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Is Vegetarian or Non-Vegetarian food better for your body?

My 60 day experiment and what Science says

7/22/20266 min read

leafy vegetable dish in blue ceramic bowl
leafy vegetable dish in blue ceramic bowl

What Science Says

Modern nutrition research suggests that both vegetarian and non-vegetarian diets can support good health when they are balanced and provide adequate nutrients.

The overall quality of the diet appears to matter more than simply whether it includes meat.

A healthy dietary pattern generally includes:

  • Plenty of vegetables

  • Fruits

  • Whole grains

  • Healthy fats

  • Adequate protein

  • Limited highly processed foods

  • Limited added sugars

Studies have associated diets rich in vegetables, fruits, legumes, nuts, and whole grains with a lower risk of several chronic diseases. Likewise, lean sources of animal protein such as fish and poultry can fit into healthy eating patterns.

In contrast, diets high in processed foods, refined carbohydrates, sugary drinks, and excessive processed meats may increase health risks over time.

Important Nutrients to Consider

Protein

Protein supports muscles, bones, hormones, and body repair.

Vegetarian sources include:

  • Lentils

  • Beans

  • Chickpeas

  • Tofu

  • Greek yogurt

  • Eggs

  • Nuts

Non-vegetarian sources include:

  • Chicken

  • Fish

  • Turkey

  • Eggs

  • Lean beef

Vitamin B12

Vitamin B12 is naturally found mainly in animal foods.

People following vegan diets often need fortified foods or supplements, depending on their individual needs and medical advice.

Iron

Iron is available from both plant and animal foods.

Animal-based iron is generally absorbed more efficiently, while plant sources can be paired with vitamin C-rich foods to improve absorption.

Omega-3 Fatty Acids

Fish is a well-known source of omega-3 fatty acids.

Vegetarian sources include:

  • Walnuts

  • Chia seeds

  • Flaxseeds

Mediterranean Diet

A heart-healthy eating plan inspired by the traditional cuisines of Greece, Italy, and Spain. It emphasizes abundant plant-based foods, healthy fats like extra virgin olive oil, lean proteins like fish and poultry, and limits red meat, added sugars, and processed foods.

https://www.hriuk.org/health/nutrition/what-is-a-mediterranean-diet

Healthy Eating Tips

Healthy eating doesn't have to be complicated. Base your meals on fiber-rich carbohydrates, aim for at least five portions of fruits and vegetables daily, and include lean proteins and healthy fats. To stay on track, follow these actionable tips: https://www.nhs.uk/live-well/eat-well/how-to-eat-a-balanced-diet/eight-tips-for-healthy-eating/

Common Myths

Myth: Vegetarians cannot get enough protein.

A well-planned vegetarian diet can provide enough protein for most people.

Myth: Meat automatically makes you unhealthy.

Lean, minimally processed meat can be part of a balanced diet.

Myth: Vegetarian food is always healthy.

Not necessarily. Vegetarian diets high in sugary snacks, refined carbohydrates, and ultra-processed foods may still be unhealthy.

Myth: One diet is perfect for everyone.

People have different nutritional needs based on age, activity level, health conditions, and personal preferences.

My Biggest Lesson

The biggest lesson from my experiment was that the debate shouldn't be "vegetarian versus non-vegetarian."

Instead, the real question is:

"How healthy is the overall diet?"

Eating plenty of vegetables, choosing whole foods, limiting highly processed foods, and maintaining a balanced lifestyle appeared to have a greater impact than whether my meals included meat.

Which Diet Is Better?

There is no universal answer.

For many people, both vegetarian and non-vegetarian diets can support good health when they are carefully planned.

If your goal is overall health, consider focusing on:

  • Eating more whole foods

  • Including a variety of vegetables and fruits

  • Choosing quality protein sources

  • Limiting ultra-processed foods

  • Staying physically active

  • Getting enough sleep

  • Consulting a registered dietitian or healthcare professional if you have specific nutritional needs

Key Takeaways

  • A balanced diet matters more than choosing vegetarian or non-vegetarian.

  • Whole foods made the biggest difference in how I felt.

  • Planning meals was important on both diets.

  • There isn't a single diet that's right for everyone.

Frequently Asked Questions

Is a vegetarian diet healthier than a non-vegetarian diet?

Not necessarily. The healthfulness of either diet depends on food quality, nutrient balance, and overall lifestyle.

Can I build muscle without eating meat?

