By Rowan
Mouth ulcers—also known as canker sores—are small, painful lesions that form inside the mouth, often on the inner cheeks, lips, tongue, or gums. While they're usually harmless and resolve on their own, they can interfere with eating, speaking, and overall comfort. For some people, mouth ulcers occur frequently and may be linked to stress, nutritional deficiencies, or immune responses.
Thankfully, natural supplements can offer gentle support to help reduce the frequency and severity of these frustrating sores.
Below are two evidence-backed supplements that may help manage mouth ulcers and support overall oral health.
L-Lysine
L-lysine is an essential amino acid that plays a critical role in immune function and tissue repair. It's commonly used to reduce the frequency and duration of mouth ulcers, particularly those triggered by stress or viral activity (such as herpes simplex virus).
- Mechanism of action: Inhibits viral replication and supports tissue healing
- Dosage or usage tip: Take 500–1000 mg daily, or as needed during outbreaks
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Vitamin B12
Vitamin B12 deficiency has been linked to recurrent mouth ulcers in some individuals. Supplementing with B12 can help reduce the frequency of ulcers, especially in people with low B12 levels or poor absorption.
- Mechanism of action: Supports red blood cell production and mucosal tissue repair
- Dosage or usage tip: Start with 1,000 mcg daily in sublingual or methylated form
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In Summary
Mouth ulcers may be common, but that doesn’t mean they should be ignored. Supplements like L-lysine and vitamin B12 can support the body’s natural healing process and reduce recurrence. Always consider underlying causes such as nutritional deficiencies, stress, or food sensitivities—and consult with a healthcare provider for a complete evaluation.
This article is for informational purposes only and does not constitute medical advice.