Source Naturals Lustre Hair/Skin/Nail Formula, 90 Tablets (Pack of 2)
Vitamins by Source Naturals
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What the brand says
Amino Night(TM) is a potent nighttime amino acid formula. Arginine pyroglutamate is an amino acid compound which when taken in combination with L-lysine HCl in equal quantities of 1200 mg each, has been shown to provide up to 10 times more activity than arginine alone.