Carb Cycling: Does It Actually Work? A CGM Reality Check
Dr. Mukul Mittal walks you through carb cycling — what the evidence shows for endurance athletes, why it…
May 29, 2026
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Find health guides and all information on metabolic health to feed the curious you.
Parasympathetic vs Sympathetic: Activate Your Body’s “Rest & Digest” Mode
Dr. Mukul Mittal, Medical Director at Ultrahuman, walks you through how to look at the parasympathetic ("rest and…
May 29, 2026
What Does the Luteal Phase Feel Like? A Guide to Symptoms, Mood, and Training
We look at what the luteal phase actually feels like. Dr. Mukul Mittal, Medical Director at Ultrahuman, walks…
May 28, 2026
A1C Calculator: What Your Number Really Means
What does your A1C number actually mean? Dr. Mukul Mittal, Medical Director at Ultrahuman, walks through the A1C-to-glucose…
May 28, 2026
Sleeping Heart Rate by Age: 532,000 Ring Users’ Nightly Data Compared
What's a typical sleeping heart rate by age? Ultrahuman analyzed 532,000 Ring AIR users across 78 million nights…
May 28, 2026
Why Is My Period Late? Eight Non-Pregnancy Reasons
May 27, 2026
Is Chick-fil-A Healthy? A Nutrition Guide to Every Menu Item
Is Chick-fil-A healthy? Most online guides focus on calorie count alone, but Mukul Mittal, Medical Director at Ultrahuman,…
May 27, 2026
Glutathione Benefits: The Master Antioxidant Explained
Glutathione benefits are real — but most oral supplements aren't. Mukul Mittal, Medical Director at Ultrahuman, walks through…
May 27, 2026
Period Symptoms — What’s Normal and What’s Concerning
Most period symptoms are normal - but some signal an underlying condition. Mukul Mittal, Medical Director at Ultrahuman,…
May 26, 2026