Sourcing a tested material does not change the evidence picture described above trial data still do not transfer to any specific product, and nothing here is a therapeutic recommendation
PMID 16537422
During the daily functioning of your body, glutamine becomes depleted and must be replaced in the food you eat
Archived from the original on 22 October 2020
However, if symptoms become severe or dont get better despite self-care, you should see a doctor especially in cases such as: Severe dryness with deep cracks, chronic peeling, or bleeding Pain when talking or eating, affecting daily life Darkened, hyperpigmented lips from chronic dryness that dont improve with lip balm Suspected underlying conditions such as eczema, diabetes, or a reaction to medications History of radiation therapy to the head and neck, causing persistent dryness Signs of infection: redness, burning, swelling, blisters, or pus Oral health issues such as unusually strong bad breath, frequent tooth decay, or recurrent gum inflammation If left untreated, cracked lips can progress to cheilitis, which may occur when bacteria or fungi enter through open fissures
