do brown fingernails indicate glutathione deficiency Nail changes can reflect underlying hormonal and metabolic disorders. Features like onycholysis suggest hyperthyroidism, while brittle or slow-growing nails point to hypothyroidism. Findings such as koilonychia and thickened nails may systemic Reversible Melanonychia Revealing Nutritional Vitamin-B12
Reversible Melanonychia Revealing Nutritional Vitamin B12 Deficiency PMC Hair, nail, and pigment changes in major systemic disease ScienceDirect The Language of Nails: 10 Signs of Nutritional Deficiencies Your fingernails are more than just a canvas for polish; they are a window into your internal health. Subtle changes in texture, color Hair, Nails, and Skin: Differentiating Cutaneous Manifestations of Micronutrient Deficiency DiBaise 2019 Nutrition in Clinical Practice Wiley Online Library Total melanonychia of 20 nails as a rare manifestation of vitamin B12 deficiency JAAD Case Reports Part 3: Signs of Vitamin Deficiency! White Spots on Nails!
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