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Folate für Nutritional Deficiency Cognitive Impairment

B

Critical for homocysteine metabolism and SAM production essential for neurotransmitter synthesis. MTHFR polymorphism carriers may benefit more from methylated forms (5-MTHF).

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B

Fazit

Critical for homocysteine metabolism and SAM production essential for neurotransmitter synthesis. MTHFR polymorphism carriers may benefit more from methylated forms (5-MTHF).

Key Study Findings

Observational Study n=2582
Relationship Between Serum Vitamins and Cognitive Impairment in the Elderly: A Study Based on the …
Dose: None vs.: None Outcome: Cognitive impairment risk Wirkung: OR=0.695 (Vit D); OR=0.777 (FA) p=0.003 (Vit D); p=0.034 (FA)

Population: Elderly participants aged 60+ from NHANES 2011-2014

Cross-Sectional Study n=1966
Folate mediates cognitive impairment of aged people with periodontitis.
Dose: None vs.: Placebo Wirkung: Mediation proportion: dietary supplement folate 8.4%; serum total folate 9.1%; RBC folate 9.1% None
Review
B-vitamins and one-carbon metabolism during pregnancy: health impacts and challenges.
Dose: None vs.: None Outcome: Pregnancy outcomes and offspring neurodevelopment Wirkung: None None

Population: Pregnant women (review)

Meta-Analysis
Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis.
Dose: None vs.: Standard care or placebo Outcome: Global cognition in stroke survivors Wirkung: SMD=0.62 (energy-protein); SMD=-0.40 (B-vitamins) 0.009 (protein); 0.02 (B-vit)

Population: Adult stroke survivors (20 trials + 14 observational)

Other
Fresh Genetic Insights Into Micronutrients Influences on Restless Legs Syndrome Risk.
Dose: None vs.: None Outcome: Causal association of micronutrients with RLS Wirkung: Retinol OR 0.46; Mg OR 0.62 None

Population: European ancestry (7248 RLS cases, 19802 controls)

Randomized Controlled Trial Double-blind
Relationships of B12 and Homocysteine with Outcomes in the SURE-PD, SURE-PD3, and STEADY-PDIII Trials.
Dose: Vitamin B12 (measured, not supplemented) vs.: Within-trial comparison Outcome: B12/homocysteine association with PD outcomes Wirkung: None None

Population: Early Parkinson's disease patients

Key Statistics

10

Studien

1500

Teilnehmer

Positive

B

Bewertung

Referenced Papers

Nutritional neuroscience 2025 1 Zitierungen
Food and nutrition … 2024 19 Zitierungen
Nutrition and health 2021 13 Zitierungen
The Senior care … 2021 2 Zitierungen
Journal of Alzheimer's … 2018 281 Zitierungen
European journal of … 2012 225 Zitierungen
Evidence report/technology assessment 2006
The Cochrane database … 2003 263 Zitierungen
Current opinion in … 1998 30 Zitierungen

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Übliche Dosierungen

general:
400 mcg DFE/day (RDA)
cognitivesupport:
400-800 mcg/day

Obergrenze: 1,000 mcg/day from supplements (may mask B12 deficiency)

In der Forschung untersuchte Dosierungen

Dosierung Dauer Wirkung N
None -- Positive 2582
None -- Positive 1966
None -- Positive --
None -- Mixed --
None -- Mixed --
Vitamin B12 (measured, not supplemented) -- Positive --
None -- Positive --
>5 mg/day -- Negative --

Beste Einnahmezeit: With or without food; morning preferred

Safety & Side Effects

Gemeldete Nebenwirkungen

  • Generally well-tolerated
  • May mask B12 deficiency symptoms
  • Rare: insomnia or irritability at high doses

Bekannte Wechselwirkungen

  • Methotrexate (antagonist — folate reduces efficacy)
  • Anticonvulsants (phenytoin, carbamazepine — mutual interference)
  • Sulfasalazine (reduces folate absorption)

Tolerierbare Höchstaufnahmemenge: 1,000 mcg/day from supplements (may mask B12 deficiency)

Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.

Frequently Asked Questions

Does Folate help with Nutritional Deficiency Cognitive Impairment?
Based on 10 studies with 1,500 participants, there is moderate evidence from clinical studies that Folate may support Nutritional Deficiency Cognitive Impairment management. Our evidence grade is B (Good Evidence).
How much Folate should I take for Nutritional Deficiency Cognitive Impairment?
Studies have used various dosages. A commonly studied range is 400 mcg DFE/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Folate?
Reported side effects may include Generally well-tolerated, May mask B12 deficiency symptoms, Rare: insomnia or irritability at high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Folate and Nutritional Deficiency Cognitive Impairment?
We rate the evidence as Grade B (Good Evidence). This rating is based on 10 peer-reviewed studies with 1,500 total participants. The overall direction of effect is positive.

Related Evidence

Andere Inhaltsstoffe für Nutritional Deficiency Cognitive Impairment

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