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These different supplements help to strengthen your hair and make it shiny. Over time, this can help to nourish the roots of your hair and will give you thicker hair. Consider taking a multivitamin that has all of the supplements in it or take the supplements separately. Follow the dosage instructions on the back of the packet and consult your doctor if you are pregnant or have other health conditions. If possible, take organic vitamin pills, as these will have the highest quality nutrients. Do your best to include plenty of fresh fruit and vegetables in your diet. This helps to ensure that you receive all the vitamins and minerals that you require to keep your hair roots strong and healthy. Where possible, buy organic produce, as this won't contain any harmful pesticides. Visit your local farmers market to buy fresh and affordable produce. Keeping hydrated can make your hair look shiny and helps to prevent weak hair roots. Make an extra effort to drink water when you are exercising or if the weather is hot.  Still water will give you far greater health benefits than sparkling water. Consider using a drink bottle so that you can keep your water nearby all day.

Summary:
Take a vitamin A, B, C, or E supplement to nourish your hair roots. Eat a varied and healthy diet. Drink at least 8 glasses of water a day to help keep your hair strong.