Habit Science & Wellness

The Kasivit Library

Evidence-based articles on nutrition, habits, sleep, mental performance, and the science behind your supplements — written by the Kasivit Editorial Team.

📚 39 articles 🔬 Evidence-based 🎯 5 wellness dimensions
Start reading →
GLP-1 Medications and Muscle Loss: Why Protein and Creatine Matter
Nov 09, 2026 · 9 min read

GLP-1 Medications and Muscle Loss: Why Protein and Creatine Matter

GLP-1 drugs produce dramatic weight loss — but without adequate protein and resistance training, 25–40% of ...

Turmeric and Curcumin: What Studies Found, and the Liver Safety Reports
Oct 26, 2026 · 12 min read

Turmeric and Curcumin: What Studies Found, and the Liver Safety Reports

What a review of randomized arthritis trials and a knee osteoarthritis trial reported for turmeric and curc...

Multivitamins: What the Large Randomized Trials Found
Oct 22, 2026 · 15 min read

Multivitamins: What the Large Randomized Trials Found

What the Physicians' Health Study II and COSMOS trials, and the 2022 USPSTF review, reported about multivit...

CFU vs. Survivability: What Your Probiotic Label Isn't Telling You
Oct 01, 2026 · 21 min read

CFU vs. Survivability: What Your Probiotic Label Isn't Telling You

What CFU counts on a probiotic label do and do not tell you, and what published research says about strains...

VitaNight and Melatonin: What the Research Says About Melatonin Doses
Sep 20, 2026 · 19 min read

VitaNight and Melatonin: What the Research Says About Melatonin Doses

What published research says about melatonin doses, and what the VitaNight label lists, including 2 mg of m...

Omega-3: EPA vs DHA — What's the Difference and Why It Matters
Aug 21, 2026 · 16 min read

Omega-3: EPA vs DHA — What's the Difference and Why It Matters

What EPA and DHA are, what published studies found about them, and safety information. General information,...

Vitamin D3 and Vitamin K2: What the Evidence Says (And How Much You Actually Need)
Jul 09, 2026 · 16 min read

Vitamin D3 and Vitamin K2: What the Evidence Says (And How Much You A...

What studies found about vitamin D3 and vitamin K2, intake levels, and safety information including medicin...

Ashwagandha for Stress and Cortisol: An Evidence Review
Jul 02, 2026 · 21 min read

Ashwagandha for Stress and Cortisol: An Evidence Review

What published trials found about ashwagandha, stress and cortisol, how they were designed, and safety info...

Supplements for Metabolic Health: What the Evidence Shows (2026 Update)
Jun 15, 2026 · 33 min read

Supplements for Metabolic Health: What the Evidence Shows (2026 Update)

What published studies found about supplements discussed for metabolic health, the limits of that research,...

← Newer articlesOlder articles →
Free · 2 Minutes

Ready to find your matched supplements?

Take the free Wellness Quiz and get personalized recommendations based on your habits across all five dimensions.

Take Free Wellness Quiz →