Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Dr. Jonathan Pierce integrates clinical psychology with neuroscience to connect mood, motivation, and hormones. He helps men manage stress, low drive, and anxiety, then builds durable habits for focus, resilience, and performance at work and at home.

Start here

New to Dr. Jonathan Pierce, PhD's work? Start with these reader-favorite guides.

Brain fog in men: The best vitamins for brain fog and memory and the supplements that actually make sense

Brain fog in men: The best vitamins for brain fog and memory and the supplements that actually make sense

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Jan 20, 2026 · 12 min read

The most evidence-based vitamins for brain fog and memory in men are B12 (often alongside folate and B6) to correct deficiency and reduce homocysteine, plus vitamin D when status is low, because these pathways support brain energy metabolism, neurotransmitter function, and immune-driven inflammation control. Here’s how to tell when “brain fog” is a fixable signal ...

The science of caffeine free energy drinks: How to boost focus without the crash

The science of caffeine free energy drinks: How to boost focus without the crash

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Jan 10, 2026 · 11 min read

Caffeine-free energy drinks can boost focus without a “crash” by supporting real cellular energy—ATP production in the mitochondria (Krebs cycle) and oxygen/nutrient delivery—rather than blocking brain adenosine receptors, which masks fatigue while adenosine continues to accumulate. Here’s how ingredients like B-vitamins, amino acids, and electrolytes aim to power performance without triggering the cortisol-and-adrenaline stress spike. ...

Is the male midlife crisis real? The science behind the slump

Is the male midlife crisis real? The science behind the slump

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 31, 2025 · 9 min read

A male “midlife crisis” isn’t a DSM-5 diagnosis, but the midlife slump is real: large studies show life satisfaction typically bottoms out around ages 47–48, often colliding with age-related testosterone decline and peak life stress. Here’s what’s happening in the brain and body—and how to navigate the shift with a strategy, not willpower. “We often ...

Can somatic exercises for weight loss actually help men get lean?

Can somatic exercises for weight loss actually help men get lean?

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 27, 2025 · 9 min read

Somatic exercises don’t meaningfully drive fat loss through calorie burn, but they can help men get leaner by shifting the autonomic nervous system from sympathetic “fight-or-flight” to parasympathetic “rest-and-digest,” lowering chronic HPA-axis stress and cortisol — a hormone linked to visceral abdominal fat accumulation in men. If you’re training hard and dieting but your midsection ...

How much deep sleep do you need for recovery and hormone optimization?

How much deep sleep do you need for recovery and hormone optimization?

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 21, 2025 · 9 min read

Deep (Stage 3 NREM) sleep should make up about 13%–23% of your total sleep time—roughly 60–110 minutes per night if you sleep 7–8 hours—for optimal physical recovery and hormone regulation. Because this slow‑wave window drives growth hormone release, supports overnight testosterone production, and powers the brain’s glymphatic “rinse cycle,” you can feel run‑down even when ...

Special OfferLab panels included: $300/year free for all members