Concave nails are a sign that your body is sending out nutritional warnings.
If your nails start to thin and concave, resembling a small spoon, this may not be just a cosmetic issue, but a warning sign of iron deficiency. Dr. Berg points out that this "spoon-shaped nail" ( Koilonychia ) is usually associated with insufficient iron in the body, and the real key is often not dietary iron deficiency, but poor absorption .
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The root cause of malabsorption: gastrointestinal problems and low stomach acid.
Dr. Berger emphasizes that the body needs sufficient stomach acid to absorb iron. Many people suffer from chronic iron deficiency because low stomach acid prevents iron from being converted into an absorbable form. He points out that insufficient stomach acid is common in people with heartburn, acid reflux, or indigestion . Furthermore, problems such as intestinal inflammation, ulcers, hemorrhoids, colitis, irritable bowel syndrome ( IBS ), or parasitic infections can also impair nutrient absorption.
Food sources of iron: Plant-based iron is inferior to animal-based iron.
While plants such as beans, spinach, sesame seeds, lentils, and spirulina contain iron, this is "non-heme iron," which has a lower absorption rate. Dr. Berg points out that the most effective source of iron comes from animal-based foods , such as:
- Clams (highest iron content)
- pig liver, sheep kidney
- Oysters, octopus, shellfish
-
Red meat (such as beef)
The heme iron in these foods can directly enter the bloodstream, helping red blood cells carry oxygen and improving fatigue and anemia.
Natural iron supplementation recommendations: fundamentally improve absorption.
In addition to increasing the intake of iron-rich foods, Dr. Berger suggests enhancing absorption through the following methods:
- Increase stomach acid secretion : Consume apple cider vinegar or lemon water in moderation to help restore stomach acidity.
- Protecting the gut and reducing inflammation : Improve the intestinal environment and avoid long-term consumption of processed foods and sugars.
- Consuming liver supplements : Choose liver pills from grass-fed animals, which can naturally supplement iron and B vitamins .
- Avoid excessive calcium or tea intake : these can interfere with iron absorption.
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Health Insights from Fingernails: Small Details Reveal Big Problems
Dr. Berger reminds us that changes in nails are a mirror of the body. When you see nails that are concave or faded in color, you should pay attention to your digestive and nutritional status. Adjusting your diet and improving absorption are key to truly restoring your health.
YouTube source: https://www.youtube.com/watch?v=NfwxC1bvh7M&list=PLlWQQPXW0GbzIXpSEiG6EUMK0r-iyAYJ8&index=29
YouTube Column: Dr. Berger's Chinese Health Knowledge
