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What causes ridges on nails?

The Nails serve as protective structures for our fingertips and play an important role in our overall appearance. While healthy nails are smooth and strong, certain conditions can cause them to develop ridges or grooves. These ridges can be unsightly and may even indicate an underlying health issue.

In our practice, we see ridged on nails as a sign of gut health issues such as low stomach acid, lack of digestive enzymes, malnutrition, thyroid disease and autoimmune conditions. In this article, we will explore the other possible root causes of ridged nails and shed light on potential factors that contribute to this common nail concern.

1. Age:

One of the most common causes of ridged nails is aging. As we grow older, the natural process of nail growth slows down, leading to changes in the nail structure. Vertical ridges, also known as longitudinal ridges, are more commonly associated with aging. These ridges usually appear as fine lines running from the base to the tip of the nail. Along with aging, there is usually low stomach acid, most people can take apple cidar vinegar or Betaine before meals to help solve this problem. Do not take these if you have a history of GI ulcers or bleeding without consulting with your provider first.

2. Nutritional Deficiencies:

Ridges on the nails can be a reflection of nutrient deficiencies in the body. Inadequate intake or malabsorption of essential vitamins and minerals, such as protein, biotin, vitamin C, iron, and zinc, can affect the health of our nails. These nutrients play a crucial role in maintaining strong and smooth nails. Deficiencies in any of these elements may result in the development of ridges and other nail abnormalities. The lack of digestive enzymes contributes to nutrient malabsorption.

It's best to take the digestive enzymes before every meal and if you have had your gallbladder removed, you would need to take this for the rest of your life.

3. Dehydration:

Our nails require proper hydration to remain healthy and resilient. When the body is dehydrated, it can lead to dry and brittle nails, which are more prone to developing ridges. Ensuring adequate hydration by drinking enough water and using moisturizing products can help prevent ridges caused by dehydration. Usial recommendation is to drink half of the body weight in ounces of water.

4. Trauma or Injury:

Physical trauma or injury to the nails can cause the formation of ridges. Accidental impact, excessive pressure, or repetitive trauma (such as nail biting or excessive use of nail tools) can damage the nail bed and disrupt the normal growth process, leading to irregular ridges.

5. Medical Conditions:

Certain medical conditions can manifest in the form of nail abnormalities, including ridges. Conditions such as psoriasis, eczema, lichen planus, and peripheral vascular disease can impact nail health and cause ridges. Consulting a healthcare professional is essential to diagnose and treat any underlying medical conditions contributing to ridged nails.

6. Systemic Disorders:

Ridged nails can sometimes indicate an underlying systemic disorder. Conditions like thyroid dysfunction, autoimmune diseases, and nutritional disorders can affect nail growth and result in ridges. It is crucial to consult a healthcare provider if you notice persistent or sudden changes in your nails along with other symptoms. Angelica Clark PA-C, IFMCP is a certified functional medicine practitioner who treats patients in Waco and Hamilton. Angelica Clark also provides Telemedicine visits to Texas residents. Contact us today! (254) 386-8149


Ridged nails can have various underlying causes, ranging from natural aging to nutritional deficiencies and medical conditions. While some ridges may be benign, it is important to pay attention to persistent or sudden changes in your nails, as they could be indicative of an underlying health concern. Maintaining a balanced diet, staying hydrated, avoiding trauma to the nails, and seeking medical advice when necessary can help in addressing the root causes of ridged nails and promoting overall nail health.

(254) 386-8149

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