Getting Started with Plant-Based Eating

Whether you've been advised by your doctor to eat more plant foods, are concerned about the environmental impact of your food choices, or have come to realise that consuming animal products no longer aligns with your values, changing the way you eat can feel both exciting and overwhelming.

For many people, food is deeply connected to culture, traditions, family recipes, habits and comfort. Making changes can sometimes feel intimidating, especially when social media seems determined to convince us that every food is either a superfood or secretly toxic.

While a blog article can never replace personalised nutrition advice, I hope this guide will help you take your first steps towards a more plant-focused way of eating with confidence.

What does "plant-based" actually mean?

One of the first things that surprises people is that there is no single definition of a plant-based diet.

Plant-based eating exists on a spectrum.

At one end is a fully vegan diet, which excludes all animal-derived products. Vegetarian diets generally allow dairy products, eggs, or both while excluding meat and fish. Other dietary patterns, such as flexitarian and Mediterranean-style diets, place a strong emphasis on plant foods while still including some animal products.

It is also worth noting that in nutrition research, the term plant-based does not always refer to a fully vegan diet. Depending on the study, a plant-based dietary pattern may still include small amounts of animal-derived foods while focusing primarily on vegetables, fruits, legumes, whole grains, nuts and seeds.

There is no single "correct" way to eat more plant-based foods. The best approach depends on your goals, preferences, lifestyle, values and nutritional needs.

Why eat more plant foods?

Higher adherence to healthy plant-based diets is associated with a lower risk of several chronic diseases, including cardiovascular disease and type 2 diabetes. These benefits appear to be strongest when the diet emphasises foods such as vegetables, fruits, legumes and whole grains, rather than simply removing animal foods without much thought about what replaces them. 

Eating more plant foods also tends to support healthier cholesterol levels, blood pressure, body weight and blood sugar control.

One benefit that often receives less attention is the variety of naturally occurring compounds found in plant foods.

Different fruits and vegetables contain different phytochemicals, compounds that contribute to their colour, flavour and aroma. While phytochemicals are not classified as essential nutrients like vitamins and minerals, they are being studied for their potential role in supporting long-term health.

This is one of the reasons I love encouraging people to "eat the rainbow". A colourful plate is not just beautiful to look at. Different colours often reflect different phytochemicals, meaning a greater variety of plant foods may also mean a greater variety of beneficial compounds.

The part most people don't talk about

Plant-based eating is not simply about removing animal products.

What matters most is what replaces them.

A dietary pattern centred around vegetables, legumes, fruits, whole grains, nuts and seeds is very different from one built primarily around highly processed convenience foods, even if both are technically plant-based. This distinction matters because less healthy plant-based patterns are associated with worse health outcomes than healthier plant-based patterns.

The goal is not perfection. It is building an eating pattern that is enjoyable, nourishing and sustainable.

In my experience, people are often more successful when they focus on the foods they are adding rather than on the foods they are giving up. Discovering new ingredients, cuisines and recipes tends to be far more motivating than constantly focusing on restriction.

Nutrients worth paying attention to

Certain nutrients are found in greater amounts in animal-derived foods, which means some planning is important, particularly for people following vegetarian or vegan dietary patterns

Some of the key nutrients nutrition professionals pay close attention to include:

• Vitamin B12

• Iron

• Calcium

• Zinc

• Iodine

• Omega-3 fatty acids

Vitamin B12 deserves special mention because it is a well-recognised nutrient of concern in vegan diets. Anyone following a vegan diet should make sure they have a reliable source of vitamin B12 through fortified foods, supplements, or both.

Iron and omega-3 fatty acids can also need more attention in vegan diets. Non-haem iron is less bioavailable than haem iron, and long-chain omega-3 fats such as EPA and DHA tend to be low in vegetarians and vegans.

This does not mean plant-based eating is difficult or unsafe. It simply means that a little planning can go a long way, and that well-planned vegetarian and vegan diets can support long-term health.

Worried you'll miss out?

Many people assume that eating more plant-based means giving up all their favourite foods.

Thankfully, we're living in a time when there are more options than ever.

Supermarkets now stock a wide range of plant milks, yoghurts, cheeses, meat alternatives and convenience products. Yes, they are processed, but not all processed or ultra-processed foods are created equal. More on this in a later post! Traditional plant proteins such as tofu, tempeh, beans and lentils are also very popular and accessible.

And remember, moving towards a more plant-focused way of eating does not have to happen overnight.

It could be as simple as trying one plant-based meal each week, experimenting with a new recipe, or swapping one ingredient for a plant-based alternative. Small changes can add up over time.

Final thoughts

Plant-based eating does not have to be all or nothing.

Whether your goal is to adopt a fully vegan lifestyle or simply increase the amount of plant foods on your plate, a thoughtful and balanced approach can help you feel confident meeting your nutritional needs while enjoying a wide variety of foods.

And if you've come across social media posts claiming that vegetables are secretly trying to kill you, don't worry. They aren't.

But that's a topic for another article.

References

1. Wang Y, Liu B, Han H, Hu Y, Zhu L, Rimm E, Hu FB, Sun Q. Associations between plant-based dietary patterns and risks of type 2 diabetes, cardiovascular disease, cancer, and mortality: a systematic review and meta-analysis. Nutrition Journal. 2023

2. Gibbs J, Cappuccio F. Common nutritional shortcomings in vegetarians and vegans. Dietetics. 2024

3. Malhotra A, Lakade A. Analytical review on nutritional deficiencies in vegan diets: risks, prevention, and optimal strategies. Journal of the American Nutrition Association. 2025

4. Pawlak R. Vegetarian nutrition practice points. Nutrition Today. 2026

Disclaimer

The information provided in this blog is for your personal or other non-commercial, educational purposes. It should not be considered as medical or professional advice. We recommend you consult with a GP or other healthcare professional before taking or omitting to take any action based on this blog. While the author uses best endeavours to provide accurate and true content, the author makes no guarantees or promises and assumes no liability regarding the accuracy, reliability or completeness of the information presented. The information, opinions, and recommendations presented in this blog are for general information only and any reliance on the information provided in this blog is done at your own risk.