B Vitamins ‘Can Protect You From DNA Damage Caused by Smog’

B Vitamins ‘Can Protect You From DNA Damage Caused by Smog’

A recent scientific study suggests that taking a combination of B vitamins could help protect your DNA from the harmful effects of air pollution and ‘smog’.

The research lead by Dr Jia Zhong, from the Mailman School of Public Health at Columbia University in the US, found that taking a mix of vitamin B6, B12 and folic acid could help ‘completely counteract’ the effect of a very fine particulate matter present in ‘smog’ and other pollutants on epigenetic modification of DNA.

In cities such as Beijing, Hong-Kong and Bangkok, air pollution has reached crisis point; with cases of  asthma and bronchial infections on the rise in recent years.

Amongst he most harmful particulate matter is PM2.5 a complex of polluting gases from diesel and other polluting gases. Traces of PM 2.5 in the lungs can lead to respiratory issues and heart problems over periods of prolonged exposure.

Researchers found that taking the combination of B vitamins consistently for a four week period reduced, and in some cases reversed, genetic damage caused by exposure to PM2.5 by up to 76 per cent.

Over 90% of the global population lives in an area where the air pollution exceeds safety guidelines, according to the World Health Organization. According to the WHO, less than 10mcg of PM2.5 per cubic metre is a ‘healthy’ level of sedentary exposure; on one day in 2016 levels in Beijing exceeded 647mcg.

Why use Vitamin B Complex?


B Vitamins have been shown to contribute to the normal functioning of the nervous system, skin, red blood cells and eyes. Riboflavin contributes to the protection of the body’s cells from oxidative stress. Additionally, B vitamins support the metabolism of energy and iron which help to reduce feelings of tiredness and fatigue.

Sophie Angell

Sophie Angell

Writer and expert

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