MemoClear Guide blog
Brain Supplement Science, Explained Honestly
Six original articles on the mechanisms behind circulation nootropics, the side effects worth expecting, the brain fog causes worth ruling out first, and how to evaluate anything in this category.
Explainer
7 min read
Nitric Oxide and Brain Blood Flow: The Science Behind Circulation Nootropics
Why a whole category of brain supplements targets blood vessels instead of neurotransmitters, and how well the underlying science actually supports it.
Comparison
6 min read
L-Arginine vs L-Citrulline: Why Taking Citrulline Raises Arginine Better
A counterintuitive piece of biochemistry that explains why serious circulation formulas include both amino acids rather than just the obvious one.
Explainer
6 min read
The Niacin Flush Explained: Why Your Brain Supplement Makes You Warm
What causes niacin flushing, why it is harmless, how to reduce it, and the upper intake limit worth knowing before you stack supplements.
Investigation
7 min read
Brain Fog: The Causes Worth Ruling Out Before Buying Any Supplement
Brain fog has identifiable and often treatable causes. Before spending on a nootropic, here is the list worth working through first.
Buying Guide
7 min read
How to Evaluate a Brain Supplement: A Seven-Point Checklist
The specific things worth checking before buying any nootropic — from proprietary blends to dosage disclosure to the marketing claims that should raise an eyebrow.
Explainer
7 min read
Sleep and Exercise Beat Every Nootropic — Here's the Evidence Gap
Why the two interventions with the strongest cognitive evidence are free, and how that should shape expectations for any supplement.
General brain health resources
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