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.

📚 28 articles 🔬 Physician-reviewed 🎯 5 wellness dimensions
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The GLP-1 Nutrition Gap: What Your Prescription Doesn't Cover
May 30, 2026 · 16 min read

The GLP-1 Nutrition Gap: What Your Prescription Doesn't Cover

GLP-1 medications dramatically suppress appetite — but nutritional needs don't shrink with your appetite. H...

Berberine vs. Metformin: What the Clinical Evidence Actually Shows
May 27, 2026 · 15 min read

Berberine vs. Metformin: What the Clinical Evidence Actually Shows

Berberine and metformin activate the same core metabolic pathway — but differ meaningfully in safety profil...

Magnesium Glycinate vs. Magnesium Oxide: Which One Actually Works?
May 20, 2026 · 12 min read

Magnesium Glycinate vs. Magnesium Oxide: Which One Actually Works?

Not all magnesium supplements are equal. Magnesium oxide — the most common and cheapest form — has only ~4%...

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...

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