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The Journal

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Plain-English writing relevant to Claros customers.

Cognition

The Quiet Cognitive Drift After 40: What's Real, What's Reversible

Most adults notice subtle cognitive changes in their forties. Some are normal aging. Some are entirely reversible. Knowing the difference matters.

April 16, 2025 8 min read
Ingredients

Lion's Mane: What the Research Actually Shows

Lion's Mane has become the headline mushroom of the cognitive-supplement world. Here's what the evidence actually says, separated from the hype.

April 9, 2025 8 min read
Biology

Adaptogens Explained: What They Actually Do (and Don't)

"Adaptogen" is one of the most-used and least-understood words in modern wellness marketing. Here's what it actually means biologically.

April 2, 2025 6 min read
Ingredients

Bacopa Monnieri: The Slow-Burn Memory Compound

Bacopa is one of the few nootropics with replicated trial evidence for memory in healthy adults. The catch: it takes 8-12 weeks of consistent use to express its effects.

March 26, 2025 6 min read
Ingredients

L-Theanine and Coffee: The Combination That Just Works

L-theanine alongside caffeine produces better focus than caffeine alone — calmer, more sustained, less jittery. Here's the simple biochemistry behind one of the most replicable nootropic combinations.

March 19, 2025 5 min read
Lifestyle

Sleep and Cognition: The Lever That Compounds Across Decades

Adults sleeping less than 7 hours per night accumulate measurable cognitive deficits. Adults sleeping enough maintain cognitive function decades longer. The lever is enormous.

March 12, 2025 7 min read
Lifestyle

Exercise and the Brain: How Movement Maintains Cognition

Of all the lifestyle factors that affect cognitive function across decades, regular exercise has the strongest evidence base. Here's the why and the protocol.

March 5, 2025 6 min read
Product

Starting Claros: A Plain-English Guide for the First 12 Weeks

What to expect, when to expect it, and what to do alongside it.

February 26, 2025 5 min read
Ingredients

Cordyceps: The Adaptogen for Sustained Mental Energy

Cordyceps has 2,000 years of traditional use and a modern research base for cellular energy and endurance. Here's what the evidence actually shows.

February 19, 2025 6 min read
Ingredients

Reishi: The Stress-Modulation Mushroom

Reishi has 2,000 years of traditional use as an immune and stress adaptogen. Here's what the modern evidence supports.

February 12, 2025 6 min read
Cognition

Brain Fog: The Reversible Causes Most People Miss

"Brain fog" feels like aging but is often something else entirely. Here's the diagnostic checklist of reversible causes worth ruling out first.

February 5, 2025 6 min read
Nutrition

Omega-3s and the Brain: What the Evidence Actually Says

Omega-3 fish oil has substantial evidence for cognitive maintenance and reduced dementia risk. Most adults don't get enough.

January 29, 2025 6 min read
Tests

Blood Tests Worth Ordering for Cognitive Concerns

Several blood markers are directly relevant to cognitive function in adults. Here's what to ask for and what the results mean.

January 22, 2025 6 min read
Lifestyle

Alcohol and the Brain: The Cumulative Cost Across Decades

Even moderate alcohol intake has measurable cognitive costs over years. The cumulative effect is larger than most adults realize.

January 15, 2025 6 min read
Lifestyle

Continuing to Learn in Midlife: The Most Underrated Cognitive Intervention

Adults who continue actively learning new skills show measurably better cognitive function in their seventies and eighties. The mechanism is brain plasticity, and the protocol is simpler than you'd expect.

January 8, 2025 6 min read

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