Vitamin B12 per Nutritional Deficiency Cognitive Impairment
AA study of 202 people with cognitive impairment and low B12 levels found supplementation improved cognition in 84% of patients and memory/attention scores in 78%. Subclinical low-normal B12 is associated with increased risk of neurodegenerative conditions.
In sintesi
A study of 202 people with cognitive impairment and low B12 levels found supplementation improved cognition in 84% of patients and memory/attention scores in 78%. Subclinical low-normal B12 is associated with increased risk of neurodegenerative conditions.
Key Study Findings
Popolazione: Elderly participants aged 60+ from NHANES 2011-2014
Popolazione: Adult stroke survivors (20 trials + 14 observational)
Popolazione: Adults with vitamin B12 deficiency
Popolazione: Pregnant women (review)
Popolazione: Early Parkinson's disease patients
Popolazione: Older adults and at-risk B12 deficient individuals
Key Statistics
25
Studi
3500
Partecipanti
Positive
Grado
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosaggi di uso comune
- general:
- 2.4 mcg/day (RDA)
- deficiency:
- 1,000-2,000 mcg/day
- cognitivesupport:
- 500-1,000 mcg/day
Limite massimo: No established UL (water-soluble, low toxicity)
Dosaggi studiati nella ricerca
| Dosaggio | Durata | Effetto | N |
|---|---|---|---|
| None | -- | Positive | 2582 |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| Vitamin B12 (measured, not supplemented) | -- | Positive | -- |
| >5 mg/day | -- | Negative | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
Momento migliore per l'assunzione: Morning, on empty stomach for better absorption (sublingual)
Safety & Side Effects
Effetti collaterali segnalati
- ⚠ Generally very well-tolerated
- ⚠ Rare: acne-like eruptions at high doses
- ⚠ Injection site reactions (injectable form)
Interazioni note
- ● Metformin (reduces B12 absorption)
- ● Proton pump inhibitors (reduce B12 absorption)
- ● Colchicine (reduces B12 absorption)
Livello di assunzione massimo tollerabile: No established UL (water-soluble, low toxicity)
Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.
Frequently Asked Questions
Does Vitamin B12 help with Nutritional Deficiency Cognitive Impairment?
How much Vitamin B12 should I take for Nutritional Deficiency Cognitive Impairment?
Are there side effects of Vitamin B12?
How strong is the evidence for Vitamin B12 and Nutritional Deficiency Cognitive Impairment?
Related Evidence
Altri ingredienti per Nutritional Deficiency Cognitive Impairment
Vitamin B12 per altre condizioni
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