The Three Levels of Brain-Care Nutrition
- Difficulty
- Moderate
- Time to result
- ~weeks to results
- Steps
- 7
- Confidence
- —
Swart's staged approach to eating for cognitive performance rather than for weight or muscle. Her framing is that the brain is a tiny proportion of body weight but consumes up to thirty percent of the breakdown products of what you eat: roughly twenty percent while you sleep, about a quarter while focused at work, and up to thirty percent when stressed. So the question shifts from what should I eat to be healthy to what should I eat so I can make the best decisions and solve complex problems today. The levels gate on foundations: healthy meals first, then a time-restricted eating window, then genuine intermittent fasting. At every level the food quality requirement stays the same, and dark-skinned foods rich in anthocyanins do specific work.
Origin
Extracted from Deep Dive with Ali Abdaal
How to run it
- 1
Level one: three healthy meals a day
Mostly plant-based, maybe some fish and eggs, minimal other meat, plus snacks between if you need them. Foods high in water content and good fats: a bit of dairy, fatty fish, nuts, seeds, berries.
Pro tip Hydrating foods like cucumber and melon retain water better than drinking water, which tends to run through.
- 2
Go dark-skinned wherever there's a choice
Blueberries over strawberries or raspberries, purple sprouting broccoli over green, black beans and black chickpeas over cannellini or normal chickpeas, plus aubergine, good quality coffee and dark chocolate over eighty percent cocoa.
Pro tip The anthocyanins in the dark skins are powerful antioxidants that contribute to neurogenesis.
- 3
Check the foundations before you advance
Around seven to eight hours of sleep, enough water, not sedentary, and eating healthily generally. Swart's instruction is blunt: if those aren't in place, don't bother with intermittent fasting.
Pro tip Meditation on top of those is her marker that you're ready for the next level.
Watch out Fasting layered on poor sleep and hydration is the wrong lever.
- 4
Level two: time-restricted eating
She eats only between 12 noon and 8pm, which is essentially a sixteen-hour overnight fast, with benefits she cites for longevity and cancer risk reduction, and once you're used to it, for mental performance.
- 5
Level three: two reduced-calorie days a week
What she calls proper intermittent fasting: two days a week at 500 calories for women and 600 for men, eating normally on the other days.
Watch out The food quality rules from level one still apply on all days, at every level.
- 6
Support neurogenesis with aerobic exercise
Alongside anthocyanin-rich foods, regular aerobic exercise drives neurogenesis. Swart notes cell turnover of around thirteen to fourteen percent with regular exercise, rising to as much as thirty percent when you restart after a break.
Pro tip Falling off and restarting your exercise schedule is a boost, not a failure.
- 7
Supplement only where you know you're short
Her position is that ideally nutrition comes from nutrient-dense organic food, but most people don't eat that way. She supplements vitamin D in winter, magnesium, and a probiotic, and suggests trialling a B complex if you're busy, stressed and fatigued.
Pro tip Expect one to three months to notice a change, depending on how depleted you were.
In the wild
When Swart was travelling heavily for business she was taking ten and sometimes up to twenty bottles of supplements with her. The trips were stressful, she was enduring a lot of jet lag and switching modes between coaching and speaking, and she couldn't eat as healthily as at home, where she grows her own food, eats organic and cooks from scratch daily. That gap made her more aware, not less, of getting the nutrients her brain needed, since stress and travel deplete them fastest.
→ It shaped what she looked for in a single daily formulation, and she pushed for magnesium and a probiotic to be added as separate products alongside it.
Common mistakes
Jumping to fasting before the basics
Swart explicitly gates level two and three behind sleep, hydration, movement and generally healthy eating. Fasting on top of a broken foundation is optimisation applied to the wrong variable.
Eating for your body and ignoring your brain
People ask what to eat to be healthy, lose weight or build muscle, but rarely what to eat so they can solve complex problems or read a team well today, even though the brain takes up to thirty percent of what they consume.
Defaulting to pale greens and salads
Leafy greens and salad are not the same as dark-skinned foods. The anthocyanins that contribute to neurogenesis sit in the skins of darker produce, so the swap from green to purple or black is where the brain benefit is.
From the transcript
“I would say like level one is that you eat three healthy meals a day and and maybe you snack in between if you need…”
“if you're not sleeping around seven to eight hours fifteen a night drinking enough water making sure you're not sedentary don't bother with intermittent fasting…”
“the first level would be time restricted eating so for example I only eat between 12 noon and 8 pm so I'm essentially doing a…”
From the episode
Change Your Brain: The Power Of Neuroplasticity And Braincare - Dr Tara Swart
Dr Tara Swart