Vegan diet: how your body changes from day one

Here's how your body responds after weeks, months and years sticking to a vegan diet.

Vegan diet

Your tastebuds may love a vegan lifestyle, but that's just the tip of the iceberg. Source: Getty Images

Veganism, the plant-based diet which shuns meat and dairy, is having its time in the sun. Since 2008, there has been in the UK alone. stems from is varied, but includes concerns about animal welfare, and religious reasons.
For those who have pursued a diet rich in meat and dairy for most of their lives, embarking on a vegan diet can lead to significant changes within the body.
Many people, though, seek a healthier diet. Research suggests that , if well planned. For those who have pursued a diet rich in meat and dairy for most of their lives, embarking on a vegan diet can lead to significant changes within the body.

The first few weeks

The first thing that someone starting a vegan diet might notice is an energy boost with the removal of the processed meat that is found in many omnivorous diets, in favour of fruit, vegetables and nuts. These foods will boost your vitamin, mineral and fibre levels and thinking ahead about your meals and snacks rather than relying on convenience foods can help sustain consistent energy levels.
As time without animal products grows into weeks, there is likely to be a shift in bowel function either towards a more regular, healthy pattern or an increase in bloating, wind and loose motions. This is due to the higher fibre content of a vegan diet and the simultaneous increase in carbohydrates that ferment in the gut and .

This may settle eventually and could lead in the diversity of the bacteria in the colon, depending on whether a vegan diet is made up of processed food and refined carbohydrates or is well planned and balanced. Although not proven yet, scientists believe that could be beneficial for the whole system, in the same way that as a result of lots of different types of species thriving.

Three to six months later

Several months into a vegan diet and some people may find that the increase in fruit and vegetables and reduced processed food . By this point however, your stores of vitamin D might be dropping as key sources of it in our diet come from meat, fish and dairy, and it isn’t always noticeable until it’s too late. Vitamin D isn’t well understood but it’s and , , and .
This is because vitamin D stores are only thought to last about two months in the body. How long your stores last will depend on the time of year that you decide to go vegan because the body can make vitamin D from sunlight. Making sure you eat or take a supplement is important, especially in the winter months.

Within a few months, a well-balanced vegan diet which is low in salt and processed food may have impressive benefits for cardiovascular health, heart disease, stroke and reducing the risk of diabetes. As the intake of nutrients like iron, zinc and calcium are reduced on a vegan diet, our bodies . The adaptation may be enough to prevent deficiencies in some people but not for everyone, in which case .

From six months to several years on

Approaching a year on a vegan diet, vitamin B12 stores may become depleted. Vitamin B12 is a nutrient that is essential to the healthy functioning of blood and nerve cells and can only be found in animal products. include breathlessness, exhaustion, poor memory and tingling in the hands and feet.
A vitamin B12 deficiency would negate the benefits of a vegan diet for heart disease and stroke risk and can cause permanent nerve and brain damage.
by eating three portions of fortified food per day or taking a supplement, but managing it is very important, as any deficiency would negate the benefits of a vegan diet for and can cause permanent nerve and brain damage.

A few years down the line and even our bones will start to notice the change. Our skeleton is a mineral store and up until the age of 30 we can add minerals to it from our diet, but after that, and so getting enough calcium when we’re young is vital.
It might sound good for you – but is it actually?
You won't be getting your calcium from dairy on a vegan diet, so it's important to look into supplements and fortified foods. Source: Getty Images
After the age of 30, our bodies harvest the calcium from our skeleton for use in the body, and if we don’t replenish the calcium in our blood through our diet, our bones fill the deficit and become brittle as a result.

Vegetables rich in calcium like kale and broccoli may protect bones, but many vegans don’t meet their calcium requirements and there is a when compared to vegetarians and omnivores. and therefore supplements or plenty of fortified foods is recommended.

When contemplating the years ahead on a vegan diet, balance is key. Well-balanced vegan diets may have major health benefits. Many of those benefits can be offset by deficiencies if the diet isn’t managed carefully, but supermarkets and food outlets are making it easier than ever to enjoy a varied and exciting vegan diet and . With the right preparation, a vegan diet can be good for human health.

, ‎Lecturer in Nutrition and Dietetics,

This article is republished from under a Creative Commons license. Read the .

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5 min read
Published 9 November 2018 9:11am
By Sophie Medlin
Source: The Conversation


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