You Are What You Eat — Even in Your Mind
- Shivani
- Jul 18
- 3 min read
Updated: 5 days ago
Have you ever noticed that on some days, you are more energetic and motivated, but on other days, you feel dull and lethargic?
But why do you experience that way?
Is it related to what you have eaten? According to nutritional experts like David Katz and Rujuta Diwekar, we are what we eat. Hence, how you feel on a particular day depends on what you have eaten on the previous night and this morning.

In this blog, we have shared important insights on why your mood is dependent on what you eat.
The Science Behind You Are What You Eat — Even in Your Mind
According to modern science, what we eat not only helps our body to function properly but also influences our mood. An emerging field of nutritional psychology studies how food, nutrients, and dietary patterns affect mental health. A plant-based, nutritious diet can influence mental conditions such as Depression, Anxiety, ADHD, Schizophrenia, and Bipolar disorder. According to a cross-sectional study done on the older Australian population, researchers found that a Mediterranean-style diet can help lower levels of anxiety and stress.
Another important aspect is the relationship between the Gut and the brain. This relationship is one of the important discoveries of modern neuroscience. According to this, there is a two-way communication between the gut (digestive system) and the brain (central nervous system). It is a biochemical, hormonal, and immune-based relationship. Gut microorganisms, such as bacteria, fungi, and viruses that are present in the gut, produce neurotransmitters like serotonin, dopamine, and GABA. The interesting fact is that over 90% of the body’s serotonin which is a mood stabilizer is made in the gut, not in the brain. And this hormone is crucial because it not only affects mood, anxiety, and cognition indirectly, but also deals with inflammation and hormone signalling.
Mood Foods: What to Eat for a Happy Mind

Curd (Dahi): Dahi has probiotics, which help to balance gut bacteria and boost serotonin.
Turmeric (Haldi): Haldi has curcumin, which helps to reduce inflammation and increase levels of BDNF (Brain-Derived Neurotrophic Factor).
Pulses & Legumes: They have tryptophan, which helps in serotonin Production and melatonin.
Nuts & Seeds: Nuts & Seeds are rich in omega-3s, and help in reducing symptoms of depression and anxiety.
Indian Fruits: Amla, guava, banana, and papaya contain vitamin C, B6, and antioxidants, which help to reduce stress and improve mood.
Sweet Potatoes & Whole Grains: Rich in fiber, B-vitamins, and slow-digesting carbs that keep energy stable and mood upbeat.
Mood Killers: Foods to Avoid for a Happier Mind
1. Refined sugar (sweets, bakery items)
2. Too much caffeine
3. Fried/junk food (pakoras, chips)
4. Artificial sweeteners and sodas
Ayurvedic Wisdom: What You Eat Shapes Your Energy, Mood, and Mind
In Ayurveda, perfect health is rooted in body, mind, spirit, and social well-being. Food has been regarded as Prana; hence, the quality of your food directly influences your energy and mental state. The food is mainly divided into three categories, which are Sattvic, Rajasic, and Tamasic, and priority is given to Sattvic foods like Fresh fruits, vegetables, whole grains, nuts, and ghee. Because they promote calmness, clarity, and peace. While Rajasic foods include Spicy, fried, processed, stimulants (like coffee). They increase restlessness, aggression, and hyperactivity. And Tamasic Foods like Stale, overly processed, sugary, heavy meat, and alcohol are strictly recommended to avoid as they cause dullness and depression.
Conclusion :
Whether it is from a modern science perspective or Ayurveda, both emphasize that how you feel will depend on what you eat. Hence, start noticing how you feel each day and record your feelings and diet to see the difference. It is a great way to know what works for your body.
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