Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.
While overall adequate nutrition is important for maintaining healthy fingernails among other things, vitamin B-12 deficiency may be evident in changes to your fingernails. If you notice any changes in your fingernails such as brittleness, discoloration or streaks, speak with your doctor.
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Vitamins are classified as being either water-soluble or fat-soluble. There are four fat-soluble vitamins -- A, D, E and K. Excess fat-soluble vitamins accumulate in your body, while the water-soluble vitamins are excreted. Fat-soluble vitamins are stored in your fat tissues and your liver.
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