Zenith Within by Sara Redondo, MD, MS

Zenith Within by Sara Redondo, MD, MS

How to Strengthen Your Heart in Just 16 Minutes (Weekly!)

The shortest workout on your calendar might deliver the biggest benefit to your heart

Sara Redondo, MD, MS's avatar
Sara Redondo, MD, MS
Feb 11, 2026
∙ Paid

Get a 1-Minute Health Tip in your inbox from Monday to Friday.

We’ll cover everything—no prescriptions needed (sorry Big Pharma).

Expect practical help for real life: brighter mood, calmer nerves, happiness, mindful eating, blood sugar control, weight loss, intermittent fasting, beating cravings, better sleep, joint-friendly workouts, decoding food labels, gut health…

The sky is the limit.

New Schedule

  • Monday to Friday: a quick, practical tip you can read in a minute (suitable for busy people or busy days), grounded in the most solid and recent evidence.

  • Saturday: a full-length deep dive with a clear takeaway + implementation.

  • Sunday: mouth-watering recipes brought from a Medical Doctor with a Master of Science in Nutrition.

Your upgrade makes this work possible—deep research, careful writing, and practical guidance beyond a system that often fails people. Thank you from the bottom of my heart.

User's avatar

Continue reading this post for free, courtesy of Sara Redondo, MD, MS.

Or purchase a paid subscription.
© 2026 Sara Redondo, MD · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture