Life Stages
Your gut changes with you. So should the advice.
The same five principles apply at every age, but the questions are different at 25, 38, 47, 55, and 68. Find your stage and start there.
Teens & Twenties
Build the Foundation
The microbiome you build now sets the baseline for everything that follows.
What is happening in the gut
Bacterial diversity peaks in early adulthood and then narrows. Every new plant food you add in this decade is an investment you draw on later.
What we focus on
- Diversity of plants over perfection
- Repairing gut damage from antibiotics and ultra-processed years
- Fueling enough, not eating less
- Learning to cook five reliable meals
On the plate: Fiber at every meal, a fermented food most days, protein at breakfast so the afternoon does not fall apart.
Thirties
Fuel a Full Life
Fertility, pregnancy, postpartum, careers, and small humans. Digestion notices all of it.
What is happening in the gut
The gut microbiome shifts measurably through pregnancy and again postpartum, and stress hormones change motility and the gut lining.
What we focus on
- Gut and hormone health through pregnancy and postpartum
- Iron, fiber, and energy under real time pressure
- Stress, cortisol, and the gut-brain axis
- Batch cooking that survives a hard week
On the plate: Prebiotic fiber daily, fermented foods, omega-3s, and meals that reheat without complaint.
Forties & Perimenopause
Steady the Shift
Bloating, new sensitivities, and a body that stopped responding to what always worked.
What is happening in the gut
A cluster of gut bacteria, the estrobolome, helps recycle estrogen. As levels fluctuate, digestion, bloating, and mood often shift together.
What we focus on
- Estrogen, the estrobolome, and why digestion changes
- Protein targets to protect muscle
- Blood sugar steadiness for sleep and mood
- Which symptoms food can help and which need a clinician
On the plate: Thirty grams of protein at breakfast, thirty grams of fiber a day, flax and soy foods, and less late-night eating.
Fifties & Menopause
Protect What Matters
Bone, muscle, heart, and brain all lean on what happens in the gut.
What is happening in the gut
A healthy gut lining improves absorption of calcium, magnesium, and B12 exactly when bone and brain need them most.
What we focus on
- Hot flashes, sleep, and brain fog
- Bone density and calcium absorption
- Cardiovascular risk and soluble fiber
- Weight change without restriction
On the plate: Mediterranean pattern, legumes most days, fermented dairy or alternatives, and strength training alongside the food.
Sixties & Beyond
Thrive Long
Independence is built on digestion, muscle, and appetite. All three respond to food.
What is happening in the gut
Microbiome diversity tends to decline with age, and diverse, fiber-rich eaters show better inflammatory and cognitive markers.
What we focus on
- Protecting muscle with protein spread across the day
- Constipation, hydration, and gentle fiber
- Immune resilience and the gut
- Cooking for one or two without losing joy
On the plate: Protein at all three meals, soft fibrous plants, fluids on a schedule, and food that still tastes like something.
Not sure where you fit
Stages overlap, and that is normal.
Pick the stage that matches your questions, not your birthday. If you want a shortcut, Start Here will hand you a path built around what you are trying to solve.