Blog

GlycoFree Blog: Blood Sugar Science, Guides & Real Insights

Last Updated: April 17, 2026 · Medically Reviewed by Dr. Marcus Chen, MD

Berberine vs Metformin: What the Head-to-Head Research Actually Shows

A peer-reviewed 2008 trial compared berberine directly to metformin for type 2 diabetes. Here's what the results mean for adults considering natural support.

Prevention

Can You Actually Reverse Prediabetes? What Research Says

Up to 70% of prediabetes cases can be reversed with the right approach in the first 6–12 months. Here's the evidence-based playbook.

A1C Guide

How to Lower Your A1C Naturally: The 90-Day Playbook

A1C reflects a 3-month blood sugar average. Meaningful A1C changes require the full 90-day window — here's how to make that window count.

Early Detection

7 Early Signs of Insulin Resistance Most Doctors Miss

Insulin resistance shows up 10–15 years before type 2 diabetes diagnosis. Recognizing the early signs buys you time to reverse it.

Diet Guide

The 10 Most Surprising Foods That Spike Blood Sugar

It's not just candy and soda. These 10 common "healthy" foods cause bigger blood sugar spikes than most people realize.

Energy

Why You Crash Every Afternoon (And How to Fix It)

The 3pm crash isn't about willpower or coffee — it's about glucose dysregulation. Here's what's happening and how to fix it.

Sleep & Metabolism

Blood Sugar and Sleep: The Two-Way Street Most People Ignore

Poor sleep raises blood sugar. Poor blood sugar ruins sleep. Here's how to break the cycle with evidence-based strategies.