25386609
OBJECTIVE	A new , novel product , Cynatine HNS , was evaluated for its effects as a supplement for improving various aspects of hair and nails in a randomized , double-blind , placebo-controlled clinical trial .
METHODS	A total of 50 females were included and randomized into two groups .
METHODS	The active group ( n = 25 ) received 2 capsules containing Cynatine HNS , comprised of Cynatine brand keratin ( 500 mg ) plus vitamins and minerals , per day , and the placebo group ( n = 25 ) received 2 identical capsules of maltodextrin per day for 90 days .
METHODS	End points for hair loss , hair growth , hair strength , amino acid composition , and hair luster were measured .
METHODS	End points were also measured for nail strength and the appearance of nails .
RESULTS	The results show that subjects taking Cynatine HNS showed statistically significant improvements in their hair and nails when compared to placebo .
CONCLUSIONS	Cynatine HNS is an effective supplement for improving hair and nails in 90 days or less .
CONCLUSIONS	EudraCT number is 2014-002645-22 .

