What those vertical lines on your nails really reveal
Have you noticed fine vertical lines on your nails? I wonder if this is normal or something we should be concerned about? This detail, often considered unimportant, could actually reveal a lot about what’s going on inside your body. What if these tiny lines were a discreet reflection of your overall balance?
When nails become messengers
Our nails, much more than just supports for nail polish, are linked to several essential functions: blood circulation, the nervous system, metabolism… Sometimes they can reflect imbalances that we don’t notice elsewhere . Dehydration, temporary fatigue , but also signs of deficiencies or prolonged stress : upon closer inspection, these famous vertical ridges deserve more attention.
Iron deficiency: when oxygen circulation is worse
Iron plays a key role in transporting oxygen through red blood cells. A deficiency can affect nail growth and cause ridges to appear. Fatigue, pale complexion, dizziness… there are many signs that can accompany this deficiency. It most commonly affects women with heavy periods or people who eat little meat.
A simple blood test can help you take stock before considering supplementation.
Vitamin B12 deficiency: a valuable ally
Essential for the proper functioning of the nervous system and cellular vitality, vitamin B12 directly affects the condition of your nails. A deficiency can lead to fatigue, concentration problems , and yes, those famous streaks. Vegan diets or certain digestive disorders
may be implicated . Consider fortified foods or appropriate supplements, but always consult a healthcare professional.
Thyroid in slow motion: revealing clues
The thyroid gland influences nail growth and regulates our energy and body temperature. If it acts slowly, nails become dry, brittle, and ridged . Unexplained weight gain, feeling cold, or low energy— all of these signs, when combined, can raise suspicion.
A simple hormone test (TSH, T3, T4) can provide clear answers.
Stress: an often underestimated impact
Chronic stress acts as a silent exhaustor : it depletes nutrient reserves and impairs their absorption . The result? Nails grow more slowly, become ridged, and more brittle. This phenomenon is exacerbated if we tend to bite our nails or neglect our lifestyle .
Take the time to breathe, to breathe, to move… your nails will thank you.
Capricious digestion: altered absorption
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