muscle defense apexlabs apex muscle defense by dr. tracy gapin- hydrolyzed whey protein blend with hmb, leucine, ursolic acid & velositol - supports lean muscle growth, strength & recovery, vanilla - 15 servings is up for auction in Health & Household. The current bid is $3.00, 97% below the $99.95 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.