I am a 31 year old woman. my eyes always look tired and my hair is thining out. am i defficient in anything? what food or vitamin do i need more?

Endocrine tests: It is difficult to know without a detailed history, physical examination and lab tests. However, one issue to exclude is low thyroid function. Please see your doctor for a blood test and other evaluation.

Age related ?: People age at different rates. However, to be safe you should see a primary care physician. You should take a multi vitamin every day, if you live in the northern part of uisa you should take supplemental vitamin d. If you southern parts of the usa , reduce sun exposure with hats, sun glasses to reduce the aging affect of the sun.