. This does not mean there is no concern.
Evidence summaries
Paper IDs and full lists are private. Only study types and summaries are shown.
These randomized trial data from a large cohort of women at high risk of CVD indicate that daily supplementation with folic acid/B6/B12 may reduce the risk of age-related macular degeneration.
The treatment of patients with DN with 1 mg of oral methylcobalamin for twelve months increased plasma B12 levels and improved all neurophysiological parameters, sudomotor function, pain score, and QoL, but it did not improve CARTS and MNSIE.
3 more summariesLimited representative sample by study type.>
Folic acid and vitamin B12 supplementation showed a positive therapeutic effect in AD patients who were not on a folic acid-fortified diet, helping to delineate nutrient intervention as far as public health management for the prevention of dementia is concerne
The B-PROOF study is the first intervention study in which the effect of vitamin B12 and folic acid supplementation on osteoporotic fractures is studied in a general elderly population.
Since the effective quantity of vitamin B12 depends on the stability of the different forms, this work provides a review of their main reactivity and stability under exposure to various environmental factors and explores how the manufacturing process and stora