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Mistakes to avoid on a plant-based diet

Mistakes to avoid on a plant-based diet

Transitioning to a plant-based diet isn’t always easy and the first few weeks can be a minefield deciding what you should eat.

As with any type of diet, there are potential downfalls of a plant-based diet but providing you're aware of them, a plant-based diet can be very healthy, nutritious and delicious!  A plant-based diet can improve your energy levels, mental performance and sleep quality, and you have the peace of mind it's helping protect our planet. 

Benefits of a plant-based diet

Plant-based diets can be very rich in essential vitamins, minerals and most other nutrients your body needs to support all your health goals. It is the variety of foods you eat that is important because they all combine to improve their individual and collective benefit.  

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Make sure your diet includes a wide variety of fruits and vegetables, nuts and seeds, legumes, pulses and wholegrains. Most plant foods are good sources of fibre, which supports your digestive health and balances your cholesterol levels.

Learn more in our nutritionists article 'Why you should improve your gut health through your diet'. Our expert nutritionist, Shona, dispels common misconceptions about plant-based diets.

Mistakes to avoid on plant-based diet

While a balanced plant-based diet can provide good sources of most vitamins and minerals, there are a few nutrients that may fall short in even the healthiest plant-based diet, so watch out for the following:

Vitamin B12

Vitamin B12 is found in almost all foods of animal origin and levels tend to be very low or non-existent in plant foods.  Known as 'The Energy Vitamin', Vitamin B12 is essential for creating red-blood cells, digesting proteins and releasing energy from your food, and supporting your nervous system.

The biggest symptom of Vitamin B12 deficiency is fatigue and low immunity.  If you're not eating animal foods, you should consider a Vitamin B12 supplement

Vitamin B12

Vitamin B12


The Iron in animal foods is relatively well absorbed. By contrast, less than 20% of Iron from plants is absorbed by your body.  One of the first signs of Iron deficiency is tiredness and fatigue.  As well as helping maintain energy and reducing tiredness, Iron is essential for healthy brain function and the immune system.  

Learn more in 'Why Iron is so important, particularly for women'. 

Good plant sources of Iron are wholegrains, dried fruits such as figs and apricots, green leafy vegetables, nuts and seeds. 


The best sources of Iodine are white fish, shellfish and dairy, so it is a mineral that can be low in plant-based diets. Iodine is necessary for the normal functioning of the thyroid gland which regulates how your body expends energy, helping your cognitive function and skin health. Learn more in 'Vitamins for an underactive thyroid'. 

If you're following a plant-based diet, the best way to keep your Iodine levels healthy is through using seaweeds in your food, or by taking a vegan Daily Multi-Vitamin supplement.

Daily Multi-Vitamin

Daily Multi-Vitamin


Calcium is an important nutrient for our bone health as well as the health of our teeth and our muscles.

One study, by Oxford University, showed that non-meat eaters are at a higher risk of bone fractures, which may be due to a lower intake of Calcium and Protein in their diet. 

If you are following a plant-based diet and not eating dairy products, ensure you get a good intake of Calcium rich plant foods such as kale, bok choy, broccoli, almonds and oranges, or consider a Bone & Muscle supplement which contains with calcium. 


Zinc, like Magnesium, is a 'Mineral Superhero'. Classed as an 'essential mineral' because it can only be obtained through your diet or vegan supplements, Zinc is involved in hundreds of processes in your body and is vital for our metabolism and immune system.

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The best sources of Zinc are meat and shellfish.  Plant-based sources include wholegrains, beans, lentils, nuts and seeds, however, absorption isn't as good as it is from meat.  To make matters worse, phytates contained in plant foods impair the absorption of Zinc. Learn more in our nutritionists' blog 'Top 6 foods every vegan should eat and why'.

Not all vegan diets are healthy

Some foods vegetarian or vegan foods can actually be heavily processed. They can also be high in salt or sugar. Some “meat” alternatives can also be full of processed ingredients or chemicals. As with any food, make sure you read the label. You may be interested in reading our expert nutritionist's 'Debunking the Biggest Food Myths'.


A plant-based diet can provide you with all the nutrients you need so long as you avoid simple mistakes, follow a varied and healthy diet, plan your meals well, and where necessary consider a high-quality vegan Daily Multi-Vitamin or individual supplements.  

Vegan Essentials Bundle

Vegan Essentials Bundle

Looking for powerful plant-based supplements with zero additives? Explore our range of Vegan & Vegetarian-friendly Supplements

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