Yes. Many people meet their protein needs through dairy, eggs, legumes, soy foods, and other plant-based protein sources, though careful planning may be needed.

Is eating meat every day unhealthy?

It depends on the type and quantity of meat and the rest of your diet. Lean, minimally processed meats can fit into a balanced eating pattern, while high intakes of processed meats are generally discouraged by many health organizations.

Which diet did I prefer?

I found that both approaches had advantages. The experience reinforced that consistency, balance, and overall food quality mattered more than choosing one label over the other.

Final Thoughts

After 60 days, I realised I had been asking the wrong question. Instead of asking whether vegetarian or non-vegetarian food is healthier, I should have been asking whether my overall eating habits were healthy. Fresh vegetables, whole grains, quality protein, regular exercise, and consistency made a much bigger difference than whether there was meat on my plate.

After comparing both ways of eating, I came away with a simple conclusion: there isn't a single "best" diet for everyone.

A healthy body is more likely to benefit from a balanced, nutrient-rich eating pattern than from strict labels such as vegetarian or non-vegetarian. The best choice is one that you can enjoy, sustain over time, and that meets your nutritional needs.

References

Disclaimer:

This article describes one person's experience and general nutrition research. It is not medical advice. Dietary needs vary, so consult a qualified healthcare professional before making significant dietary changes.

Choosing between a vegetarian and a non-vegetarian diet is one of the most debated topics in nutrition. Some people believe eating meat is essential for strength and muscle growth, while others argue that a plant-based diet is healthier and better for long-term wellbeing.

Instead of relying on opinions, I decided to compare both approaches over a period of 60 days. I also reviewed what current nutrition research says about vegetarian and non-vegetarian diets to see whether my experience matched the scientific evidence.

This article shares what I observed during my experiment, what surprised me the most, and what nutrition science tells us about making healthy food choices.

Note: My personal experience is only one example and should not be considered medical advice. Individual results vary depending on age, lifestyle, medical conditions, and overall diet quality.

Why I Decided to Do This Experiment

Like many people, I had heard conflicting advice.

Some friends insisted that meat was necessary for energy and muscle.

Others claimed that eliminating meat would improve digestion, reduce inflammation, and increase energy levels.

Rather than choosing a side, I wanted to see how my body responded while paying close attention to energy, digestion, sleep, mood, hunger, and overall wellbeing.

How I Conducted the Experiment

To make the comparison as fair as possible, I kept several habits consistent throughout the experiment.

  • Similar daily calorie intake

  • Regular walking and light exercise

  • Adequate water intake

  • Similar sleeping schedule

  • Limited processed foods

  • No alcohol

  • Minimal sugary drinks

The experiment consisted of two phases.

Phase One – Vegetarian Diet (30 Days)

For the first month, meals focused on foods such as:

  • Lentils

  • Chickpeas

  • Beans

  • Eggs (if following a lacto-ovo vegetarian diet)

  • Fresh vegetables

  • Fruits

  • Whole grains

  • Nuts and seeds

  • Dairy products

The emphasis was on whole foods rather than highly processed vegetarian alternatives.

Phase Two – Balanced Non-Vegetarian Diet (30 Days)

During the second month, I continued eating vegetables, fruits, legumes, and whole grains but added moderate amounts of:

  • Chicken

  • Fish

  • Eggs

  • Lean meat

Processed meats were avoided whenever possible.

What I Noticed During the Vegetarian Phase

The first week required some adjustment.

I felt hungry more often because many plant foods are naturally lower in calories. I quickly learned that simply removing meat wasn't enough—I needed to replace it with nutritious sources of protein and healthy fats.

By the second week, I noticed:

  • Better digestion

  • Feeling lighter after meals

  • Increased fruit and vegetable intake

  • Less reliance on fast food

However, there were challenges. Preparing balanced vegetarian meals required more planning than I expected. If I skipped protein-rich foods such as beans or lentils, I became hungry again much sooner.

What Changed During the Non-Vegetarian Phase

Adding lean meat and fish made meals feel more filling.

After exercise, I felt it was easier to meet my daily protein goals.

Meal preparation also became simpler because adding grilled chicken or fish to vegetables created a balanced meal with relatively little effort.

However, I also noticed something important. The benefits depended heavily on food choices. Grilled chicken with vegetables made me feel completely different from eating fried fast food.

The type of food mattered much more than whether it was vegetarian or non-vegetarian.

Comparing Both Diets

cooked food on white ceramic plate
cooked food on white ceramic plate
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