B vitamins, such as biotin and niacin, can help support hair growth by supporting cellular energy production and tending to free radicals and promoting healthy hair growth.* Biotin, in particular, appears to help with keratin production.* In one small study, women reported Hair growth when supplemented with biotin (as part of a multi-ingredient supplement) compared to those given a placebo.* In addition, deficiencies are related to loss and breakage.* However, biotin deficiency in the US population it is rare.
You can increase your biotin intake through meat (especially organ meats), fish, eggs, seeds, nuts, and certain vegetables (sweet potatoes, broccoli, and spinach), as well as supplements.
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