Thank you for your query at AskTheDoctor.com
I understand your concern.
Since you have issues with your fingernails, it indicates vitamin deficiency.
So you can take Biotin 5000 mcg with your normal vitamin supplements.
I will advise a course of Tab. Neurobion Forte once daily which has a good combination of all essential vitamins and micro-nutrients. You can take Neurobion Forte along with the biotin capsules for a month.
Fingernails can also be feeble secondary to fungal infection. Kindly get them examined by your physician. If a fungal infection is confirmed, you can apply Clotrimazole ointment 3 times daily for a week.
Hope this was helpful,
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