Best Foods and Supplements for Nervous System Regulation
- Tess Howells

- Mar 11
- 3 min read

If you've ever felt wired, anxious or just completely burnt out, there's a good chance your nervous system is crying out for a little TLC - and what you eat plays a much bigger role in that than most people realise.
The good news? You don't need a compete overhaul.
Small, consistent changes on your plate can make a huge difference to how regulated, calm and resilient you feel throughout the day.
Start With A Strong Food Foundation
When it comes to nervous system health, and the best foods to regulate your nervous system, a Mediterranean-style diet is consistently cited as one of the most effective out there.
Think whole foods, mostly plant-based, plenty of legumes and healthy fats - the kind of diet that reduces inflammation throughout the body.
Research has shown this style of eating can reduce symptoms of anxiety, depression and anger by up to 33%. That's not a small number.
On the flip side, it's worth being mindful of the things that can adversely affect your nervous system too: processed foods, high sugar, alcohol and caffeine - especially on an empty stomach - are all worth cutting back on if you're working to feel more settled.
Hydration matters more than people give it credit for, too, so keeping your water intake consistent throughout the day is a simple but useful habit.
Don't Skip Meals
This one surprises a lot of people.
Fasting or going long stretches without eating can actually spike cortisol, your body's primary stress hormone.
Research suggests eating every three to four hours helps keep cortisol levels more stable, which in turn keeps your nervous system from overreacting.
Breakfast, in particular, deserves a special mention.
Eating within 20 minutes of waking can help reduce your body’s natural morning cortisol spike - and making sure to include healthy carbohydrates also makes a real difference.
Brown rice, oats, buckwheat, legumes and pulses are all brilliant options because they provide steady, slow-release energy rather than the ‘crash and burn’ many people experience with more refined options.
The Best Nutrient-Dense Foods to Regulate Your Nervous System
These are the foods worth prioritising - each for a specific reason:
Omega-3 rich foods like salmon, mackerel, sardines, walnuts, flaxseed and chia seeds are among the most powerful foods you can eat for brain and nerve health. Omega-3s reduce anxiety and help protect the protective coating around your nerves.
Leafy greens and vegetables - spinach, kale, broccoli, asparagus - are all packed with magnesium, which has a genuinely calming effect on the nervous system, along with folate and B vitamins that support healthy neurotransmitter function.
Healthy fats and quality protein - avocado, grass-fed meats, eggs, olive oil - these are your best allies for blood sugar stability, helping avoid energy crashes throughout the day.
Antioxidant-rich foods, particularly berries like blueberries and raspberries, and dark chocolate (70% cacao or above), as they help reduce oxidative stress in the brain.
Fermented foods - yoghurt, kefir, kimchi, sauerkraut - these foods support the gut microbiome, which has a direct line of communication to the brain via the gut-brain axis. A healthier gut directly influences mood and helps reduce activation.
Supplements and Herbs Worth Considering
Food should be your first priority always, but the right supplements can fill in gaps and offer additional support in areas your diet might be lacking.
Magnesium Glycinate is one of the most well-regarded supplements for nervous system regulation. It helps regulate autonomic nervous system arousal and supports better sleep.
B-Complex Vitamins, especially B1, B6 and B12, support nerve cell repair, energy production and neurotransmitter function.
Omega-3 Fatty Acids in supplement form are worth considering if you're not getting enough through food. They support brain function, reduce inflammation and help with mood stabilisation.
Ashwagandha is an adaptogen - meaning it helps the body adapt to stress - and works to lower cortisol and reduce both stress and anxiety.
Vitamin D3 supports mood regulation and nervous system health.
L-Theanine is a particularly interesting one. It promotes parasympathetic relaxation - that rest-and-digest state you want to spend more time in - reducing stress and anxiety without any sedation.
Nourishing your nervous system is about giving your body the essentials it needs to feel safe, steady and well.
So start with one or two changes that feel easy to manage, build from there and notice what changes!
*As always, check with your doctor or health professional for possible interactions or reactions before introducing any new supplements.


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