Best supplements for focus

Essentials: My Core Brain & Vitality Stack (Overview)

Information only (not medical advice). “Evidence” here reflects the overall quality of human research for the
listed effect (not a guarantee of results for everyone).

Supplement Effect (what it’s typically used for) Evidence
CoQ10 / Ubiquinol Cellular energy support (mitochondria); may support fatigue resilience and overall vitality, especially in older adults. Moderate
Omega-3 (DHA / EPA) Brain structure + mood support; supports cardiovascular health and may support attention/mental clarity (especially with low baseline intake). Strong
NAC (N-acetyl cysteine) Glutathione support (antioxidant system); used for oxidative-stress support and researched in several neuropsychiatric contexts. Moderate
L-theanine Calm focus; may reduce “wired” feeling and support attention under stress (often paired with caffeine, but can be used solo). Moderate
Magnesium L-threonate Brain magnesium support; studied for memory/learning support and sleep-quality support (indirectly aiding cognition). Limited–Moderate
ALCAR (Acetyl-L-Carnitine) Mitochondrial energy + mental fatigue support; researched in aging and fatigue-related cognitive complaints. Limited–Moderate
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