Habit Science & Wellness

The Kasivit Library

Evidence-based articles on nutrition, habits, sleep, mental performance, and the science behind your supplements — written by our physician team.

📚 34 articles 🔬 Physician-reviewed 🎯 5 wellness dimensions
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L-Glutamine and Leaky Gut: What the Evidence Actually Says
📅 Lifestyle Routines
May 09, 2026 · 10 min read

L-Glutamine and Leaky Gut: What the Evidence Actually Says

A physician reviews the actual clinical evidence on L-Glutamine and intestinal permeability — what "leaky ...

Why Magnesium Fixes Sleep Better Than Melatonin
May 07, 2026 · 11 min read

Why Magnesium Fixes Sleep Better Than Melatonin

A physician explains why melatonin doesn't fix most sleep problems — and why magnesium glycinate addresse...

What Supplements Should You Take With Ozempic? The Evidence Explained
📅 Lifestyle Routines
May 05, 2026 · 10 min read

What Supplements Should You Take With Ozempic? The Evidence Explained

A physician explains exactly which supplements GLP-1 users (Ozempic, Wegovy, Mounjaro) should consider —...

Chaga Mushroom: Evidence Review for Immunity & Antioxidant Support
💪 Body Habits
Apr 22, 2026 · 11 min read

Chaga Mushroom: Evidence Review for Immunity & Antioxidant Support

Chaga mushroom has among the highest antioxidant activity of any studied natural substance — but it also ca...

Best Supplements While on Ozempic, Wegovy, or Mounjaro: An Evidence-Based Guide
💪 Body Habits
Apr 20, 2026 · 12 min read

Best Supplements While on Ozempic, Wegovy, or Mounjaro: An Evidence-B...

This article reviews the nutritional supplements with the strongest evidence base for supporting overall we...

Unlocking the Power of Reishi Mushroom: A Scientific Exploration of Health Benefits
🧠 Mind Habits
Apr 20, 2026 · 10 min read

Unlocking the Power of Reishi Mushroom: A Scientific Exploration of H...

Reishi Mushroom (Ganoderma lucidum), often revered as the "Mushroom of Immortality," has been a cornerstone...

The Science Behind Lion's Mane: What the Clinical Evidence Actually Shows
🧠 Mind Habits
Apr 19, 2026 · 9 min read

The Science Behind Lion's Mane: What the Clinical Evidence Actually S...

Discover the evidence-based benefits and safety profile of Lion's Mane mushroom. This comprehensive review ...

NAD+ (Nicotinamide Adenine Dinucleotide) - Comprehensive Review of Safety and Efficacy
📅 Lifestyle Routines
Feb 25, 2026 · 4 min read

NAD+ (Nicotinamide Adenine Dinucleotide) - Comprehensive Review of Sa...

Discover the essential roles of NAD+ in energy metabolism and cellular health. This comprehensive review co...

Quercetin - Comprehensive Review of Safety and Efficacy
💪 Body Habits
Feb 11, 2026 · 4 min read

Quercetin - Comprehensive Review of Safety and Efficacy

Quercetin is a natural flavonoid with promising antioxidant and anti-inflammatory properties. This comprehe...

Top Berberine Benefits for Metabolic and Gut Health
💪 Body Habits
Oct 15, 2025 · 6 min read

Top Berberine Benefits for Metabolic and Gut Health

Discover the top Berberine benefits for metabolism and gut health. Learn how Berberine supports blood sugar...

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