Biotin is a protien supplement. It will not help much in beard growth. It is useful only as an adjuvant and that also in a small way. In case you still feel the need to have them, you can go for tablet follihair or tablet renocia which are good ones.
Here are the top 10 ways to help your hair grow faster. Eat a healthy diet. Eating a diet rich in protein and vital vitamins and minerals is an essential prerequisite to healthy hair growth. Use castor oil. Massage your scalp. Flip your hair upside down. Stay stress-free. Whip up an egg mask.