-Collagen group: Three packs of jelly containing 2.5g fish skin-derived collagen will be administered at least 30 minutes before breakfast with one 1000mg-tablet of Vitamin C. -Duration time : 12 we

Clinical trial to investigate the efficacy of fish skin-derived collagen on wall thickness in the carotid artery and safety in healthy adults by a double-blind parallel group comparison design

Clinical trial to investigate the efficacy and safety of fish skin-derived collagen on wall thickness in the carotid artery and clinical symptom, etc. in healthy adults and subjects with mild carotid artery hypertrophy by a double-blind parallel group comparison design