Fasting Resources & Tools
A curated list of research links, communities, apps, and tools to support your fasting journey. Each resource is shared for convenience and education — not endorsement or medical advice. Always check product labels, verify sources, and consult your doctor before using supplements or starting new fasting tools. Some links may be affiliate, which helps support this site at no extra cost to you.
📚 Experts
Dr Jason Fung
The author of “The Obesity Code” and “The Diabetes Code”
Dr Sten Ekberg
Olympic decathlete & holistic doctor, has a lot of videos of fasting
📖 Real-Life Fasting Journeys
💬 Forums
r/fasting community - https://www.reddit.com/r/fasting/
r/intermittentfasting community - https://www.reddit.com/r/intermittentfasting/
Fasting - Science, Experience & Support group - https://www.facebook.com/groups/fastingsciencesupport
Fasting Center by Andrey Titov - https://www.youtube.com/@Fasting.Center
📱Fasting Apps
Zero
Easy Fast
📊 Fasting Essentials: You don’t need much to fast effectively
Just make sure the electrolytes you use are zero-calorie — otherwise, they’ll break your fast
Ultima Electrolyte Mix
Hydration packets with 6 electrolytes and minerals
Ultima Powder Mix
Same as in packs, but less expensive
LMNT Electrolytes
More electrolytes, specifically more salt, include 10 calories
Brain Forza Electrolytes
Zero sugar, zero sweeteners, zero coloring, zero flavoring
Sherpa Pink Salt
Highest quality food grade Himalayan salt
I found it fascinating to track my ketones and glucose — that way I could see exactly when my body switched fully into fat-burning mode
Keto-Mojo GK+
Tracks glucose + ketones. App-ready and simple.
Keto-Mojo Strips
Combo pack of glucose and ketone strips. GK+ only.
SelfCheck A1C
Track A1C at home in 5 minutes. No lab, no hassle.
I track everything I can, especially body fat, lean tissue, and sleep markers
Withings Smart Scales
High-end, accurate body composition scale
arboleaf Scale
Comprehensive body data analysis, good price
Etekcity Smart Scale
Solid, cost-efficient body composition scale
Withings BPM
Easy to use and convenient blood sugar monitor
Oura Ring Gen 4
Sleep, recovery, and readiness in one smart ring