The Eight Foods I Eat Every Week to Reprogram My Genes After 50

By Alli · Simply Simpatica · 8 min read

Your genes are not your destiny. Every meal speaks to your DNA. What you put on your plate changes how your genes express themselves, switching longevity genes on and inflammation genes off, or the reverse, depending on what you feed your body.

This is not wellness influencer speak. This is the work of Dr Lucia Aronica, an Adjunct Professor at Stanford University School of Medicine and a world authority in epigenetics and nutrigenomics. She created Stanford's first course in nutritional epigenetics. Her field — nutrigenomics — studies how food, genetics and epigenetics shape our health and longevity. She was featured in the 2024 Netflix documentary You Are What You Eat: A Twin Experiment, which is worth watching.

Her central insight is both simple and revolutionary. You did not choose your genes. But you choose, three times a day, what you say to them.

I did not read a study and change my diet. I have been eating cleanly for decades. I followed my body, and what it asked for, what made it feel alive or heavy, and discovered science had been following my instincts all along. These are the eight foods I eat every week, not because a list told me to, but because my body asked for them.

It turns out Stanford agrees with my body, a validation that made me even more curious about each food's deeper impact.

Bone Broth — The Ancient Healer

I make bone broth or buy a good quality version, and I drink it like tea. It is warm, simple, and deeply nourishing, providing protein, collagen, and minerals. There is something about it that feels like medicine in the most ancient sense of the word.

The science explains why. Bone broth is rich in glycine — a powerful methyl donor in Dr Aronica's epinutrition framework. Methyl donors reprogram gene expression. Glycine donates methyl groups that switch on repair and longevity genes and switch off inflammation. It also supports gut repair, liver detoxification, collagen production and sleep quality — all vital after 50.

If you are only going to add one thing to your diet from this list, start here.

Blueberries — The Brain Berry

A handful of blueberries every day. In my yoghurt, on their own, frozen straight from the freezer on a warm afternoon. Simple and genuinely delicious.

Blueberries contain anthocyanins — among the most studied epinutrients in nutrigenomics research. Anthocyanins simultaneously activate longevity genes and silence inflammation genes. They cross the blood-brain barrier and directly support cognitive function, memory and focus. For women in midlife navigating brain fog and the cognitive effects of declining oestrogen, blueberries are not a nice-to-have. They are essential.

Pomegranate — The Longevity Fruit

Pomegranate seeds are scattered over everything. Salads, yoghurt, just by the spoonful. The jewel-like seeds and the slight tartness, I genuinely love them.

Pomegranate contains ellagic acid, which converts in the gut to urolithin A — a longevity compound currently under study. Urolithin A activates mitophagy, a cellular clean-up process linked to energy, muscle health and longevity. Pomegranate also supports oestrogen production for women in menopause. Its antioxidant content is among the highest of all fruits.

Beetroot — The Detoxifier

Whether roasted, in salads, or juiced, beetroot has an earthiness that I find deeply satisfying. It tastes like something that is genuinely doing something.

Beetroot contains betaine — a methyl donor that directly supports the epigenetic processes Dr Aronica researches. Betaine regulates inflammation at the genetic level and supports liver detoxification, both of which matter more than most people realise. The liver processes hormones, filters toxins, and when overburdened — as in high-stress, high-cortisol environments — it shows up in the skin, the energy, and the face. Beetroot supports the liver quietly and powerfully. It also produces nitric oxide, improving blood flow and providing a natural energy lift without caffeine.

Sardines — The Unglamorous Superfood

Nobody is posting sardines on Instagram or making them look aspirational. Yet the science behind a humble tin of sardines is more impressive than that of most supplements people pay a fortune for.

Sardines are one of the richest sources of omega-3 fatty acids of any food — anti-inflammatory at the genetic level, directly counteracting the inflammatory gene expression that drives cortisol face, menopause, weight gain and accelerated ageing. They are also rich in Vitamin B12 — one of the most critical methyl donors in epigenetic research, and one that most women over 50 are deficient in without knowing it. Add Vitamin D, selenium, calcium from the tiny whole bones, and CoQ10 for cellular energy — and you have one of the most nutrient-dense and affordable foods on the planet sitting in a tin in your pantry.

I eat them on sourdough with lemon and cracked pepper. Unglamorous. Extraordinary.

Chia Seeds — The Daily Non-Negotiable

A tablespoon of chia seeds in everything. Smoothies, yoghurt, overnight oats, water. They have almost no flavour, which makes them the easiest daily non-negotiable I have.

Chia seeds are rich in omega-3 fatty acids — the same anti-inflammatory magic as the sardines, but plant-based and effortlessly added to anything. They are also one of the richest plant sources of calcium, fibre and complete protein. The omega-3 in chia seeds works at the epigenetic level — literally changing the expression of inflammatory genes over time with consistent daily use. This is not a one-week fix. This is a daily conversation with your DNA that compounds over months and years.

Pawpaw — The Enzyme Queen

Fresh pawpaw in season is a genuine pleasure. Eaten simply with lime, it is sweet, fragrant and deeply tropical. I eat it, and nothing else needs to be added.

Pawpaw contains papain — a powerful proteolytic enzyme that supports digestion and reduces systemic inflammation. It is also one of the highest in Vitamin C content, and Vitamin C is directly involved in collagen gene expression. Your skin's ability to produce collagen depends significantly on the availability of Vitamin C. After 50, when collagen production is already declining, a Vitamin C-rich whole food source eaten daily is one of the simplest and most effective things you can do for your skin from the inside out. Pawpaw also contains beta-carotene, folate and Vitamin E — a genuinely extraordinary nutritional profile hiding in a humble tropical fruit.

Eggs — The Complete Food

Every day. Scrambled, poached or boiled. Eggs are the foundation of my morning and have been for years.

Eggs are among the most complete foods, and a key source of choline — a nutrient Dr Aronica highlights as a critical epinutrient that most women are significantly deficient in. Choline supports brain health, liver function and cellular repair at the genetic level. Eggs also provide all nine essential amino acids, Vitamin D, lutein for eye health and B12 for nervous system support. One egg combines choline and complete protein, making it one of the most powerful longevity foods available. And it costs less than fifty cents.

The Closing Conversation

Dr Aronica's work teaches us something transformative. You are not a passive recipient of your genes, but an active participant in gene expression — daily, three times a day, with each meal you eat.

Your genes are listening. Every blueberry, every egg, every humble tin of sardines is part of the conversation.

The Reinvention Tour is not just about how we move, how we think and how we heal emotionally. It is about how we feed ourselves, with the understanding that food is not fuel. Food is information. And the information you give your body after 50 matters more than ever.

Choose what you say carefully. Your DNA is listening. 💛

Next week, we will talk about what you should not be putting in your body and how it can age you. 💛