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Bad Breath (Halitosis)

Breath with odour can originate from the mouth and gums, or occur because of an underlying health problem. Risk Factors: Poor dental hygiene: Untreated dental caries/Bacteria in the mouth/ Smoking Periodontal (gum) disease. Read our Nutritional guide

What is bad breath?

Breath with odour can originate from the mouth and gums, or occur because of an underlying health problem. Medically, it may be refereed to as halitosis.

Risk factors that may lead to bad breath

Poor dental hygiene

Untreated dental caries

Bacteria in the mouth

Trapped food in the mouth


Chronic dry mouth

Periodontal (gum) disease

Bloodborne halitosis: in which compounds in the bloodstream are carried to the lungs, then diffused across the membrane in the lungs to enter the breath.


Poor digestive health

Poor detoxification [i] [ii]

Tips to help keep bad breath under control

Control sulphur: Routinely use toothpaste or mouthwash containing zinc compounds to help break down odour-causing sulphur chemicals [iv].

Keep an eye on gum health: Brush and floss regularly to keep gums free of food debris.

Scrub the tongue: Brush your tongue or use a tongue scraper regularly to remove odour-causing substances and keep bacteria in check.

Nutritional support for bad breath

Sugar: Focus on eating a balanced diet including foods with high protein and fibre content. Sugar-containing food can cause bacteria to thrive and increase in the mouth. So try to reduce sugar-rich food to improve the breath odour.

Alkalising foods: The consumption of alkalising foods such as raw apples, mint, parsley, and spinach can increase enzyme activities in the body, and naturally deodorise bad bacteria in the mouth [iii].

Supplement advice for bed breath

Zinc - helps to neutralise bad odours in the breath [iv].

Chlorophyll - supports detoxification and the digestive system to help reduce the risk of bad breath [v].

Thyme and clove - possess antimicrobial properties to support digestive and oral health

Ginseng - evidence suggests Korean red ginseng improves bad breath induced by certain types of bacteria, namely H.pylori [vi].

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Please note that the information contained within this website does not and should not replace medical advice, and is not intended to treat or diagnose. We always recommend you consult with your doctor. Our Nutritional Therapy team is highly trained and we offer one to one Nutritional Therapy Consultations, which are designed to be complementary to any medical treatment from a functional medicine approach, as well as offering a preventative & optimal health focus.