Education · From Jonathan Carp, MD
Become your own authority in health.
Three kinds of reads from Jonathan Carp, MD — Lessons for the deep why on blood sugar, fiber, and protein; quick Notes with one idea each; and Recipes built on a base that keeps your line steady. No hype, no hard sell. Just how it works.
Why your blood sugar spikes — and how to keep the line flat
Most meals send you up and then drop you. Here's the simple mechanism behind the spike, and why protein and fiber hold the line steady from the first bite.
Blood Sugar
All blood sugar reads →
The 3pm crash, and the meal that prevents it
The slump isn't about willpower — it's the comedown from a spike you can avoid. Here's the meal that keeps the afternoon level.
Glycation, explained: what a steady line does for you
When blood sugar runs high, sugar binds the protein in your collagen. Keeping the line flat is one of the simplest ways to protect it.
Protein first: one simple rule for a flatter line
Eat your protein before your carbs and the same meal lands softer, because protein slows digestion. A one-sentence habit with an outsized effect.
Your Gut & Fiber
All gut reads →
Soluble vs insoluble fiber: a two-bucket guide
Two kinds of fiber, two different jobs — and one of them is food for the natural bacteria in your gut. The simplest way to tell them apart.
Prebiotic, probiotic, postbiotic — the order that matters
The food, the bacteria, and what they make. Get the sequence right and your whole system runs a little smoother.
A happy gut runs the whole show
When the bacteria in your gut are well-fed, everything downstream — energy, fullness, comfort — tends to run smoother. Here's the why.
From the founder
Participate in your own health.
I don't want you to depend on me. I want you to understand the mechanism — why a steady blood sugar matters, what soluble fiber does for the bacteria in your gut — so you can make your own decisions. That's the whole point of these notes.
Jonathan Carp, MD · Founder & curator · since 2006Eating Lighter
All reads →
Eating less these days? Make every bite count
When you're eating less, the quality of each bite matters more. Build the plate around clean protein and gentle fiber, and a small meal still satisfies.
Give props to propionate: your gut's own satiety signal
Feed the right fiber and the bacteria in your gut make a short-chain fat that supports your body's own fullness signaling. The natural pathway, explained.
Why fullness isn't willpower — it's a system
Satiety isn't a battle you white-knuckle. It's protein, fiber, and a steady blood sugar working together. Set the system and the cravings quiet down.
Notes from Dr. Carp
All notes →Short reads — one idea each, a couple of minutes, structure-function plain. The quick companions to the longer lessons above.
The Two Kinds of Fiber in Your Noodles
Fiber isn’t one thing. It’s two — and only one of them feeds the bacteria living in your gut.
Note · Daily RitualWhy One Bowl a Day
Not a diet. Not a cleanse. A daily habit — because the easiest habit to keep is the one you enjoy eating.
Note · Gut & FiberMeet Glucomannan
The fiber in konjac has a name — and it’s one of the most studied prebiotic fibers there is.
Note · ProteinWhy Egg Whites Are a “Clean” Protein
Ten grams of protein, forty-five calories, three ingredients — protein your body actually recognizes.
Note · Gut & FiberDaily Fiber, Explained
Fiber works on a daily schedule — because the bacteria it feeds are working every day.
Note · Gut & FiberPrebiotic vs. Probiotic
The prebiotic is the food. The probiotic is the bacteria. Skip the food and the rest has less to work with.
Note · Blood SugarWhat a Blood-Sugar Spike Does to Your Energy
The spike isn’t really the problem. The crash that follows it is — and that’s your afternoon slump.
Note · MetabolismMetabolic Flexibility, Explained Simply
A flexible body switches between fuels easily. Steadier meals make that switch easier.
Note · Protein10g Protein. 45 Calories. Three Ingredients.
Three numbers do a lot of work — and together they explain why this is such an easy daily protein.
Note · Mindset“Become Your Own Authority”
The goal isn’t to hand your health to an expert. It’s to understand enough to make your own decisions.
Note · HabitThe Habit Is the Result
You don’t get the outcome and then keep the habit. The habit, repeated, is the outcome.
Recipes
All recipes →
From the doctor, to your inbox
Knowledge that won't smell like marketing.
Mechanism-first notes on blood sugar, fiber, and eating steady — no hype, no noise. A few minutes, a few times a month, from Jonathan Carp, MD.