Since 2007
19 years of continuous editorial operation. Listings audited and re-audited as the directory ages — no stale 2008 records masquerading as live.
Some links on DirJournal are affiliate links. We only recommend verified businesses that clear our 12-point editorial audit standard.
Independent. Human-Curated. Established 2007.
Longevity science, biohacking, precision health and human performance optimization services.
Longevity & Bio-Optimization currently lists 41 entities pending editorial audit.
Verified status arrives after a 12 point audit covering entity ownership, citation consistency across answer engines, schema validity, and operating history.
Ranking weights editorial tier and entity health score across the full listed set. No listings here carry the verification badge yet — they appear in order of editorial signal. Last updated .

Numin is a cognitive supplement brand targeting decision fatigue with a five-ingredient stimulant-free formula designed by neuroscientist Dr. Shawn Watson and co-founded by former Red Bull APAC President Arun Hozack.
Authority Score
Brain Excel Neurofeedback Center in San Diego applies QEEG-based neurofeedback technology to assess cognitive resources and customize brain training programs. The center integrates neurofeedback with yoga therapy, meditation, breath work, and nutrition counseling to address ADHD, anxiety, sleep issues, and peak performance goals for entrepreneurs and athletes.
The Center for BrainHealth at the University of Texas at Dallas is a nonprofit cognitive neuroscience research institute translating brain research into everyday strategies and tools. For over 25 years, the center has advanced brain health science through programs like The BrainHealth Project, where 80 percent of participants experienced meaningful cognitive improvement.
Amen Clinics is a network of brain health centers offering the Peak Brain Performance Program using SPECT brain imaging to analyze blood flow and activity patterns. Based in Costa Mesa, California, the clinics provide personalized cognitive optimization plans combining neuroimaging data with attention, memory, and processing speed assessments for executives and athletes.
The Center for Optimal Brain Health in Houston provides neuropsychological assessment, cognitive rehabilitation, and brain health coaching. Founded by Dr. Holly Carlson Zhao, the practice delivers gold-standard evidence-based testing with comprehensive reports shared across the patient's healthcare team. The center accepts Medicare and most major insurance plans.
Why Trust DirJournal
19 years of continuous editorial operation. Listings audited and re-audited as the directory ages — no stale 2008 records masquerading as live.
Every entry clears a 12-point editorial audit before publication. No pay-to-play ranking — listing position reflects merit, not ad spend.
Schema-validated for ChatGPT, Gemini, and Perplexity. Machine-readable trust signals that AI engines parse and cite with confidence.
Join 41 listed Longevity & Bio-Optimization providers. One payment, lifetime authority.
Secure Your $249.95 Permanent ListingList Your Business
Join 41 listed Longevity & Bio-Optimization providers