No, natural supplements cannot "cure" brain fog—a symptom tied to sleep deprivation, stress, diet, or deficiencies—but some may ease it when addressing root causes.
Evidence-Based Helpers
Vitamin D reduces fatigue if deficient, with studies showing cognition gains. Omega-3s (1g EPA/DHA daily) improve focus and memory via brain support.
B-complex (B12, B6, folate) combats fog from low levels, enhancing attention. Magnesium (300mg glycinate) calms nerves for clarity.
L-theanine (200mg, often with caffeine) boosts alertness without jitters.
Realistic Limits
Harvard reviews find weak proof for most "brain boosters"; prioritize sleep, exercise, hydration over pills.
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